Work in progress, incomplete

* Renamed noaa.carrier_pll_cc to noaa.hrpt_pll_cc
* Added nop noaa.hrpt_sync_cc
* Renamed grc apps to use usrp_ prefix and protocol name
* Installed grc generated scripts to path

diff --git a/gr-noaa/grc/Makefile.am b/gr-noaa/grc/Makefile.am
index 18144040d02b564f5f3abbd655dc8ca6a6d82763..c75529778d7868d5f20ae8e3183aecf7da7f7182 100644 (file)
--- a/gr-noaa/grc/Makefile.am
+++ b/gr-noaa/grc/Makefile.am
@@ -22,9 +22,15 @@
 include $(top_srcdir)/Makefile.common
 
 grcblocksdir = $(prefix)/share/gnuradio/grc/blocks
+
+dist_bin_SCRIPTS = \
+       usrp_rx_hrpt.py \
+       usrp_rx_lrit.py
+
 dist_grcblocks_DATA = \
-       noaa_carrier_pll_cc.xml
+       noaa_hrpt_pll_cc.xml \
+       noaa_hrpt_sync_cc.xml
 
 EXTRA_DIST = \
-       rx_goes.grc \
-       rx_poes.grc
+       usrp_rx_hrpt.grc \
+       usrp_rx_lrit.grc

diff --git a/gr-noaa/grc/noaa_carrier_pll_cc.xml b/gr-noaa/grc/noaa_carrier_pll_cc.xml
deleted file mode 100644 (file)
index 7b1fdc8..0000000
--- a/gr-noaa/grc/noaa_carrier_pll_cc.xml
+++ /dev/null
@@ -1,34 +0,0 @@
-<?xml version="1.0"?>
-<block>
-  <name>Carrier PLL</name>
-  <key>noaa_carrier_pll_cc</key>
-  <category>NOAA</category>
-  <import>from gnuradio import noaa</import>
-  <make>noaa.carrier_pll_cc($alpha, $beta, $max_offset)</make>
-  <callback>set_alpha($alpha)</callback>
-  <callback>set_beta($beta)</callback>
-  <callback>set_max_offset($max_offset)</callback>
-  <param>
-    <name>Alpha</name>
-    <key>alpha</key>
-    <type>real</type>
-  </param>
-  <param>
-    <name>Beta</name>
-    <key>beta</key>
-    <type>real</type>
-  </param>
-  <param>
-    <name>Max Offset</name>
-    <key>max_offset</key>
-    <type>real</type>
-  </param>
-  <sink>
-    <name>in</name>
-    <type>complex</type>
-  </sink>
-  <source>
-    <name>out</name>
-    <type>complex</type>
-  </source>
-</block>

diff --git a/gr-noaa/grc/noaa_hrpt_pll_cc.xml b/gr-noaa/grc/noaa_hrpt_pll_cc.xml
new file mode 100644 (file)
index 0000000..e56e0b0
--- /dev/null
+++ b/gr-noaa/grc/noaa_hrpt_pll_cc.xml
@@ -0,0 +1,34 @@
+<?xml version="1.0"?>
+<block>
+  <name>HRPT PLL</name>
+  <key>noaa_hrpt_pll_cc</key>
+  <category>NOAA</category>
+  <import>from gnuradio import noaa</import>
+  <make>noaa.hrpt_pll_cc($alpha, $beta, $max_offset)</make>
+  <callback>set_alpha($alpha)</callback>
+  <callback>set_beta($beta)</callback>
+  <callback>set_max_offset($max_offset)</callback>
+  <param>
+    <name>Alpha</name>
+    <key>alpha</key>
+    <type>real</type>
+  </param>
+  <param>
+    <name>Beta</name>
+    <key>beta</key>
+    <type>real</type>
+  </param>
+  <param>
+    <name>Max Offset</name>
+    <key>max_offset</key>
+    <type>real</type>
+  </param>
+  <sink>
+    <name>in</name>
+    <type>complex</type>
+  </sink>
+  <source>
+    <name>out</name>
+    <type>complex</type>
+  </source>
+</block>

diff --git a/gr-noaa/grc/noaa_hrpt_sync_cc.xml b/gr-noaa/grc/noaa_hrpt_sync_cc.xml
new file mode 100644 (file)
index 0000000..d311aa9
--- /dev/null
+++ b/gr-noaa/grc/noaa_hrpt_sync_cc.xml
@@ -0,0 +1,39 @@
+<?xml version="1.0"?>
+<block>
+  <name>HRPT SYNC</name>
+  <key>noaa_hrpt_sync_cc</key>
+  <category>NOAA</category>
+  <import>from gnuradio import noaa</import>
+  <make>noaa.hrpt_sync_cc($alpha, $beta, $sps, $max_offset)</make>
+  <callback>set_alpha($alpha)</callback>
+  <callback>set_beta($beta)</callback>
+  <callback>set_max_offset($max_offset)</callback>
+  <param>
+    <name>Alpha</name>
+    <key>alpha</key>
+    <type>real</type>
+  </param>
+  <param>
+    <name>Beta</name>
+    <key>beta</key>
+    <type>real</type>
+  </param>
+  <param>
+    <name>Samples/Symbol</name>
+    <key>sps</key>
+    <type>real</type>
+  </param>
+  <param>
+    <name>Max Offset</name>
+    <key>max_offset</key>
+    <type>real</type>
+  </param>
+  <sink>
+    <name>in</name>
+    <type>complex</type>
+  </sink>
+  <source>
+    <name>out</name>
+    <type>complex</type>
+  </source>
+</block>

diff --git a/gr-noaa/grc/rx_goes.grc b/gr-noaa/grc/rx_goes.grc
deleted file mode 100755 (executable)
index ebd21da..0000000
--- a/gr-noaa/grc/rx_goes.grc
+++ /dev/null
@@ -1,1454 +0,0 @@
-<?xml version='1.0' encoding='ASCII'?>
-<flow_graph>
-  <timestamp>Sat Aug  1 22:58:41 2009</timestamp>
-  <block>
-    <key>options</key>
-    <param>
-      <key>id</key>
-      <value>rx_goes</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>title</key>
-      <value>USRP GOES Receiver</value>
-    </param>
-    <param>
-      <key>author</key>
-      <value></value>
-    </param>
-    <param>
-      <key>description</key>
-      <value></value>
-    </param>
-    <param>
-      <key>window_size</key>
-      <value>4095, 4095</value>
-    </param>
-    <param>
-      <key>generate_options</key>
-      <value>wx_gui</value>
-    </param>
-    <param>
-      <key>category</key>
-      <value>Custom</value>
-    </param>
-    <param>
-      <key>run</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>realtime_scheduling</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(10, 10)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable</key>
-    <param>
-      <key>id</key>
-      <value>samp_rate</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>64e6/decim</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(10, 81)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable</key>
-    <param>
-      <key>id</key>
-      <value>symbol_rate</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>293e3</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(11, 148)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable</key>
-    <param>
-      <key>id</key>
-      <value>sps</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>samp_rate/symbol_rate</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(12, 214)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable_slider</key>
-    <param>
-      <key>id</key>
-      <value>gain</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>label</key>
-      <value>Gain</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>saved_gain</value>
-    </param>
-    <param>
-      <key>min</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>max</key>
-      <value>115</value>
-    </param>
-    <param>
-      <key>num_steps</key>
-      <value>115</value>
-    </param>
-    <param>
-      <key>style</key>
-      <value>wx.SL_HORIZONTAL</value>
-    </param>
-    <param>
-      <key>converver</key>
-      <value>float_converter</value>
-    </param>
-    <param>
-      <key>grid_pos</key>
-      <value>0, 1, 1, 1</value>
-    </param>
-    <param>
-      <key>notebook</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(392, 12)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable_config</key>
-    <param>
-      <key>id</key>
-      <value>saved_gain</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>33</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>real</value>
-    </param>
-    <param>
-      <key>config_file</key>
-      <value>rx_goes.cfg</value>
-    </param>
-    <param>
-      <key>section</key>
-      <value>main</value>
-    </param>
-    <param>
-      <key>option</key>
-      <value>gain</value>
-    </param>
-    <param>
-      <key>writeback</key>
-      <value>gain</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(392, 163)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable_config</key>
-    <param>
-      <key>id</key>
-      <value>saved_gain_mu</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>0.005</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>real</value>
-    </param>
-    <param>
-      <key>config_file</key>
-      <value>rx_goes.cfg</value>
-    </param>
-    <param>
-      <key>section</key>
-      <value>main</value>
-    </param>
-    <param>
-      <key>option</key>
-      <value>gain_mu</value>
-    </param>
-    <param>
-      <key>writeback</key>
-      <value>gain_mu</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(835, 162)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable_config</key>
-    <param>
-      <key>id</key>
-      <value>saved_costas_alpha</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>0.005</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>real</value>
-    </param>
-    <param>
-      <key>config_file</key>
-      <value>rx_goes.cfg</value>
-    </param>
-    <param>
-      <key>section</key>
-      <value>main</value>
-    </param>
-    <param>
-      <key>option</key>
-      <value>costas_alpha</value>
-    </param>
-    <param>
-      <key>writeback</key>
-      <value>costas_alpha</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(688, 162)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable_slider</key>
-    <param>
-      <key>id</key>
-      <value>gain_mu</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>label</key>
-      <value>Gain Mu</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>saved_gain_mu</value>
-    </param>
-    <param>
-      <key>min</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>max</key>
-      <value>0.5</value>
-    </param>
-    <param>
-      <key>num_steps</key>
-      <value>100</value>
-    </param>
-    <param>
-      <key>style</key>
-      <value>wx.SL_HORIZONTAL</value>
-    </param>
-    <param>
-      <key>converver</key>
-      <value>float_converter</value>
-    </param>
-    <param>
-      <key>grid_pos</key>
-      <value>1, 1, 1, 1</value>
-    </param>
-    <param>
-      <key>notebook</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(833, 14)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable_slider</key>
-    <param>
-      <key>id</key>
-      <value>costas_alpha</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>label</key>
-      <value>Costas Alpha</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>saved_costas_alpha</value>
-    </param>
-    <param>
-      <key>min</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>max</key>
-      <value>0.5</value>
-    </param>
-    <param>
-      <key>num_steps</key>
-      <value>100</value>
-    </param>
-    <param>
-      <key>style</key>
-      <value>wx.SL_HORIZONTAL</value>
-    </param>
-    <param>
-      <key>converver</key>
-      <value>float_converter</value>
-    </param>
-    <param>
-      <key>grid_pos</key>
-      <value>1, 0, 1, 1</value>
-    </param>
-    <param>
-      <key>notebook</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(688, 13)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable_slider</key>
-    <param>
-      <key>id</key>
-      <value>freq</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>label</key>
-      <value>Frequency</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>saved_freq</value>
-    </param>
-    <param>
-      <key>min</key>
-      <value>135e6</value>
-    </param>
-    <param>
-      <key>max</key>
-      <value>139e6</value>
-    </param>
-    <param>
-      <key>num_steps</key>
-      <value>400</value>
-    </param>
-    <param>
-      <key>style</key>
-      <value>wx.SL_HORIZONTAL</value>
-    </param>
-    <param>
-      <key>converver</key>
-      <value>float_converter</value>
-    </param>
-    <param>
-      <key>grid_pos</key>
-      <value>0, 2, 1, 1</value>
-    </param>
-    <param>
-      <key>notebook</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(540, 13)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable_config</key>
-    <param>
-      <key>id</key>
-      <value>saved_freq</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>137e6</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>real</value>
-    </param>
-    <param>
-      <key>config_file</key>
-      <value>rx_goes.cfg</value>
-    </param>
-    <param>
-      <key>section</key>
-      <value>main</value>
-    </param>
-    <param>
-      <key>option</key>
-      <value>freq</value>
-    </param>
-    <param>
-      <key>writeback</key>
-      <value>freq</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(541, 162)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable_config</key>
-    <param>
-      <key>id</key>
-      <value>saved_decim</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>160</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>int</value>
-    </param>
-    <param>
-      <key>config_file</key>
-      <value>rx_goes.cfg</value>
-    </param>
-    <param>
-      <key>section</key>
-      <value>main</value>
-    </param>
-    <param>
-      <key>option</key>
-      <value>decim</value>
-    </param>
-    <param>
-      <key>writeback</key>
-      <value>decim</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(245, 161)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable_text_box</key>
-    <param>
-      <key>id</key>
-      <value>decim</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>label</key>
-      <value>Decim</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>saved_decim</value>
-    </param>
-    <param>
-      <key>converver</key>
-      <value>int_converter</value>
-    </param>
-    <param>
-      <key>formatter</key>
-      <value>None</value>
-    </param>
-    <param>
-      <key>grid_pos</key>
-      <value>0, 0, 1, 1</value>
-    </param>
-    <param>
-      <key>notebook</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(243, 13)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>notebook</key>
-    <param>
-      <key>id</key>
-      <value>displays</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>style</key>
-      <value>wx.NB_TOP</value>
-    </param>
-    <param>
-      <key>labels</key>
-      <value>['USRP RX', 'Costas Output']</value>
-    </param>
-    <param>
-      <key>grid_pos</key>
-      <value>2, 0, 1, 3</value>
-    </param>
-    <param>
-      <key>notebook</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(12, 287)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>wxgui_scopesink2</key>
-    <param>
-      <key>id</key>
-      <value>wxgui_scopesink2_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>complex</value>
-    </param>
-    <param>
-      <key>title</key>
-      <value>Waveform</value>
-    </param>
-    <param>
-      <key>samp_rate</key>
-      <value>samp_rate</value>
-    </param>
-    <param>
-      <key>v_scale</key>
-      <value>0.5</value>
-    </param>
-    <param>
-      <key>t_scale</key>
-      <value>20.0/samp_rate</value>
-    </param>
-    <param>
-      <key>ac_couple</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>xy_mode</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>num_inputs</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>grid_pos</key>
-      <value>1, 0, 1, 1</value>
-    </param>
-    <param>
-      <key>notebook</key>
-      <value>displays, 0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(434, 551)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>gr_agc_xx</key>
-    <param>
-      <key>id</key>
-      <value>gr_agc_xx_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>complex</value>
-    </param>
-    <param>
-      <key>rate</key>
-      <value>1e-6</value>
-    </param>
-    <param>
-      <key>reference</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>gain</key>
-      <value>1.0/32767.0</value>
-    </param>
-    <param>
-      <key>max_gain</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(261, 493)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>root_raised_cosine_filter</key>
-    <param>
-      <key>id</key>
-      <value>root_raised_cosine_filter_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>fir_filter_ccf</value>
-    </param>
-    <param>
-      <key>decim</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>interp</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>gain</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>samp_rate</key>
-      <value>samp_rate</value>
-    </param>
-    <param>
-      <key>sym_rate</key>
-      <value>symbol_rate</value>
-    </param>
-    <param>
-      <key>alpha</key>
-      <value>0.5</value>
-    </param>
-    <param>
-      <key>ntaps</key>
-      <value>50</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(618, 373)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>usrp_simple_source_x</key>
-    <param>
-      <key>id</key>
-      <value>usrp_simple_source_x_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>complex</value>
-    </param>
-    <param>
-      <key>format</key>
-      <value></value>
-    </param>
-    <param>
-      <key>which</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>decimation</key>
-      <value>decim</value>
-    </param>
-    <param>
-      <key>frequency</key>
-      <value>freq</value>
-    </param>
-    <param>
-      <key>lo_offset</key>
-      <value>float('inf')</value>
-    </param>
-    <param>
-      <key>gain</key>
-      <value>gain</value>
-    </param>
-    <param>
-      <key>side</key>
-      <value>B</value>
-    </param>
-    <param>
-      <key>rx_ant</key>
-      <value>RXA</value>
-    </param>
-    <param>
-      <key>hb_filters</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(11, 477)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>wxgui_fftsink2</key>
-    <param>
-      <key>id</key>
-      <value>wxgui_fftsink2_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>complex</value>
-    </param>
-    <param>
-      <key>title</key>
-      <value>Spectrum</value>
-    </param>
-    <param>
-      <key>samp_rate</key>
-      <value>samp_rate</value>
-    </param>
-    <param>
-      <key>baseband_freq</key>
-      <value>freq</value>
-    </param>
-    <param>
-      <key>y_per_div</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>y_divs</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>ref_level</key>
-      <value>50</value>
-    </param>
-    <param>
-      <key>fft_size</key>
-      <value>1024</value>
-    </param>
-    <param>
-      <key>fft_rate</key>
-      <value>30</value>
-    </param>
-    <param>
-      <key>peak_hold</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>average</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>avg_alpha</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>grid_pos</key>
-      <value>0, 0, 1, 1</value>
-    </param>
-    <param>
-      <key>notebook</key>
-      <value>displays, 0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(434, 337)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>gr_throttle</key>
-    <param>
-      <key>id</key>
-      <value>gr_throttle_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>complex</value>
-    </param>
-    <param>
-      <key>samples_per_second</key>
-      <value>samp_rate</value>
-    </param>
-    <param>
-      <key>vlen</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(181, 663)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>wxgui_scopesink2</key>
-    <param>
-      <key>id</key>
-      <value>wxgui_scopesink2_1</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>complex</value>
-    </param>
-    <param>
-      <key>title</key>
-      <value>Scope Plot</value>
-    </param>
-    <param>
-      <key>samp_rate</key>
-      <value>samp_rate</value>
-    </param>
-    <param>
-      <key>v_scale</key>
-      <value>0.4</value>
-    </param>
-    <param>
-      <key>t_scale</key>
-      <value>20.0/samp_rate</value>
-    </param>
-    <param>
-      <key>ac_couple</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>xy_mode</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>num_inputs</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>grid_pos</key>
-      <value>0, 0, 1, 1</value>
-    </param>
-    <param>
-      <key>notebook</key>
-      <value>displays, 1</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(1126, 251)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>gr_probe_mpsk_snr_c</key>
-    <param>
-      <key>id</key>
-      <value>gr_probe_mpsk_snr_c_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>snr</value>
-    </param>
-    <param>
-      <key>alpha</key>
-      <value>0.0001</value>
-    </param>
-    <param>
-      <key>probe_rate</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(1126, 723)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>wxgui_numbersink2</key>
-    <param>
-      <key>id</key>
-      <value>wxgui_numbersink2_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>float</value>
-    </param>
-    <param>
-      <key>title</key>
-      <value>SNR</value>
-    </param>
-    <param>
-      <key>units</key>
-      <value>dB</value>
-    </param>
-    <param>
-      <key>samp_rate</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>min_value</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>max_value</key>
-      <value>30</value>
-    </param>
-    <param>
-      <key>factor</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>decimal_places</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>ref_level</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>number_rate</key>
-      <value>10</value>
-    </param>
-    <param>
-      <key>peak_hold</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>average</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>avg_alpha</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>show_gauge</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>grid_pos</key>
-      <value>2, 0, 1, 1</value>
-    </param>
-    <param>
-      <key>notebook</key>
-      <value>displays, 1</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(1335, 651)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>gr_mpsk_receiver_cc</key>
-    <param>
-      <key>id</key>
-      <value>gr_mpsk_receiver_cc_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>M</key>
-      <value>2</value>
-    </param>
-    <param>
-      <key>theta</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>alpha</key>
-      <value>costas_alpha</value>
-    </param>
-    <param>
-      <key>beta</key>
-      <value>costas_alpha*costas_alpha/4.0</value>
-    </param>
-    <param>
-      <key>fmin</key>
-      <value>-0.05</value>
-    </param>
-    <param>
-      <key>fmax</key>
-      <value>0.05</value>
-    </param>
-    <param>
-      <key>mu</key>
-      <value>0.5</value>
-    </param>
-    <param>
-      <key>gain_mu</key>
-      <value>gain_mu</value>
-    </param>
-    <param>
-      <key>omega</key>
-      <value>sps</value>
-    </param>
-    <param>
-      <key>gain_omega</key>
-      <value>gain_mu*gain_mu/4.0</value>
-    </param>
-    <param>
-      <key>omega_relative_limit</key>
-      <value>0.05</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(881, 437)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>gr_complex_to_real</key>
-    <param>
-      <key>id</key>
-      <value>gr_complex_to_real_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>vlen</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(1133, 521)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>gr_char_to_float</key>
-    <param>
-      <key>id</key>
-      <value>gr_char_to_float_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(1523, 521)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>gr_binary_slicer_fb</key>
-    <param>
-      <key>id</key>
-      <value>gr_binary_slicer_fb_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(1343, 521)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>gr_add_const_vxx</key>
-    <param>
-      <key>id</key>
-      <value>gr_add_const_vxx_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>float</value>
-    </param>
-    <param>
-      <key>const</key>
-      <value>48.0</value>
-    </param>
-    <param>
-      <key>vlen</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(1707, 517)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>gr_float_to_char</key>
-    <param>
-      <key>id</key>
-      <value>gr_float_to_char_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(1878, 521)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>gr_file_sink</key>
-    <param>
-      <key>id</key>
-      <value>gr_file_sink_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>file</key>
-      <value>bits.dat</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>byte</value>
-    </param>
-    <param>
-      <key>vlen</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(2059, 517)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>gr_file_source</key>
-    <param>
-      <key>id</key>
-      <value>gr_file_source_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>file</key>
-      <value>lrit.dat</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>complex</value>
-    </param>
-    <param>
-      <key>repeat</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>vlen</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(11, 655)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <connection>
-    <source_block_id>usrp_simple_source_x_0</source_block_id>
-    <sink_block_id>gr_agc_xx_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>gr_agc_xx_0</source_block_id>
-    <sink_block_id>wxgui_scopesink2_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>gr_file_source_0</source_block_id>
-    <sink_block_id>gr_throttle_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>gr_throttle_0</source_block_id>
-    <sink_block_id>gr_agc_xx_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>gr_probe_mpsk_snr_c_0</source_block_id>
-    <sink_block_id>wxgui_numbersink2_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>gr_mpsk_receiver_cc_0</source_block_id>
-    <sink_block_id>gr_probe_mpsk_snr_c_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>gr_agc_xx_0</source_block_id>
-    <sink_block_id>gr_mpsk_receiver_cc_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>gr_mpsk_receiver_cc_0</source_block_id>
-    <sink_block_id>wxgui_scopesink2_1</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>gr_agc_xx_0</source_block_id>
-    <sink_block_id>wxgui_fftsink2_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>gr_mpsk_receiver_cc_0</source_block_id>
-    <sink_block_id>gr_complex_to_real_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>gr_complex_to_real_0</source_block_id>
-    <sink_block_id>gr_binary_slicer_fb_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>gr_binary_slicer_fb_0</source_block_id>
-    <sink_block_id>gr_char_to_float_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>gr_char_to_float_0</source_block_id>
-    <sink_block_id>gr_add_const_vxx_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>gr_add_const_vxx_0</source_block_id>
-    <sink_block_id>gr_float_to_char_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>gr_float_to_char_0</source_block_id>
-    <sink_block_id>gr_file_sink_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-</flow_graph>

diff --git a/gr-noaa/grc/rx_poes.grc b/gr-noaa/grc/rx_poes.grc
deleted file mode 100755 (executable)
index 1001049..0000000
--- a/gr-noaa/grc/rx_poes.grc
+++ /dev/null
@@ -1,806 +0,0 @@
-<?xml version='1.0' encoding='ASCII'?>
-<flow_graph>
-  <timestamp>Sat Aug 22 13:06:22 2009</timestamp>
-  <block>
-    <key>options</key>
-    <param>
-      <key>id</key>
-      <value>rx_poes</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>title</key>
-      <value></value>
-    </param>
-    <param>
-      <key>author</key>
-      <value></value>
-    </param>
-    <param>
-      <key>description</key>
-      <value></value>
-    </param>
-    <param>
-      <key>window_size</key>
-      <value>4096,4096</value>
-    </param>
-    <param>
-      <key>generate_options</key>
-      <value>wx_gui</value>
-    </param>
-    <param>
-      <key>category</key>
-      <value>Custom</value>
-    </param>
-    <param>
-      <key>run</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>realtime_scheduling</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(10, 10)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable</key>
-    <param>
-      <key>id</key>
-      <value>decim</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>16</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(97, 10)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable</key>
-    <param>
-      <key>id</key>
-      <value>sym_rate</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>600*1109</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(286, 10)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable</key>
-    <param>
-      <key>id</key>
-      <value>sample_rate</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>64e6/decim</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(176, 12)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable</key>
-    <param>
-      <key>id</key>
-      <value>sps</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>sample_rate/sym_rate</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(382, 14)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable</key>
-    <param>
-      <key>id</key>
-      <value>hs</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>int(sps/2.0)</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(492, 16)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>import</key>
-    <param>
-      <key>id</key>
-      <value>import_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>import</key>
-      <value>import math</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(9, 202)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable</key>
-    <param>
-      <key>id</key>
-      <value>max_offset</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>2*math.pi*100e3/sample_rate</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(342, 95)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>variable_slider</key>
-    <param>
-      <key>id</key>
-      <value>pll_alpha</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>label</key>
-      <value>PLL Alpha</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>0.005</value>
-    </param>
-    <param>
-      <key>min</key>
-      <value>0.0</value>
-    </param>
-    <param>
-      <key>max</key>
-      <value>0.5</value>
-    </param>
-    <param>
-      <key>num_steps</key>
-      <value>500</value>
-    </param>
-    <param>
-      <key>style</key>
-      <value>wx.SL_HORIZONTAL</value>
-    </param>
-    <param>
-      <key>converver</key>
-      <value>float_converter</value>
-    </param>
-    <param>
-      <key>grid_pos</key>
-      <value>0, 0, 1, 1</value>
-    </param>
-    <param>
-      <key>notebook</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(192, 100)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>gr_throttle</key>
-    <param>
-      <key>id</key>
-      <value>throttle</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>complex</value>
-    </param>
-    <param>
-      <key>samples_per_second</key>
-      <value>sample_rate</value>
-    </param>
-    <param>
-      <key>vlen</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(79, 518)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>gr_agc_xx</key>
-    <param>
-      <key>id</key>
-      <value>agr</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>complex</value>
-    </param>
-    <param>
-      <key>rate</key>
-      <value>1e-6</value>
-    </param>
-    <param>
-      <key>reference</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>gain</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>max_gain</key>
-      <value>1.0</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(261, 494)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>gr_moving_average_xx</key>
-    <param>
-      <key>id</key>
-      <value>gr_moving_average_xx_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>complex</value>
-    </param>
-    <param>
-      <key>length</key>
-      <value>hs</value>
-    </param>
-    <param>
-      <key>scale</key>
-      <value>1.0/hs</value>
-    </param>
-    <param>
-      <key>max_iter</key>
-      <value>4000</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(429, 502)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>noaa_carrier_pll_cc</key>
-    <param>
-      <key>id</key>
-      <value>noaa_carrier_pll_cc_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>alpha</key>
-      <value>pll_alpha</value>
-    </param>
-    <param>
-      <key>beta</key>
-      <value>pll_alpha**2/4.0</value>
-    </param>
-    <param>
-      <key>max_offset</key>
-      <value>max_offset</value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(636, 502)</value>
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-      <key>_rotation</key>
-      <value>0</value>
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-  </block>
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-    <key>wxgui_scopesink2</key>
-    <param>
-      <key>id</key>
-      <value>wxgui_scopesink2_0</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>complex</value>
-    </param>
-    <param>
-      <key>title</key>
-      <value>RX Waveform</value>
-    </param>
-    <param>
-      <key>samp_rate</key>
-      <value>sample_rate</value>
-    </param>
-    <param>
-      <key>v_scale</key>
-      <value>0</value>
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-    <param>
-      <key>t_scale</key>
-      <value>20.0/sample_rate</value>
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-    <param>
-      <key>ac_couple</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>xy_mode</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>num_inputs</key>
-      <value>1</value>
-    </param>
-    <param>
-      <key>grid_pos</key>
-      <value>1, 0, 1, 1</value>
-    </param>
-    <param>
-      <key>notebook</key>
-      <value>displays, 0</value>
-    </param>
-    <param>
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-      <value>(433, 612)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
-  <block>
-    <key>wxgui_fftsink2</key>
-    <param>
-      <key>id</key>
-      <value>rx_fftsink</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>type</key>
-      <value>complex</value>
-    </param>
-    <param>
-      <key>title</key>
-      <value>RX Spectrum</value>
-    </param>
-    <param>
-      <key>samp_rate</key>
-      <value>sample_rate</value>
-    </param>
-    <param>
-      <key>baseband_freq</key>
-      <value>1698e6</value>
-    </param>
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-      <key>y_per_div</key>
-      <value>5</value>
-    </param>
-    <param>
-      <key>y_divs</key>
-      <value>8</value>
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-    <param>
-      <key>ref_level</key>
-      <value>20</value>
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-    </param>
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-      <key>peak_hold</key>
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-    <param>
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-    </param>
-    <param>
-      <key>avg_alpha</key>
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-      <key>style</key>
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-    </param>
-    <param>
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-    <param>
-      <key>type</key>
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-      <key>title</key>
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-      <key>type</key>
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-      <key>title</key>
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-    <key>gr_file_source</key>
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-    <param>
-      <key>vlen</key>
-      <value>1</value>
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-    <param>
-      <key>_coordinate</key>
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-    <source_block_id>src</source_block_id>
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-  </connection>
-  <connection>
-    <source_block_id>noaa_carrier_pll_cc_0</source_block_id>
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-  <connection>
-    <source_block_id>agr</source_block_id>
-    <sink_block_id>gr_moving_average_xx_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>agr</source_block_id>
-    <sink_block_id>rx_fftsink</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>agr</source_block_id>
-    <sink_block_id>wxgui_scopesink2_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>gr_moving_average_xx_0</source_block_id>
-    <sink_block_id>noaa_carrier_pll_cc_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>noaa_carrier_pll_cc_0</source_block_id>
-    <sink_block_id>wxgui_scopesink2_0_0</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-  <connection>
-    <source_block_id>gr_complex_to_imag_0</source_block_id>
-    <sink_block_id>wxgui_scopesink2_0_1_0_1</sink_block_id>
-    <source_key>0</source_key>
-    <sink_key>0</sink_key>
-  </connection>
-</flow_graph>

diff --git a/gr-noaa/grc/usrp_rx_hrpt.grc b/gr-noaa/grc/usrp_rx_hrpt.grc
new file mode 100644 (file)
index 0000000..d3c6603
--- /dev/null
+++ b/gr-noaa/grc/usrp_rx_hrpt.grc
@@ -0,0 +1,1026 @@
+<?xml version='1.0' encoding='ASCII'?>
+<flow_graph>
+  <timestamp>Sat Aug 29 11:48:56 2009</timestamp>
+  <block>
+    <key>options</key>
+    <param>
+      <key>id</key>
+      <value>usrp_rx_hrpt</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>title</key>
+      <value>USRP HRPT Receiver</value>
+    </param>
+    <param>
+      <key>author</key>
+      <value></value>
+    </param>
+    <param>
+      <key>description</key>
+      <value></value>
+    </param>
+    <param>
+      <key>window_size</key>
+      <value>4096,4096</value>
+    </param>
+    <param>
+      <key>generate_options</key>
+      <value>wx_gui</value>
+    </param>
+    <param>
+      <key>category</key>
+      <value>Custom</value>
+    </param>
+    <param>
+      <key>run</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>realtime_scheduling</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(10, 10)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>import</key>
+    <param>
+      <key>id</key>
+      <value>import_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>import</key>
+      <value>import math</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(9, 202)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>gr_throttle</key>
+    <param>
+      <key>id</key>
+      <value>throttle</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>complex</value>
+    </param>
+    <param>
+      <key>samples_per_second</key>
+      <value>sample_rate</value>
+    </param>
+    <param>
+      <key>vlen</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(79, 518)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>gr_file_source</key>
+    <param>
+      <key>id</key>
+      <value>src</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>file</key>
+      <value>poes-d16.dat</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>complex</value>
+    </param>
+    <param>
+      <key>repeat</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>vlen</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(34, 423)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable</key>
+    <param>
+      <key>id</key>
+      <value>decim</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>16</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(186, 10)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable</key>
+    <param>
+      <key>id</key>
+      <value>hs</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>int(sps/2.0)</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(589, 13)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable</key>
+    <param>
+      <key>id</key>
+      <value>sym_rate</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>600*1109</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(383, 7)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable</key>
+    <param>
+      <key>id</key>
+      <value>sps</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>sample_rate/sym_rate</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(479, 11)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable</key>
+    <param>
+      <key>id</key>
+      <value>sample_rate</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>64e6/decim</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(273, 9)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>wxgui_fftsink2</key>
+    <param>
+      <key>id</key>
+      <value>rx_fftsink</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>complex</value>
+    </param>
+    <param>
+      <key>title</key>
+      <value>RX Spectrum</value>
+    </param>
+    <param>
+      <key>samp_rate</key>
+      <value>sample_rate</value>
+    </param>
+    <param>
+      <key>baseband_freq</key>
+      <value>1698e6</value>
+    </param>
+    <param>
+      <key>y_per_div</key>
+      <value>5</value>
+    </param>
+    <param>
+      <key>y_divs</key>
+      <value>8</value>
+    </param>
+    <param>
+      <key>ref_level</key>
+      <value>20</value>
+    </param>
+    <param>
+      <key>fft_size</key>
+      <value>1024</value>
+    </param>
+    <param>
+      <key>fft_rate</key>
+      <value>30</value>
+    </param>
+    <param>
+      <key>peak_hold</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>average</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>avg_alpha</key>
+      <value>0.1</value>
+    </param>
+    <param>
+      <key>grid_pos</key>
+      <value>0, 0, 1, 1</value>
+    </param>
+    <param>
+      <key>notebook</key>
+      <value>displays, 0</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(194, 263)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>180</value>
+    </param>
+  </block>
+  <block>
+    <key>wxgui_scopesink2</key>
+    <param>
+      <key>id</key>
+      <value>wxgui_scopesink2_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>complex</value>
+    </param>
+    <param>
+      <key>title</key>
+      <value>RX Waveform</value>
+    </param>
+    <param>
+      <key>samp_rate</key>
+      <value>sample_rate</value>
+    </param>
+    <param>
+      <key>v_scale</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>t_scale</key>
+      <value>20.0/sample_rate</value>
+    </param>
+    <param>
+      <key>ac_couple</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>xy_mode</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>num_inputs</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>grid_pos</key>
+      <value>1, 0, 1, 1</value>
+    </param>
+    <param>
+      <key>notebook</key>
+      <value>displays, 0</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(198, 609)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>180</value>
+    </param>
+  </block>
+  <block>
+    <key>gr_agc_xx</key>
+    <param>
+      <key>id</key>
+      <value>agr</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>complex</value>
+    </param>
+    <param>
+      <key>rate</key>
+      <value>1e-6</value>
+    </param>
+    <param>
+      <key>reference</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>gain</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>max_gain</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(261, 494)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>gr_moving_average_xx</key>
+    <param>
+      <key>id</key>
+      <value>gr_moving_average_xx_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>complex</value>
+    </param>
+    <param>
+      <key>length</key>
+      <value>hs</value>
+    </param>
+    <param>
+      <key>scale</key>
+      <value>1.0/hs</value>
+    </param>
+    <param>
+      <key>max_iter</key>
+      <value>4000</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(434, 502)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable</key>
+    <param>
+      <key>id</key>
+      <value>max_carrier_offset</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>2*math.pi*100e3/sample_rate</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(668, 107)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable</key>
+    <param>
+      <key>id</key>
+      <value>max_sync_offset</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>0.01</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(665, 173)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable_slider</key>
+    <param>
+      <key>id</key>
+      <value>pll_alpha</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>label</key>
+      <value>PLL Alpha</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>0.005</value>
+    </param>
+    <param>
+      <key>min</key>
+      <value>0.0</value>
+    </param>
+    <param>
+      <key>max</key>
+      <value>0.5</value>
+    </param>
+    <param>
+      <key>num_steps</key>
+      <value>500</value>
+    </param>
+    <param>
+      <key>style</key>
+      <value>wx.SL_HORIZONTAL</value>
+    </param>
+    <param>
+      <key>converver</key>
+      <value>float_converter</value>
+    </param>
+    <param>
+      <key>grid_pos</key>
+      <value>0, 0, 1, 1</value>
+    </param>
+    <param>
+      <key>notebook</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(192, 100)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable_slider</key>
+    <param>
+      <key>id</key>
+      <value>sync_alpha</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>label</key>
+      <value>SYNC Alpha</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>0.005</value>
+    </param>
+    <param>
+      <key>min</key>
+      <value>0.0</value>
+    </param>
+    <param>
+      <key>max</key>
+      <value>0.5</value>
+    </param>
+    <param>
+      <key>num_steps</key>
+      <value>500</value>
+    </param>
+    <param>
+      <key>style</key>
+      <value>wx.SL_HORIZONTAL</value>
+    </param>
+    <param>
+      <key>converver</key>
+      <value>float_converter</value>
+    </param>
+    <param>
+      <key>grid_pos</key>
+      <value>0, 1, 1, 1</value>
+    </param>
+    <param>
+      <key>notebook</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(344, 101)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>noaa_hrpt_pll_cc</key>
+    <param>
+      <key>id</key>
+      <value>noaa_hrpt_pll_cc_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>alpha</key>
+      <value>pll_alpha</value>
+    </param>
+    <param>
+      <key>beta</key>
+      <value>pll_alpha**2/4.0</value>
+    </param>
+    <param>
+      <key>max_offset</key>
+      <value>max_carrier_offset</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(628, 502)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>wxgui_scopesink2</key>
+    <param>
+      <key>id</key>
+      <value>wxgui_scopesink2_0_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>complex</value>
+    </param>
+    <param>
+      <key>title</key>
+      <value>Post-PLL</value>
+    </param>
+    <param>
+      <key>samp_rate</key>
+      <value>sample_rate</value>
+    </param>
+    <param>
+      <key>v_scale</key>
+      <value>0.5</value>
+    </param>
+    <param>
+      <key>t_scale</key>
+      <value>20.0/sample_rate</value>
+    </param>
+    <param>
+      <key>ac_couple</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>xy_mode</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>num_inputs</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>grid_pos</key>
+      <value>0, 0, 1, 1</value>
+    </param>
+    <param>
+      <key>notebook</key>
+      <value>displays, 1</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(618, 335)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>180</value>
+    </param>
+  </block>
+  <block>
+    <key>wxgui_scopesink2</key>
+    <param>
+      <key>id</key>
+      <value>wxgui_scopesink2_0_0_1</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>complex</value>
+    </param>
+    <param>
+      <key>title</key>
+      <value>Post-SYNC</value>
+    </param>
+    <param>
+      <key>samp_rate</key>
+      <value>sample_rate</value>
+    </param>
+    <param>
+      <key>v_scale</key>
+      <value>0.5</value>
+    </param>
+    <param>
+      <key>t_scale</key>
+      <value>20.0/sample_rate</value>
+    </param>
+    <param>
+      <key>ac_couple</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>xy_mode</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>num_inputs</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>grid_pos</key>
+      <value>0, 0, 1, 1</value>
+    </param>
+    <param>
+      <key>notebook</key>
+      <value>displays, 2</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(872, 341)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>180</value>
+    </param>
+  </block>
+  <block>
+    <key>notebook</key>
+    <param>
+      <key>id</key>
+      <value>displays</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>style</key>
+      <value>wx.NB_TOP</value>
+    </param>
+    <param>
+      <key>labels</key>
+      <value>['RX','PLL','SYNC']</value>
+    </param>
+    <param>
+      <key>grid_pos</key>
+      <value>1, 0, 1, 2</value>
+    </param>
+    <param>
+      <key>notebook</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(9, 99)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>wxgui_scopesink2</key>
+    <param>
+      <key>id</key>
+      <value>wxgui_scopesink2_0_0_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>complex</value>
+    </param>
+    <param>
+      <key>title</key>
+      <value>Post-PLL</value>
+    </param>
+    <param>
+      <key>samp_rate</key>
+      <value>sample_rate</value>
+    </param>
+    <param>
+      <key>v_scale</key>
+      <value>0.5</value>
+    </param>
+    <param>
+      <key>t_scale</key>
+      <value>20.0/sample_rate</value>
+    </param>
+    <param>
+      <key>ac_couple</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>xy_mode</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>num_inputs</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>grid_pos</key>
+      <value>1, 0, 1, 1</value>
+    </param>
+    <param>
+      <key>notebook</key>
+      <value>displays, 1</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(618, 614)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>180</value>
+    </param>
+  </block>
+  <block>
+    <key>noaa_hrpt_sync_cc</key>
+    <param>
+      <key>id</key>
+      <value>sync</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>alpha</key>
+      <value>sync_alpha</value>
+    </param>
+    <param>
+      <key>beta</key>
+      <value>sync_alpha**2/4.0</value>
+    </param>
+    <param>
+      <key>sps</key>
+      <value>sps</value>
+    </param>
+    <param>
+      <key>max_offset</key>
+      <value>max_sync_offset</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(865, 494)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>wxgui_scopesink2</key>
+    <param>
+      <key>id</key>
+      <value>wxgui_scopesink2_0_0_0_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>complex</value>
+    </param>
+    <param>
+      <key>title</key>
+      <value>Post-SYNC</value>
+    </param>
+    <param>
+      <key>samp_rate</key>
+      <value>sample_rate</value>
+    </param>
+    <param>
+      <key>v_scale</key>
+      <value>0.5</value>
+    </param>
+    <param>
+      <key>t_scale</key>
+      <value>20.0/sample_rate</value>
+    </param>
+    <param>
+      <key>ac_couple</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>xy_mode</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>num_inputs</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>grid_pos</key>
+      <value>1, 0, 1, 1</value>
+    </param>
+    <param>
+      <key>notebook</key>
+      <value>displays, 2</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(872, 607)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>180</value>
+    </param>
+  </block>
+  <connection>
+    <source_block_id>src</source_block_id>
+    <sink_block_id>throttle</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>throttle</source_block_id>
+    <sink_block_id>agr</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>agr</source_block_id>
+    <sink_block_id>gr_moving_average_xx_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>agr</source_block_id>
+    <sink_block_id>rx_fftsink</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>agr</source_block_id>
+    <sink_block_id>wxgui_scopesink2_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>gr_moving_average_xx_0</source_block_id>
+    <sink_block_id>noaa_hrpt_pll_cc_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>noaa_hrpt_pll_cc_0</source_block_id>
+    <sink_block_id>wxgui_scopesink2_0_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>noaa_hrpt_pll_cc_0</source_block_id>
+    <sink_block_id>wxgui_scopesink2_0_0_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>noaa_hrpt_pll_cc_0</source_block_id>
+    <sink_block_id>sync</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>sync</source_block_id>
+    <sink_block_id>wxgui_scopesink2_0_0_1</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>sync</source_block_id>
+    <sink_block_id>wxgui_scopesink2_0_0_0_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+</flow_graph>

diff --git a/gr-noaa/grc/usrp_rx_hrpt.py b/gr-noaa/grc/usrp_rx_hrpt.py
new file mode 100755 (executable)
index 0000000..ed64173
--- /dev/null
+++ b/gr-noaa/grc/usrp_rx_hrpt.py
@@ -0,0 +1,245 @@
+#!/usr/bin/env python
+##################################################
+# Gnuradio Python Flow Graph
+# Title: USRP HRPT Receiver
+# Generated: Sat Aug 29 11:48:57 2009
+##################################################
+
+from gnuradio import gr
+from gnuradio import noaa
+from gnuradio.eng_option import eng_option
+from gnuradio.wxgui import fftsink2
+from gnuradio.wxgui import forms
+from gnuradio.wxgui import scopesink2
+from grc_gnuradio import wxgui as grc_wxgui
+from optparse import OptionParser
+import math
+import wx
+
+class usrp_rx_hrpt(grc_wxgui.top_block_gui):
+
+       def __init__(self):
+               grc_wxgui.top_block_gui.__init__(self, title="USRP HRPT Receiver")
+
+               ##################################################
+               # Variables
+               ##################################################
+               self.decim = decim = 16
+               self.sym_rate = sym_rate = 600*1109
+               self.sample_rate = sample_rate = 64e6/decim
+               self.sps = sps = sample_rate/sym_rate
+               self.sync_alpha = sync_alpha = 0.005
+               self.pll_alpha = pll_alpha = 0.005
+               self.max_sync_offset = max_sync_offset = 0.01
+               self.max_carrier_offset = max_carrier_offset = 2*math.pi*100e3/sample_rate
+               self.hs = hs = int(sps/2.0)
+
+               ##################################################
+               # Notebooks
+               ##################################################
+               self.displays = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
+               self.displays.AddPage(grc_wxgui.Panel(self.displays), "RX")
+               self.displays.AddPage(grc_wxgui.Panel(self.displays), "PLL")
+               self.displays.AddPage(grc_wxgui.Panel(self.displays), "SYNC")
+               self.GridAdd(self.displays, 1, 0, 1, 2)
+
+               ##################################################
+               # Controls
+               ##################################################
+               _sync_alpha_sizer = wx.BoxSizer(wx.VERTICAL)
+               self._sync_alpha_text_box = forms.text_box(
+                       parent=self.GetWin(),
+                       sizer=_sync_alpha_sizer,
+                       value=self.sync_alpha,
+                       callback=self.set_sync_alpha,
+                       label="SYNC Alpha",
+                       converter=forms.float_converter(),
+                       proportion=0,
+               )
+               self._sync_alpha_slider = forms.slider(
+                       parent=self.GetWin(),
+                       sizer=_sync_alpha_sizer,
+                       value=self.sync_alpha,
+                       callback=self.set_sync_alpha,
+                       minimum=0.0,
+                       maximum=0.5,
+                       num_steps=500,
+                       style=wx.SL_HORIZONTAL,
+                       cast=float,
+                       proportion=1,
+               )
+               self.GridAdd(_sync_alpha_sizer, 0, 1, 1, 1)
+               _pll_alpha_sizer = wx.BoxSizer(wx.VERTICAL)
+               self._pll_alpha_text_box = forms.text_box(
+                       parent=self.GetWin(),
+                       sizer=_pll_alpha_sizer,
+                       value=self.pll_alpha,
+                       callback=self.set_pll_alpha,
+                       label="PLL Alpha",
+                       converter=forms.float_converter(),
+                       proportion=0,
+               )
+               self._pll_alpha_slider = forms.slider(
+                       parent=self.GetWin(),
+                       sizer=_pll_alpha_sizer,
+                       value=self.pll_alpha,
+                       callback=self.set_pll_alpha,
+                       minimum=0.0,
+                       maximum=0.5,
+                       num_steps=500,
+                       style=wx.SL_HORIZONTAL,
+                       cast=float,
+                       proportion=1,
+               )
+               self.GridAdd(_pll_alpha_sizer, 0, 0, 1, 1)
+
+               ##################################################
+               # Blocks
+               ##################################################
+               self.agr = gr.agc_cc(1e-6, 1.0, 1.0, 1.0)
+               self.gr_moving_average_xx_0 = gr.moving_average_cc(hs, 1.0/hs, 4000)
+               self.noaa_hrpt_pll_cc_0 = noaa.hrpt_pll_cc(pll_alpha, pll_alpha**2/4.0, max_carrier_offset)
+               self.rx_fftsink = fftsink2.fft_sink_c(
+                       self.displays.GetPage(0).GetWin(),
+                       baseband_freq=1698e6,
+                       y_per_div=5,
+                       y_divs=8,
+                       ref_level=20,
+                       sample_rate=sample_rate,
+                       fft_size=1024,
+                       fft_rate=30,
+                       average=True,
+                       avg_alpha=0.1,
+                       title="RX Spectrum",
+                       peak_hold=False,
+               )
+               self.displays.GetPage(0).GridAdd(self.rx_fftsink.win, 0, 0, 1, 1)
+               self.src = gr.file_source(gr.sizeof_gr_complex*1, "poes-d16.dat", True)
+               self.sync = noaa.hrpt_sync_cc(sync_alpha, sync_alpha**2/4.0, sps, max_sync_offset)
+               self.throttle = gr.throttle(gr.sizeof_gr_complex*1, sample_rate)
+               self.wxgui_scopesink2_0 = scopesink2.scope_sink_c(
+                       self.displays.GetPage(0).GetWin(),
+                       title="RX Waveform",
+                       sample_rate=sample_rate,
+                       v_scale=0,
+                       t_scale=20.0/sample_rate,
+                       ac_couple=False,
+                       xy_mode=False,
+                       num_inputs=1,
+               )
+               self.displays.GetPage(0).GridAdd(self.wxgui_scopesink2_0.win, 1, 0, 1, 1)
+               self.wxgui_scopesink2_0_0 = scopesink2.scope_sink_c(
+                       self.displays.GetPage(1).GetWin(),
+                       title="Post-PLL",
+                       sample_rate=sample_rate,
+                       v_scale=0.5,
+                       t_scale=20.0/sample_rate,
+                       ac_couple=False,
+                       xy_mode=False,
+                       num_inputs=1,
+               )
+               self.displays.GetPage(1).GridAdd(self.wxgui_scopesink2_0_0.win, 0, 0, 1, 1)
+               self.wxgui_scopesink2_0_0_0 = scopesink2.scope_sink_c(
+                       self.displays.GetPage(1).GetWin(),
+                       title="Post-PLL",
+                       sample_rate=sample_rate,
+                       v_scale=0.5,
+                       t_scale=20.0/sample_rate,
+                       ac_couple=False,
+                       xy_mode=True,
+                       num_inputs=1,
+               )
+               self.displays.GetPage(1).GridAdd(self.wxgui_scopesink2_0_0_0.win, 1, 0, 1, 1)
+               self.wxgui_scopesink2_0_0_0_0 = scopesink2.scope_sink_c(
+                       self.displays.GetPage(2).GetWin(),
+                       title="Post-SYNC",
+                       sample_rate=sample_rate,
+                       v_scale=0.5,
+                       t_scale=20.0/sample_rate,
+                       ac_couple=False,
+                       xy_mode=True,
+                       num_inputs=1,
+               )
+               self.displays.GetPage(2).GridAdd(self.wxgui_scopesink2_0_0_0_0.win, 1, 0, 1, 1)
+               self.wxgui_scopesink2_0_0_1 = scopesink2.scope_sink_c(
+                       self.displays.GetPage(2).GetWin(),
+                       title="Post-SYNC",
+                       sample_rate=sample_rate,
+                       v_scale=0.5,
+                       t_scale=20.0/sample_rate,
+                       ac_couple=False,
+                       xy_mode=False,
+                       num_inputs=1,
+               )
+               self.displays.GetPage(2).GridAdd(self.wxgui_scopesink2_0_0_1.win, 0, 0, 1, 1)
+
+               ##################################################
+               # Connections
+               ##################################################
+               self.connect((self.src, 0), (self.throttle, 0))
+               self.connect((self.throttle, 0), (self.agr, 0))
+               self.connect((self.agr, 0), (self.gr_moving_average_xx_0, 0))
+               self.connect((self.agr, 0), (self.rx_fftsink, 0))
+               self.connect((self.agr, 0), (self.wxgui_scopesink2_0, 0))
+               self.connect((self.gr_moving_average_xx_0, 0), (self.noaa_hrpt_pll_cc_0, 0))
+               self.connect((self.noaa_hrpt_pll_cc_0, 0), (self.wxgui_scopesink2_0_0, 0))
+               self.connect((self.noaa_hrpt_pll_cc_0, 0), (self.wxgui_scopesink2_0_0_0, 0))
+               self.connect((self.noaa_hrpt_pll_cc_0, 0), (self.sync, 0))
+               self.connect((self.sync, 0), (self.wxgui_scopesink2_0_0_1, 0))
+               self.connect((self.sync, 0), (self.wxgui_scopesink2_0_0_0_0, 0))
+
+       def set_decim(self, decim):
+               self.decim = decim
+               self.set_sample_rate(64e6/self.decim)
+
+       def set_sym_rate(self, sym_rate):
+               self.sym_rate = sym_rate
+               self.set_sps(self.sample_rate/self.sym_rate)
+
+       def set_sample_rate(self, sample_rate):
+               self.sample_rate = sample_rate
+               self.set_sps(self.sample_rate/self.sym_rate)
+               self.rx_fftsink.set_sample_rate(self.sample_rate)
+               self.wxgui_scopesink2_0.set_sample_rate(self.sample_rate)
+               self.set_max_carrier_offset(2*math.pi*100e3/self.sample_rate)
+               self.wxgui_scopesink2_0_0.set_sample_rate(self.sample_rate)
+               self.wxgui_scopesink2_0_0_1.set_sample_rate(self.sample_rate)
+               self.wxgui_scopesink2_0_0_0.set_sample_rate(self.sample_rate)
+               self.wxgui_scopesink2_0_0_0_0.set_sample_rate(self.sample_rate)
+
+       def set_sps(self, sps):
+               self.sps = sps
+               self.set_hs(int(self.sps/2.0))
+
+       def set_sync_alpha(self, sync_alpha):
+               self.sync_alpha = sync_alpha
+               self._sync_alpha_slider.set_value(self.sync_alpha)
+               self._sync_alpha_text_box.set_value(self.sync_alpha)
+               self.sync.set_alpha(self.sync_alpha)
+               self.sync.set_beta(self.sync_alpha**2/4.0)
+
+       def set_pll_alpha(self, pll_alpha):
+               self.pll_alpha = pll_alpha
+               self._pll_alpha_slider.set_value(self.pll_alpha)
+               self._pll_alpha_text_box.set_value(self.pll_alpha)
+               self.noaa_hrpt_pll_cc_0.set_alpha(self.pll_alpha)
+               self.noaa_hrpt_pll_cc_0.set_beta(self.pll_alpha**2/4.0)
+
+       def set_max_sync_offset(self, max_sync_offset):
+               self.max_sync_offset = max_sync_offset
+               self.sync.set_max_offset(self.max_sync_offset)
+
+       def set_max_carrier_offset(self, max_carrier_offset):
+               self.max_carrier_offset = max_carrier_offset
+               self.noaa_hrpt_pll_cc_0.set_max_offset(self.max_carrier_offset)
+
+       def set_hs(self, hs):
+               self.hs = hs
+               self.gr_moving_average_xx_0.set_length_and_scale(self.hs, 1.0/self.hs)
+
+if __name__ == '__main__':
+       parser = OptionParser(option_class=eng_option, usage="%prog: [options]")
+       (options, args) = parser.parse_args()
+       tb = usrp_rx_hrpt()
+       tb.Run(True)
+

diff --git a/gr-noaa/grc/usrp_rx_lrit.grc b/gr-noaa/grc/usrp_rx_lrit.grc
new file mode 100644 (file)
index 0000000..55fe397
--- /dev/null
+++ b/gr-noaa/grc/usrp_rx_lrit.grc
@@ -0,0 +1,1477 @@
+<?xml version='1.0' encoding='ASCII'?>
+<flow_graph>
+  <timestamp>Sat Aug 29 11:26:03 2009</timestamp>
+  <block>
+    <key>options</key>
+    <param>
+      <key>id</key>
+      <value>usrp_rx_lrit</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>title</key>
+      <value>USRP LRIT Receiver</value>
+    </param>
+    <param>
+      <key>author</key>
+      <value></value>
+    </param>
+    <param>
+      <key>description</key>
+      <value></value>
+    </param>
+    <param>
+      <key>window_size</key>
+      <value>4095, 4095</value>
+    </param>
+    <param>
+      <key>generate_options</key>
+      <value>wx_gui</value>
+    </param>
+    <param>
+      <key>category</key>
+      <value>Custom</value>
+    </param>
+    <param>
+      <key>run</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>realtime_scheduling</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(10, 10)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable</key>
+    <param>
+      <key>id</key>
+      <value>samp_rate</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>64e6/decim</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(10, 81)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable</key>
+    <param>
+      <key>id</key>
+      <value>symbol_rate</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>293e3</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(11, 148)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable</key>
+    <param>
+      <key>id</key>
+      <value>sps</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>samp_rate/symbol_rate</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(12, 214)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable_text_box</key>
+    <param>
+      <key>id</key>
+      <value>decim</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>label</key>
+      <value>Decim</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>saved_decim</value>
+    </param>
+    <param>
+      <key>converver</key>
+      <value>int_converter</value>
+    </param>
+    <param>
+      <key>formatter</key>
+      <value>None</value>
+    </param>
+    <param>
+      <key>grid_pos</key>
+      <value>0, 0, 1, 1</value>
+    </param>
+    <param>
+      <key>notebook</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(243, 13)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>wxgui_scopesink2</key>
+    <param>
+      <key>id</key>
+      <value>wxgui_scopesink2_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>complex</value>
+    </param>
+    <param>
+      <key>title</key>
+      <value>Waveform</value>
+    </param>
+    <param>
+      <key>samp_rate</key>
+      <value>samp_rate</value>
+    </param>
+    <param>
+      <key>v_scale</key>
+      <value>0.5</value>
+    </param>
+    <param>
+      <key>t_scale</key>
+      <value>20.0/samp_rate</value>
+    </param>
+    <param>
+      <key>ac_couple</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>xy_mode</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>num_inputs</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>grid_pos</key>
+      <value>1, 0, 1, 1</value>
+    </param>
+    <param>
+      <key>notebook</key>
+      <value>displays, 0</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(434, 551)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>gr_agc_xx</key>
+    <param>
+      <key>id</key>
+      <value>gr_agc_xx_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>complex</value>
+    </param>
+    <param>
+      <key>rate</key>
+      <value>1e-6</value>
+    </param>
+    <param>
+      <key>reference</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>gain</key>
+      <value>1.0/32767.0</value>
+    </param>
+    <param>
+      <key>max_gain</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(261, 493)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>root_raised_cosine_filter</key>
+    <param>
+      <key>id</key>
+      <value>root_raised_cosine_filter_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>fir_filter_ccf</value>
+    </param>
+    <param>
+      <key>decim</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>interp</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>gain</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>samp_rate</key>
+      <value>samp_rate</value>
+    </param>
+    <param>
+      <key>sym_rate</key>
+      <value>symbol_rate</value>
+    </param>
+    <param>
+      <key>alpha</key>
+      <value>0.5</value>
+    </param>
+    <param>
+      <key>ntaps</key>
+      <value>50</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(618, 373)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>usrp_simple_source_x</key>
+    <param>
+      <key>id</key>
+      <value>usrp_simple_source_x_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>complex</value>
+    </param>
+    <param>
+      <key>format</key>
+      <value></value>
+    </param>
+    <param>
+      <key>which</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>decimation</key>
+      <value>decim</value>
+    </param>
+    <param>
+      <key>frequency</key>
+      <value>freq</value>
+    </param>
+    <param>
+      <key>lo_offset</key>
+      <value>float('inf')</value>
+    </param>
+    <param>
+      <key>gain</key>
+      <value>gain</value>
+    </param>
+    <param>
+      <key>side</key>
+      <value>B</value>
+    </param>
+    <param>
+      <key>rx_ant</key>
+      <value>RXA</value>
+    </param>
+    <param>
+      <key>hb_filters</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(11, 477)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>wxgui_fftsink2</key>
+    <param>
+      <key>id</key>
+      <value>wxgui_fftsink2_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>complex</value>
+    </param>
+    <param>
+      <key>title</key>
+      <value>Spectrum</value>
+    </param>
+    <param>
+      <key>samp_rate</key>
+      <value>samp_rate</value>
+    </param>
+    <param>
+      <key>baseband_freq</key>
+      <value>freq</value>
+    </param>
+    <param>
+      <key>y_per_div</key>
+      <value>10</value>
+    </param>
+    <param>
+      <key>y_divs</key>
+      <value>10</value>
+    </param>
+    <param>
+      <key>ref_level</key>
+      <value>50</value>
+    </param>
+    <param>
+      <key>fft_size</key>
+      <value>1024</value>
+    </param>
+    <param>
+      <key>fft_rate</key>
+      <value>30</value>
+    </param>
+    <param>
+      <key>peak_hold</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>average</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>avg_alpha</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>grid_pos</key>
+      <value>0, 0, 1, 1</value>
+    </param>
+    <param>
+      <key>notebook</key>
+      <value>displays, 0</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(434, 337)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>gr_throttle</key>
+    <param>
+      <key>id</key>
+      <value>gr_throttle_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>complex</value>
+    </param>
+    <param>
+      <key>samples_per_second</key>
+      <value>samp_rate</value>
+    </param>
+    <param>
+      <key>vlen</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(181, 663)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>wxgui_scopesink2</key>
+    <param>
+      <key>id</key>
+      <value>wxgui_scopesink2_1</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>complex</value>
+    </param>
+    <param>
+      <key>title</key>
+      <value>Scope Plot</value>
+    </param>
+    <param>
+      <key>samp_rate</key>
+      <value>samp_rate</value>
+    </param>
+    <param>
+      <key>v_scale</key>
+      <value>0.4</value>
+    </param>
+    <param>
+      <key>t_scale</key>
+      <value>20.0/samp_rate</value>
+    </param>
+    <param>
+      <key>ac_couple</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>xy_mode</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>num_inputs</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>grid_pos</key>
+      <value>0, 0, 1, 1</value>
+    </param>
+    <param>
+      <key>notebook</key>
+      <value>displays, 1</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(1126, 251)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>gr_probe_mpsk_snr_c</key>
+    <param>
+      <key>id</key>
+      <value>gr_probe_mpsk_snr_c_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>snr</value>
+    </param>
+    <param>
+      <key>alpha</key>
+      <value>0.0001</value>
+    </param>
+    <param>
+      <key>probe_rate</key>
+      <value>10</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(1126, 723)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>wxgui_numbersink2</key>
+    <param>
+      <key>id</key>
+      <value>wxgui_numbersink2_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>float</value>
+    </param>
+    <param>
+      <key>title</key>
+      <value>SNR</value>
+    </param>
+    <param>
+      <key>units</key>
+      <value>dB</value>
+    </param>
+    <param>
+      <key>samp_rate</key>
+      <value>10</value>
+    </param>
+    <param>
+      <key>min_value</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>max_value</key>
+      <value>30</value>
+    </param>
+    <param>
+      <key>factor</key>
+      <value>1.0</value>
+    </param>
+    <param>
+      <key>decimal_places</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>ref_level</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>number_rate</key>
+      <value>10</value>
+    </param>
+    <param>
+      <key>peak_hold</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>average</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>avg_alpha</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>show_gauge</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>grid_pos</key>
+      <value>2, 0, 1, 1</value>
+    </param>
+    <param>
+      <key>notebook</key>
+      <value>displays, 1</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(1335, 651)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>gr_mpsk_receiver_cc</key>
+    <param>
+      <key>id</key>
+      <value>gr_mpsk_receiver_cc_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>M</key>
+      <value>2</value>
+    </param>
+    <param>
+      <key>theta</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>alpha</key>
+      <value>costas_alpha</value>
+    </param>
+    <param>
+      <key>beta</key>
+      <value>costas_alpha*costas_alpha/4.0</value>
+    </param>
+    <param>
+      <key>fmin</key>
+      <value>-0.05</value>
+    </param>
+    <param>
+      <key>fmax</key>
+      <value>0.05</value>
+    </param>
+    <param>
+      <key>mu</key>
+      <value>0.5</value>
+    </param>
+    <param>
+      <key>gain_mu</key>
+      <value>gain_mu</value>
+    </param>
+    <param>
+      <key>omega</key>
+      <value>sps</value>
+    </param>
+    <param>
+      <key>gain_omega</key>
+      <value>gain_mu*gain_mu/4.0</value>
+    </param>
+    <param>
+      <key>omega_relative_limit</key>
+      <value>0.05</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(881, 437)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>gr_complex_to_real</key>
+    <param>
+      <key>id</key>
+      <value>gr_complex_to_real_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>vlen</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(1133, 521)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>gr_char_to_float</key>
+    <param>
+      <key>id</key>
+      <value>gr_char_to_float_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(1523, 521)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>gr_binary_slicer_fb</key>
+    <param>
+      <key>id</key>
+      <value>gr_binary_slicer_fb_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(1343, 521)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>gr_add_const_vxx</key>
+    <param>
+      <key>id</key>
+      <value>gr_add_const_vxx_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>float</value>
+    </param>
+    <param>
+      <key>const</key>
+      <value>48.0</value>
+    </param>
+    <param>
+      <key>vlen</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(1707, 517)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>gr_float_to_char</key>
+    <param>
+      <key>id</key>
+      <value>gr_float_to_char_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(1878, 521)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>gr_file_sink</key>
+    <param>
+      <key>id</key>
+      <value>gr_file_sink_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>file</key>
+      <value>bits.dat</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>byte</value>
+    </param>
+    <param>
+      <key>vlen</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(2059, 517)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>gr_file_source</key>
+    <param>
+      <key>id</key>
+      <value>gr_file_source_0</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>file</key>
+      <value>lrit.dat</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>complex</value>
+    </param>
+    <param>
+      <key>repeat</key>
+      <value>False</value>
+    </param>
+    <param>
+      <key>vlen</key>
+      <value>1</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(11, 655)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>notebook</key>
+    <param>
+      <key>id</key>
+      <value>displays</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>style</key>
+      <value>wx.NB_TOP</value>
+    </param>
+    <param>
+      <key>labels</key>
+      <value>['USRP RX', 'Costas Output']</value>
+    </param>
+    <param>
+      <key>grid_pos</key>
+      <value>2, 0, 1, 3</value>
+    </param>
+    <param>
+      <key>notebook</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(14, 351)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable_config</key>
+    <param>
+      <key>id</key>
+      <value>saved_decim</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>160</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>int</value>
+    </param>
+    <param>
+      <key>config_file</key>
+      <value>config_filename</value>
+    </param>
+    <param>
+      <key>section</key>
+      <value>main</value>
+    </param>
+    <param>
+      <key>option</key>
+      <value>decim</value>
+    </param>
+    <param>
+      <key>writeback</key>
+      <value>decim</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(246, 172)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable_slider</key>
+    <param>
+      <key>id</key>
+      <value>gain</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>label</key>
+      <value>Gain</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>saved_gain</value>
+    </param>
+    <param>
+      <key>min</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>max</key>
+      <value>115</value>
+    </param>
+    <param>
+      <key>num_steps</key>
+      <value>115</value>
+    </param>
+    <param>
+      <key>style</key>
+      <value>wx.SL_HORIZONTAL</value>
+    </param>
+    <param>
+      <key>converver</key>
+      <value>float_converter</value>
+    </param>
+    <param>
+      <key>grid_pos</key>
+      <value>0, 1, 1, 1</value>
+    </param>
+    <param>
+      <key>notebook</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(411, 11)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable_config</key>
+    <param>
+      <key>id</key>
+      <value>saved_gain</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>33</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>real</value>
+    </param>
+    <param>
+      <key>config_file</key>
+      <value>config_filename</value>
+    </param>
+    <param>
+      <key>section</key>
+      <value>main</value>
+    </param>
+    <param>
+      <key>option</key>
+      <value>gain</value>
+    </param>
+    <param>
+      <key>writeback</key>
+      <value>gain</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(412, 172)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable_slider</key>
+    <param>
+      <key>id</key>
+      <value>freq</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>label</key>
+      <value>Frequency</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>saved_freq</value>
+    </param>
+    <param>
+      <key>min</key>
+      <value>135e6</value>
+    </param>
+    <param>
+      <key>max</key>
+      <value>139e6</value>
+    </param>
+    <param>
+      <key>num_steps</key>
+      <value>400</value>
+    </param>
+    <param>
+      <key>style</key>
+      <value>wx.SL_HORIZONTAL</value>
+    </param>
+    <param>
+      <key>converver</key>
+      <value>float_converter</value>
+    </param>
+    <param>
+      <key>grid_pos</key>
+      <value>0, 2, 1, 1</value>
+    </param>
+    <param>
+      <key>notebook</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(574, 12)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable_config</key>
+    <param>
+      <key>id</key>
+      <value>saved_freq</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>137e6</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>real</value>
+    </param>
+    <param>
+      <key>config_file</key>
+      <value>config_filename</value>
+    </param>
+    <param>
+      <key>section</key>
+      <value>main</value>
+    </param>
+    <param>
+      <key>option</key>
+      <value>freq</value>
+    </param>
+    <param>
+      <key>writeback</key>
+      <value>freq</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(576, 170)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable_slider</key>
+    <param>
+      <key>id</key>
+      <value>costas_alpha</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>label</key>
+      <value>Costas Alpha</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>saved_costas_alpha</value>
+    </param>
+    <param>
+      <key>min</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>max</key>
+      <value>0.5</value>
+    </param>
+    <param>
+      <key>num_steps</key>
+      <value>100</value>
+    </param>
+    <param>
+      <key>style</key>
+      <value>wx.SL_HORIZONTAL</value>
+    </param>
+    <param>
+      <key>converver</key>
+      <value>float_converter</value>
+    </param>
+    <param>
+      <key>grid_pos</key>
+      <value>1, 0, 1, 1</value>
+    </param>
+    <param>
+      <key>notebook</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(738, 13)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable_config</key>
+    <param>
+      <key>id</key>
+      <value>saved_costas_alpha</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>0.005</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>real</value>
+    </param>
+    <param>
+      <key>config_file</key>
+      <value>config_filename</value>
+    </param>
+    <param>
+      <key>section</key>
+      <value>main</value>
+    </param>
+    <param>
+      <key>option</key>
+      <value>costas_alpha</value>
+    </param>
+    <param>
+      <key>writeback</key>
+      <value>costas_alpha</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(739, 170)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable_config</key>
+    <param>
+      <key>id</key>
+      <value>saved_gain_mu</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>0.005</value>
+    </param>
+    <param>
+      <key>type</key>
+      <value>real</value>
+    </param>
+    <param>
+      <key>config_file</key>
+      <value>config_filename</value>
+    </param>
+    <param>
+      <key>section</key>
+      <value>main</value>
+    </param>
+    <param>
+      <key>option</key>
+      <value>gain_mu</value>
+    </param>
+    <param>
+      <key>writeback</key>
+      <value>gain_mu</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(900, 170)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable_slider</key>
+    <param>
+      <key>id</key>
+      <value>gain_mu</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>label</key>
+      <value>Gain Mu</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>saved_gain_mu</value>
+    </param>
+    <param>
+      <key>min</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>max</key>
+      <value>0.5</value>
+    </param>
+    <param>
+      <key>num_steps</key>
+      <value>100</value>
+    </param>
+    <param>
+      <key>style</key>
+      <value>wx.SL_HORIZONTAL</value>
+    </param>
+    <param>
+      <key>converver</key>
+      <value>float_converter</value>
+    </param>
+    <param>
+      <key>grid_pos</key>
+      <value>1, 1, 1, 1</value>
+    </param>
+    <param>
+      <key>notebook</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(902, 13)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <block>
+    <key>variable</key>
+    <param>
+      <key>id</key>
+      <value>config_filename</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>"usrp_rx_lrit.cfg"</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(13, 283)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
+  <connection>
+    <source_block_id>usrp_simple_source_x_0</source_block_id>
+    <sink_block_id>gr_agc_xx_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>gr_agc_xx_0</source_block_id>
+    <sink_block_id>wxgui_scopesink2_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>gr_file_source_0</source_block_id>
+    <sink_block_id>gr_throttle_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>gr_throttle_0</source_block_id>
+    <sink_block_id>gr_agc_xx_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>gr_probe_mpsk_snr_c_0</source_block_id>
+    <sink_block_id>wxgui_numbersink2_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>gr_mpsk_receiver_cc_0</source_block_id>
+    <sink_block_id>gr_probe_mpsk_snr_c_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>gr_agc_xx_0</source_block_id>
+    <sink_block_id>gr_mpsk_receiver_cc_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>gr_mpsk_receiver_cc_0</source_block_id>
+    <sink_block_id>wxgui_scopesink2_1</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>gr_agc_xx_0</source_block_id>
+    <sink_block_id>wxgui_fftsink2_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>gr_mpsk_receiver_cc_0</source_block_id>
+    <sink_block_id>gr_complex_to_real_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>gr_complex_to_real_0</source_block_id>
+    <sink_block_id>gr_binary_slicer_fb_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>gr_binary_slicer_fb_0</source_block_id>
+    <sink_block_id>gr_char_to_float_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>gr_char_to_float_0</source_block_id>
+    <sink_block_id>gr_add_const_vxx_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>gr_add_const_vxx_0</source_block_id>
+    <sink_block_id>gr_float_to_char_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+  <connection>
+    <source_block_id>gr_float_to_char_0</source_block_id>
+    <sink_block_id>gr_file_sink_0</sink_block_id>
+    <source_key>0</source_key>
+    <sink_key>0</sink_key>
+  </connection>
+</flow_graph>

diff --git a/gr-noaa/grc/usrp_rx_lrit.py b/gr-noaa/grc/usrp_rx_lrit.py
new file mode 100755 (executable)
index 0000000..bc313e3
--- /dev/null
+++ b/gr-noaa/grc/usrp_rx_lrit.py
@@ -0,0 +1,399 @@
+#!/usr/bin/env python
+##################################################
+# Gnuradio Python Flow Graph
+# Title: USRP LRIT Receiver
+# Generated: Sat Aug 29 11:26:03 2009
+##################################################
+
+from gnuradio import gr
+from gnuradio.eng_option import eng_option
+from gnuradio.wxgui import fftsink2
+from gnuradio.wxgui import forms
+from gnuradio.wxgui import numbersink2
+from gnuradio.wxgui import scopesink2
+from grc_gnuradio import blks2 as grc_blks2
+from grc_gnuradio import wxgui as grc_wxgui
+from optparse import OptionParser
+import ConfigParser
+import wx
+
+class usrp_rx_lrit(grc_wxgui.top_block_gui):
+
+       def __init__(self):
+               grc_wxgui.top_block_gui.__init__(self, title="USRP LRIT Receiver")
+
+               ##################################################
+               # Variables
+               ##################################################
+               self.config_filename = config_filename = "usrp_rx_lrit.cfg"
+               self._saved_decim_config = ConfigParser.ConfigParser()
+               self._saved_decim_config.read(config_filename)
+               try: saved_decim = self._saved_decim_config.getint("main", "decim")
+               except: saved_decim = 160
+               self.saved_decim = saved_decim
+               self.decim = decim = saved_decim
+               self.symbol_rate = symbol_rate = 293e3
+               self._saved_gain_mu_config = ConfigParser.ConfigParser()
+               self._saved_gain_mu_config.read(config_filename)
+               try: saved_gain_mu = self._saved_gain_mu_config.getfloat("main", "gain_mu")
+               except: saved_gain_mu = 0.005
+               self.saved_gain_mu = saved_gain_mu
+               self._saved_gain_config = ConfigParser.ConfigParser()
+               self._saved_gain_config.read(config_filename)
+               try: saved_gain = self._saved_gain_config.getfloat("main", "gain")
+               except: saved_gain = 33
+               self.saved_gain = saved_gain
+               self._saved_freq_config = ConfigParser.ConfigParser()
+               self._saved_freq_config.read(config_filename)
+               try: saved_freq = self._saved_freq_config.getfloat("main", "freq")
+               except: saved_freq = 137e6
+               self.saved_freq = saved_freq
+               self._saved_costas_alpha_config = ConfigParser.ConfigParser()
+               self._saved_costas_alpha_config.read(config_filename)
+               try: saved_costas_alpha = self._saved_costas_alpha_config.getfloat("main", "costas_alpha")
+               except: saved_costas_alpha = 0.005
+               self.saved_costas_alpha = saved_costas_alpha
+               self.samp_rate = samp_rate = 64e6/decim
+               self.sps = sps = samp_rate/symbol_rate
+               self.gain_mu = gain_mu = saved_gain_mu
+               self.gain = gain = saved_gain
+               self.freq = freq = saved_freq
+               self.costas_alpha = costas_alpha = saved_costas_alpha
+
+               ##################################################
+               # Notebooks
+               ##################################################
+               self.displays = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
+               self.displays.AddPage(grc_wxgui.Panel(self.displays), "USRP RX")
+               self.displays.AddPage(grc_wxgui.Panel(self.displays), "Costas Output")
+               self.GridAdd(self.displays, 2, 0, 1, 3)
+
+               ##################################################
+               # Controls
+               ##################################################
+               self._decim_text_box = forms.text_box(
+                       parent=self.GetWin(),
+                       value=self.decim,
+                       callback=self.set_decim,
+                       label="Decim",
+                       converter=forms.int_converter(),
+               )
+               self.GridAdd(self._decim_text_box, 0, 0, 1, 1)
+               _gain_mu_sizer = wx.BoxSizer(wx.VERTICAL)
+               self._gain_mu_text_box = forms.text_box(
+                       parent=self.GetWin(),
+                       sizer=_gain_mu_sizer,
+                       value=self.gain_mu,
+                       callback=self.set_gain_mu,
+                       label="Gain Mu",
+                       converter=forms.float_converter(),
+                       proportion=0,
+               )
+               self._gain_mu_slider = forms.slider(
+                       parent=self.GetWin(),
+                       sizer=_gain_mu_sizer,
+                       value=self.gain_mu,
+                       callback=self.set_gain_mu,
+                       minimum=0,
+                       maximum=0.5,
+                       num_steps=100,
+                       style=wx.SL_HORIZONTAL,
+                       cast=float,
+                       proportion=1,
+               )
+               self.GridAdd(_gain_mu_sizer, 1, 1, 1, 1)
+               _gain_sizer = wx.BoxSizer(wx.VERTICAL)
+               self._gain_text_box = forms.text_box(
+                       parent=self.GetWin(),
+                       sizer=_gain_sizer,
+                       value=self.gain,
+                       callback=self.set_gain,
+                       label="Gain",
+                       converter=forms.float_converter(),
+                       proportion=0,
+               )
+               self._gain_slider = forms.slider(
+                       parent=self.GetWin(),
+                       sizer=_gain_sizer,
+                       value=self.gain,
+                       callback=self.set_gain,
+                       minimum=0,
+                       maximum=115,
+                       num_steps=115,
+                       style=wx.SL_HORIZONTAL,
+                       cast=float,
+                       proportion=1,
+               )
+               self.GridAdd(_gain_sizer, 0, 1, 1, 1)
+               _freq_sizer = wx.BoxSizer(wx.VERTICAL)
+               self._freq_text_box = forms.text_box(
+                       parent=self.GetWin(),
+                       sizer=_freq_sizer,
+                       value=self.freq,
+                       callback=self.set_freq,
+                       label="Frequency",
+                       converter=forms.float_converter(),
+                       proportion=0,
+               )
+               self._freq_slider = forms.slider(
+                       parent=self.GetWin(),
+                       sizer=_freq_sizer,
+                       value=self.freq,
+                       callback=self.set_freq,
+                       minimum=135e6,
+                       maximum=139e6,
+                       num_steps=400,
+                       style=wx.SL_HORIZONTAL,
+                       cast=float,
+                       proportion=1,
+               )
+               self.GridAdd(_freq_sizer, 0, 2, 1, 1)
+               _costas_alpha_sizer = wx.BoxSizer(wx.VERTICAL)
+               self._costas_alpha_text_box = forms.text_box(
+                       parent=self.GetWin(),
+                       sizer=_costas_alpha_sizer,
+                       value=self.costas_alpha,
+                       callback=self.set_costas_alpha,
+                       label="Costas Alpha",
+                       converter=forms.float_converter(),
+                       proportion=0,
+               )
+               self._costas_alpha_slider = forms.slider(
+                       parent=self.GetWin(),
+                       sizer=_costas_alpha_sizer,
+                       value=self.costas_alpha,
+                       callback=self.set_costas_alpha,
+                       minimum=0,
+                       maximum=0.5,
+                       num_steps=100,
+                       style=wx.SL_HORIZONTAL,
+                       cast=float,
+                       proportion=1,
+               )
+               self.GridAdd(_costas_alpha_sizer, 1, 0, 1, 1)
+
+               ##################################################
+               # Blocks
+               ##################################################
+               self.gr_add_const_vxx_0 = gr.add_const_vff((48.0, ))
+               self.gr_agc_xx_0 = gr.agc_cc(1e-6, 1.0, 1.0/32767.0, 1.0)
+               self.gr_binary_slicer_fb_0 = gr.binary_slicer_fb()
+               self.gr_char_to_float_0 = gr.char_to_float()
+               self.gr_complex_to_real_0 = gr.complex_to_real(1)
+               self.gr_file_sink_0 = gr.file_sink(gr.sizeof_char*1, "bits.dat")
+               self.gr_file_source_0 = gr.file_source(gr.sizeof_gr_complex*1, "lrit.dat", False)
+               self.gr_float_to_char_0 = gr.float_to_char()
+               self.gr_mpsk_receiver_cc_0 = gr.mpsk_receiver_cc(2, 0, costas_alpha, costas_alpha*costas_alpha/4.0, -0.05, 0.05, 0.5, gain_mu, sps, gain_mu*gain_mu/4.0, 0.05)
+               self.gr_probe_mpsk_snr_c_0 = grc_blks2.probe_mpsk_snr_c(
+                       type='snr',
+                       alpha=0.0001,
+                       probe_rate=10,
+               )
+               self.gr_throttle_0 = gr.throttle(gr.sizeof_gr_complex*1, samp_rate)
+               self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
+                       self.displays.GetPage(0).GetWin(),
+                       baseband_freq=freq,
+                       y_per_div=10,
+                       y_divs=10,
+                       ref_level=50,
+                       sample_rate=samp_rate,
+                       fft_size=1024,
+                       fft_rate=30,
+                       average=False,
+                       avg_alpha=None,
+                       title="Spectrum",
+                       peak_hold=False,
+               )
+               self.displays.GetPage(0).GridAdd(self.wxgui_fftsink2_0.win, 0, 0, 1, 1)
+               self.wxgui_numbersink2_0 = numbersink2.number_sink_f(
+                       self.displays.GetPage(1).GetWin(),
+                       unit="dB",
+                       minval=0,
+                       maxval=30,
+                       factor=1.0,
+                       decimal_places=1,
+                       ref_level=0,
+                       sample_rate=10,
+                       number_rate=10,
+                       average=False,
+                       avg_alpha=None,
+                       label="SNR",
+                       peak_hold=False,
+                       show_gauge=True,
+               )
+               self.displays.GetPage(1).GridAdd(self.wxgui_numbersink2_0.win, 2, 0, 1, 1)
+               self.wxgui_scopesink2_0 = scopesink2.scope_sink_c(
+                       self.displays.GetPage(0).GetWin(),
+                       title="Waveform",
+                       sample_rate=samp_rate,
+                       v_scale=0.5,
+                       t_scale=20.0/samp_rate,
+                       ac_couple=False,
+                       xy_mode=True,
+                       num_inputs=1,
+               )
+               self.displays.GetPage(0).GridAdd(self.wxgui_scopesink2_0.win, 1, 0, 1, 1)
+               self.wxgui_scopesink2_1 = scopesink2.scope_sink_c(
+                       self.displays.GetPage(1).GetWin(),
+                       title="Scope Plot",
+                       sample_rate=samp_rate,
+                       v_scale=0.4,
+                       t_scale=20.0/samp_rate,
+                       ac_couple=False,
+                       xy_mode=True,
+                       num_inputs=1,
+               )
+               self.displays.GetPage(1).GridAdd(self.wxgui_scopesink2_1.win, 0, 0, 1, 1)
+
+               ##################################################
+               # Connections
+               ##################################################
+               self.connect((self.gr_agc_xx_0, 0), (self.wxgui_scopesink2_0, 0))
+               self.connect((self.gr_file_source_0, 0), (self.gr_throttle_0, 0))
+               self.connect((self.gr_throttle_0, 0), (self.gr_agc_xx_0, 0))
+               self.connect((self.gr_probe_mpsk_snr_c_0, 0), (self.wxgui_numbersink2_0, 0))
+               self.connect((self.gr_mpsk_receiver_cc_0, 0), (self.gr_probe_mpsk_snr_c_0, 0))
+               self.connect((self.gr_agc_xx_0, 0), (self.gr_mpsk_receiver_cc_0, 0))
+               self.connect((self.gr_mpsk_receiver_cc_0, 0), (self.wxgui_scopesink2_1, 0))
+               self.connect((self.gr_agc_xx_0, 0), (self.wxgui_fftsink2_0, 0))
+               self.connect((self.gr_mpsk_receiver_cc_0, 0), (self.gr_complex_to_real_0, 0))
+               self.connect((self.gr_complex_to_real_0, 0), (self.gr_binary_slicer_fb_0, 0))
+               self.connect((self.gr_binary_slicer_fb_0, 0), (self.gr_char_to_float_0, 0))
+               self.connect((self.gr_char_to_float_0, 0), (self.gr_add_const_vxx_0, 0))
+               self.connect((self.gr_add_const_vxx_0, 0), (self.gr_float_to_char_0, 0))
+               self.connect((self.gr_float_to_char_0, 0), (self.gr_file_sink_0, 0))
+
+       def set_config_filename(self, config_filename):
+               self.config_filename = config_filename
+               self._saved_decim_config = ConfigParser.ConfigParser()
+               self._saved_decim_config.read(self.config_filename)
+               if not self._saved_decim_config.has_section("main"):
+                       self._saved_decim_config.add_section("main")
+               self._saved_decim_config.set("main", "decim", str(self.decim))
+               self._saved_decim_config.write(open(self.config_filename, 'w'))
+               self._saved_gain_config = ConfigParser.ConfigParser()
+               self._saved_gain_config.read(self.config_filename)
+               if not self._saved_gain_config.has_section("main"):
+                       self._saved_gain_config.add_section("main")
+               self._saved_gain_config.set("main", "gain", str(self.gain))
+               self._saved_gain_config.write(open(self.config_filename, 'w'))
+               self._saved_freq_config = ConfigParser.ConfigParser()
+               self._saved_freq_config.read(self.config_filename)
+               if not self._saved_freq_config.has_section("main"):
+                       self._saved_freq_config.add_section("main")
+               self._saved_freq_config.set("main", "freq", str(self.freq))
+               self._saved_freq_config.write(open(self.config_filename, 'w'))
+               self._saved_costas_alpha_config = ConfigParser.ConfigParser()
+               self._saved_costas_alpha_config.read(self.config_filename)
+               if not self._saved_costas_alpha_config.has_section("main"):
+                       self._saved_costas_alpha_config.add_section("main")
+               self._saved_costas_alpha_config.set("main", "costas_alpha", str(self.costas_alpha))
+               self._saved_costas_alpha_config.write(open(self.config_filename, 'w'))
+               self._saved_gain_mu_config = ConfigParser.ConfigParser()
+               self._saved_gain_mu_config.read(self.config_filename)
+               if not self._saved_gain_mu_config.has_section("main"):
+                       self._saved_gain_mu_config.add_section("main")
+               self._saved_gain_mu_config.set("main", "gain_mu", str(self.gain_mu))
+               self._saved_gain_mu_config.write(open(self.config_filename, 'w'))
+
+       def set_saved_decim(self, saved_decim):
+               self.saved_decim = saved_decim
+               self.set_decim(self.saved_decim)
+
+       def set_decim(self, decim):
+               self.decim = decim
+               self.set_samp_rate(64e6/self.decim)
+               self._decim_text_box.set_value(self.decim)
+               self._saved_decim_config = ConfigParser.ConfigParser()
+               self._saved_decim_config.read(self.config_filename)
+               if not self._saved_decim_config.has_section("main"):
+                       self._saved_decim_config.add_section("main")
+               self._saved_decim_config.set("main", "decim", str(self.decim))
+               self._saved_decim_config.write(open(self.config_filename, 'w'))
+
+       def set_symbol_rate(self, symbol_rate):
+               self.symbol_rate = symbol_rate
+               self.set_sps(self.samp_rate/self.symbol_rate)
+
+       def set_saved_gain_mu(self, saved_gain_mu):
+               self.saved_gain_mu = saved_gain_mu
+               self.set_gain_mu(self.saved_gain_mu)
+
+       def set_saved_gain(self, saved_gain):
+               self.saved_gain = saved_gain
+               self.set_gain(self.saved_gain)
+
+       def set_saved_freq(self, saved_freq):
+               self.saved_freq = saved_freq
+               self.set_freq(self.saved_freq)
+
+       def set_saved_costas_alpha(self, saved_costas_alpha):
+               self.saved_costas_alpha = saved_costas_alpha
+               self.set_costas_alpha(self.saved_costas_alpha)
+
+       def set_samp_rate(self, samp_rate):
+               self.samp_rate = samp_rate
+               self.set_sps(self.samp_rate/self.symbol_rate)
+               self.wxgui_scopesink2_0.set_sample_rate(self.samp_rate)
+               self.wxgui_fftsink2_0.set_sample_rate(self.samp_rate)
+               self.wxgui_scopesink2_1.set_sample_rate(self.samp_rate)
+
+       def set_sps(self, sps):
+               self.sps = sps
+               self.gr_mpsk_receiver_cc_0.set_omega(self.sps)
+
+       def set_gain_mu(self, gain_mu):
+               self.gain_mu = gain_mu
+               self.gr_mpsk_receiver_cc_0.set_gain_mu(self.gain_mu)
+               self.gr_mpsk_receiver_cc_0.set_gain_omega(self.gain_mu*self.gain_mu/4.0)
+               self._saved_gain_mu_config = ConfigParser.ConfigParser()
+               self._saved_gain_mu_config.read(self.config_filename)
+               if not self._saved_gain_mu_config.has_section("main"):
+                       self._saved_gain_mu_config.add_section("main")
+               self._saved_gain_mu_config.set("main", "gain_mu", str(self.gain_mu))
+               self._saved_gain_mu_config.write(open(self.config_filename, 'w'))
+               self._gain_mu_slider.set_value(self.gain_mu)
+               self._gain_mu_text_box.set_value(self.gain_mu)
+
+       def set_gain(self, gain):
+               self.gain = gain
+               self._gain_slider.set_value(self.gain)
+               self._gain_text_box.set_value(self.gain)
+               self._saved_gain_config = ConfigParser.ConfigParser()
+               self._saved_gain_config.read(self.config_filename)
+               if not self._saved_gain_config.has_section("main"):
+                       self._saved_gain_config.add_section("main")
+               self._saved_gain_config.set("main", "gain", str(self.gain))
+               self._saved_gain_config.write(open(self.config_filename, 'w'))
+
+       def set_freq(self, freq):
+               self.freq = freq
+               self.wxgui_fftsink2_0.set_baseband_freq(self.freq)
+               self._freq_slider.set_value(self.freq)
+               self._freq_text_box.set_value(self.freq)
+               self._saved_freq_config = ConfigParser.ConfigParser()
+               self._saved_freq_config.read(self.config_filename)
+               if not self._saved_freq_config.has_section("main"):
+                       self._saved_freq_config.add_section("main")
+               self._saved_freq_config.set("main", "freq", str(self.freq))
+               self._saved_freq_config.write(open(self.config_filename, 'w'))
+
+       def set_costas_alpha(self, costas_alpha):
+               self.costas_alpha = costas_alpha
+               self.gr_mpsk_receiver_cc_0.set_alpha(self.costas_alpha)
+               self.gr_mpsk_receiver_cc_0.set_beta(self.costas_alpha*self.costas_alpha/4.0)
+               self._costas_alpha_slider.set_value(self.costas_alpha)
+               self._costas_alpha_text_box.set_value(self.costas_alpha)
+               self._saved_costas_alpha_config = ConfigParser.ConfigParser()
+               self._saved_costas_alpha_config.read(self.config_filename)
+               if not self._saved_costas_alpha_config.has_section("main"):
+                       self._saved_costas_alpha_config.add_section("main")
+               self._saved_costas_alpha_config.set("main", "costas_alpha", str(self.costas_alpha))
+               self._saved_costas_alpha_config.write(open(self.config_filename, 'w'))
+
+if __name__ == '__main__':
+       parser = OptionParser(option_class=eng_option, usage="%prog: [options]")
+       (options, args) = parser.parse_args()
+       tb = usrp_rx_lrit()
+       tb.Run(True)
+

diff --git a/gr-noaa/lib/Makefile.am b/gr-noaa/lib/Makefile.am
index 39a4f11555e851593278c00606db403e65bd6ea9..2690ddb54e32909da35d9b179c176c6782c8a4bc 100644 (file)
--- a/gr-noaa/lib/Makefile.am
+++ b/gr-noaa/lib/Makefile.am
@@ -29,7 +29,8 @@ lib_LTLIBRARIES = \
        libgnuradio-noaa.la
 
 libgnuradio_noaa_la_SOURCES = \
-       noaa_carrier_pll_cc.cc
+       noaa_hrpt_pll_cc.cc \
+       noaa_hrpt_sync_cc.cc
 
 libgnuradio_noaa_la_LIBADD = \
        $(GNURADIO_CORE_LA)
@@ -37,4 +38,5 @@ libgnuradio_noaa_la_LIBADD = \
 libgnuradio_noaa_la_LDFLAGS = $(NO_UNDEFINED) -version-info 0:0:0
 
 grinclude_HEADERS = \
-       noaa_carrier_pll_cc.h
+       noaa_hrpt_pll_cc.h \
+       noaa_hrpt_sync_cc.h

diff --git a/gr-noaa/lib/noaa_carrier_pll_cc.cc b/gr-noaa/lib/noaa_carrier_pll_cc.cc
deleted file mode 100644 (file)
index d6a86fa..0000000
--- a/gr-noaa/lib/noaa_carrier_pll_cc.cc
+++ /dev/null
@@ -1,82 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2009 Free Software Foundation, Inc.
- * 
- * This file is part of GNU Radio
- * 
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
- * 
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <noaa_carrier_pll_cc.h>
-#include <gr_io_signature.h>
-#include <gr_math.h>
-#include <gr_sincos.h>
-
-#define M_TWOPI (2*M_PI)
-
-noaa_carrier_pll_cc_sptr
-noaa_make_carrier_pll_cc(float alpha, float beta, float max_offset)
-{
-  return gnuradio::get_initial_sptr(new noaa_carrier_pll_cc(alpha, beta, max_offset));
-}
-
-noaa_carrier_pll_cc::noaa_carrier_pll_cc(float alpha, float beta, float max_offset)
-  : gr_sync_block("noaa_carrier_pll_cc",
-                 gr_make_io_signature(1, 1, sizeof(gr_complex)),
-                 gr_make_io_signature(1, 1, sizeof(gr_complex))),
-    d_alpha(alpha), d_beta(beta), d_max_offset(max_offset),
-    d_phase(0.0), d_freq(0.0)
-{
-}
-
-float
-phase_wrap(float phase)
-{
-  while (phase < -M_PI)
-    phase += M_TWOPI;
-  while (phase > M_PI)
-    phase -= M_TWOPI;
-
-  return phase;
-}
-
-int
-noaa_carrier_pll_cc::work(int noutput_items,
-                         gr_vector_const_void_star &input_items,
-                         gr_vector_void_star &output_items)
-{
-  const gr_complex *in = (const gr_complex *) input_items[0];
-  gr_complex *out = (gr_complex *) output_items[0];
-
-  for (int i = 0; i < noutput_items; i++) {
-
-    // Adjust PLL phase/frequency
-    float error = phase_wrap(gr_fast_atan2f(in[i].imag(), in[i].real()) - d_phase);
-    d_freq  = gr_branchless_clip(d_freq + error*d_beta, d_max_offset);
-    d_phase = phase_wrap(d_phase + error*d_alpha + d_freq);
-
-    // Generate and mix out carrier
-    float re, im;
-    gr_sincosf(d_phase, &im, &re);
-    out[i] = in[i]*gr_complex(re, -im);
-  }
-
-  return noutput_items;
-}

diff --git a/gr-noaa/lib/noaa_carrier_pll_cc.h b/gr-noaa/lib/noaa_carrier_pll_cc.h
deleted file mode 100644 (file)
index 8e6de86..0000000
--- a/gr-noaa/lib/noaa_carrier_pll_cc.h
+++ /dev/null
@@ -1,55 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2009 Free Software Foundation, Inc.
- * 
- * This file is part of GNU Radio
- * 
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
- * 
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
- */
-
-#ifndef INCLUDED_NOAA_CARRIER_PLL_CC_H
-#define INCLUDED_NOAA_CARRIER_PLL_CC_H
-
-#include <gr_sync_block.h>
-
-class noaa_carrier_pll_cc;
-typedef boost::shared_ptr<noaa_carrier_pll_cc> noaa_carrier_pll_cc_sptr;
-
-noaa_carrier_pll_cc_sptr
-noaa_make_carrier_pll_cc(float alpha, float beta, float max_offset);
-
-class noaa_carrier_pll_cc : public gr_sync_block
-{
-  friend noaa_carrier_pll_cc_sptr noaa_make_carrier_pll_cc(float alpha, float beta, float max_offset);
-  noaa_carrier_pll_cc(float alpha, float beta, float max_offset);
-
-  float d_alpha;               // 1st order loop constant
-  float d_beta;                        // 2nd order loop constant
-  float d_max_offset;          // Maximum frequency offset, radians/sample
-  float d_phase;               // Instantaneous carrier phase
-  float d_freq;                        // Instantaneous carrier frequency, radians/sample
-
- public:
-  virtual int work(int noutput_items,
-                  gr_vector_const_void_star &input_items,
-                  gr_vector_void_star &output_items);
-
-  void set_alpha(float alpha) { d_alpha = alpha; }
-  void set_beta(float beta) { d_beta = beta; }
-  void set_max_offset(float max_offset) { d_max_offset = max_offset; }
-};
-
-#endif /* INCLUDED_NOAA_CARRIER_PLL_CC_H */

diff --git a/gr-noaa/lib/noaa_hrpt_pll_cc.cc b/gr-noaa/lib/noaa_hrpt_pll_cc.cc
new file mode 100644 (file)
index 0000000..46fe24d
--- /dev/null
+++ b/gr-noaa/lib/noaa_hrpt_pll_cc.cc
@@ -0,0 +1,82 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2009 Free Software Foundation, Inc.
+ * 
+ * This file is part of GNU Radio
+ * 
+ * GNU Radio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ * 
+ * GNU Radio is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Radio; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <noaa_hrpt_pll_cc.h>
+#include <gr_io_signature.h>
+#include <gr_math.h>
+#include <gr_sincos.h>
+
+#define M_TWOPI (2*M_PI)
+
+noaa_hrpt_pll_cc_sptr
+noaa_make_hrpt_pll_cc(float alpha, float beta, float max_offset)
+{
+  return gnuradio::get_initial_sptr(new noaa_hrpt_pll_cc(alpha, beta, max_offset));
+}
+
+noaa_hrpt_pll_cc::noaa_hrpt_pll_cc(float alpha, float beta, float max_offset)
+  : gr_sync_block("noaa_hrpt_pll_cc",
+                 gr_make_io_signature(1, 1, sizeof(gr_complex)),
+                 gr_make_io_signature(1, 1, sizeof(gr_complex))),
+    d_alpha(alpha), d_beta(beta), d_max_offset(max_offset),
+    d_phase(0.0), d_freq(0.0)
+{
+}
+
+float
+phase_wrap(float phase)
+{
+  while (phase < -M_PI)
+    phase += M_TWOPI;
+  while (phase > M_PI)
+    phase -= M_TWOPI;
+
+  return phase;
+}
+
+int
+noaa_hrpt_pll_cc::work(int noutput_items,
+                         gr_vector_const_void_star &input_items,
+                         gr_vector_void_star &output_items)
+{
+  const gr_complex *in = (const gr_complex *) input_items[0];
+  gr_complex *out = (gr_complex *) output_items[0];
+
+  for (int i = 0; i < noutput_items; i++) {
+
+    // Adjust PLL phase/frequency
+    float error = phase_wrap(gr_fast_atan2f(in[i].imag(), in[i].real()) - d_phase);
+    d_freq  = gr_branchless_clip(d_freq + error*d_beta, d_max_offset);
+    d_phase = phase_wrap(d_phase + error*d_alpha + d_freq);
+
+    // Generate and mix out carrier
+    float re, im;
+    gr_sincosf(d_phase, &im, &re);
+    out[i] = in[i]*gr_complex(re, -im);
+  }
+
+  return noutput_items;
+}

diff --git a/gr-noaa/lib/noaa_hrpt_pll_cc.h b/gr-noaa/lib/noaa_hrpt_pll_cc.h
new file mode 100644 (file)
index 0000000..8104544
--- /dev/null
+++ b/gr-noaa/lib/noaa_hrpt_pll_cc.h
@@ -0,0 +1,55 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2009 Free Software Foundation, Inc.
+ * 
+ * This file is part of GNU Radio
+ * 
+ * GNU Radio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ * 
+ * GNU Radio is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Radio; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef INCLUDED_NOAA_HRPT_PLL_CC_H
+#define INCLUDED_NOAA_HRPT_PLL_CC_H
+
+#include <gr_sync_block.h>
+
+class noaa_hrpt_pll_cc;
+typedef boost::shared_ptr<noaa_hrpt_pll_cc> noaa_hrpt_pll_cc_sptr;
+
+noaa_hrpt_pll_cc_sptr
+noaa_make_hrpt_pll_cc(float alpha, float beta, float max_offset);
+
+class noaa_hrpt_pll_cc : public gr_sync_block
+{
+  friend noaa_hrpt_pll_cc_sptr noaa_make_hrpt_pll_cc(float alpha, float beta, float max_offset);
+  noaa_hrpt_pll_cc(float alpha, float beta, float max_offset);
+
+  float d_alpha;               // 1st order loop constant
+  float d_beta;                        // 2nd order loop constant
+  float d_max_offset;          // Maximum frequency offset, radians/sample
+  float d_phase;               // Instantaneous carrier phase
+  float d_freq;                        // Instantaneous carrier frequency, radians/sample
+
+ public:
+  virtual int work(int noutput_items,
+                  gr_vector_const_void_star &input_items,
+                  gr_vector_void_star &output_items);
+
+  void set_alpha(float alpha) { d_alpha = alpha; }
+  void set_beta(float beta) { d_beta = beta; }
+  void set_max_offset(float max_offset) { d_max_offset = max_offset; }
+};
+
+#endif /* INCLUDED_NOAA_HRPT_PLL_CC_H */

diff --git a/gr-noaa/lib/noaa_hrpt_sync_cc.cc b/gr-noaa/lib/noaa_hrpt_sync_cc.cc
new file mode 100644 (file)
index 0000000..47858d7
--- /dev/null
+++ b/gr-noaa/lib/noaa_hrpt_sync_cc.cc
@@ -0,0 +1,62 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2009 Free Software Foundation, Inc.
+ * 
+ * This file is part of GNU Radio
+ * 
+ * GNU Radio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ * 
+ * GNU Radio is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Radio; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <noaa_hrpt_sync_cc.h>
+#include <gr_io_signature.h>
+
+noaa_hrpt_sync_cc_sptr
+noaa_make_hrpt_sync_cc(float alpha, float beta, float sps, float max_offset)
+{
+  return gnuradio::get_initial_sptr(new noaa_hrpt_sync_cc(alpha, beta, sps, max_offset));
+}
+
+noaa_hrpt_sync_cc::noaa_hrpt_sync_cc(float alpha, float beta, float sps, float max_offset)
+  : gr_block("noaa_hrpt_sync_cc",
+            gr_make_io_signature(1, 1, sizeof(gr_complex)),
+            gr_make_io_signature(1, 1, sizeof(gr_complex))),
+    d_alpha(alpha), d_beta(beta), d_sps(sps), d_max_offset(max_offset),
+    d_phase(0.0), d_freq(0.0)
+{
+}
+
+int
+noaa_hrpt_sync_cc::general_work(int noutput_items,
+                                gr_vector_int &ninput_items,
+                                gr_vector_const_void_star &input_items,
+                                gr_vector_void_star &output_items)
+{
+  int ninputs = ninput_items[0];
+  const gr_complex *in = (const gr_complex *) input_items[0];
+  gr_complex *out = (gr_complex *) output_items[0];
+
+  int i = 0, j = 0;
+  while (i < ninputs && j < noutput_items) {
+    out[j++] = in[i++];
+  }
+
+  consume_each(i);
+  return j;
+}

diff --git a/gr-noaa/lib/noaa_hrpt_sync_cc.h b/gr-noaa/lib/noaa_hrpt_sync_cc.h
new file mode 100644 (file)
index 0000000..f5b23cc
--- /dev/null
+++ b/gr-noaa/lib/noaa_hrpt_sync_cc.h
@@ -0,0 +1,57 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2009 Free Software Foundation, Inc.
+ * 
+ * This file is part of GNU Radio
+ * 
+ * GNU Radio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ * 
+ * GNU Radio is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Radio; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef INCLUDED_NOAA_HRPT_SYNC_CC_H
+#define INCLUDED_NOAA_HRPT_SYNC_CC_H
+
+#include <gr_sync_block.h>
+
+class noaa_hrpt_sync_cc;
+typedef boost::shared_ptr<noaa_hrpt_sync_cc> noaa_hrpt_sync_cc_sptr;
+
+noaa_hrpt_sync_cc_sptr
+noaa_make_hrpt_sync_cc(float alpha, float beta, float sps, float max_offset);
+
+class noaa_hrpt_sync_cc : public gr_block
+{
+  friend noaa_hrpt_sync_cc_sptr noaa_make_hrpt_sync_cc(float alpha, float beta, float sps, float max_offset);
+  noaa_hrpt_sync_cc(float alpha, float beta, float sps, float max_offset);
+
+  float d_alpha;               // 1st order loop constant
+  float d_beta;                        // 2nd order loop constant
+  float d_sps;                  // samples per symbol
+  float d_max_offset;          // Maximum frequency offset for d_sps, samples/symbol
+  float d_phase;               // Instantaneous symbol phase
+  float d_freq;                        // Instantaneous symbol frequency, samples/symbol
+
+ public:
+  int general_work(int noutput_items,
+                  gr_vector_int &ninput_items,
+                  gr_vector_const_void_star &input_items,
+                  gr_vector_void_star &output_items);
+
+  void set_alpha(float alpha) { d_alpha = alpha; }
+  void set_beta(float beta) { d_beta = beta; }
+  void set_max_offset(float max_offset) { d_max_offset = max_offset; }
+};
+
+#endif /* INCLUDED_NOAA_HRPT_SYNC_CC_H */

diff --git a/gr-noaa/swig/Makefile.am b/gr-noaa/swig/Makefile.am
index 927c6cfb22ba1b757e258e46faa62125d763f7e9..18cb5920ae05c4baeaba63af83f963c9934cd73c 100644 (file)
--- a/gr-noaa/swig/Makefile.am
+++ b/gr-noaa/swig/Makefile.am
@@ -53,7 +53,8 @@ noaa_swig_python = \
 # additional SWIG files to be installed
 noaa_swig_swiginclude_headers =        \
        noaa_swig.i \
-       noaa_carrier_pll_cc.i
+       noaa_hrpt_pll_cc.i \
+       noaa_hrpt_sync_cc.i
 
 include $(top_srcdir)/Makefile.swig
 

diff --git a/gr-noaa/swig/noaa_carrier_pll_cc.i b/gr-noaa/swig/noaa_carrier_pll_cc.i
deleted file mode 100644 (file)
index 4d61f39..0000000
--- a/gr-noaa/swig/noaa_carrier_pll_cc.i
+++ /dev/null
@@ -1,37 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2009 Free Software Foundation, Inc.
- * 
- * This file is part of GNU Radio
- * 
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
- * 
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
- */
-
-GR_SWIG_BLOCK_MAGIC(noaa,carrier_pll_cc)
-
-noaa_carrier_pll_cc_sptr
-noaa_make_carrier_pll_cc(float alpha, float beta, float max_offset);
-
-class noaa_carrier_pll_cc : public gr_sync_block
-{
-private:
-  noaa_carrier_pll_cc();
-
-public:
-  void set_alpha(float alpha);
-  void set_beta(float beta);
-  void set_max_offset(float min_freq);
-};

diff --git a/gr-noaa/swig/noaa_hrpt_pll_cc.i b/gr-noaa/swig/noaa_hrpt_pll_cc.i
new file mode 100644 (file)
index 0000000..a29eaa3
--- /dev/null
+++ b/gr-noaa/swig/noaa_hrpt_pll_cc.i
@@ -0,0 +1,37 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2009 Free Software Foundation, Inc.
+ * 
+ * This file is part of GNU Radio
+ * 
+ * GNU Radio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ * 
+ * GNU Radio is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Radio; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+GR_SWIG_BLOCK_MAGIC(noaa,hrpt_pll_cc)
+
+noaa_hrpt_pll_cc_sptr
+noaa_make_hrpt_pll_cc(float alpha, float beta, float max_offset);
+
+class noaa_hrpt_pll_cc : public gr_sync_block
+{
+private:
+  noaa_hrpt_pll_cc();
+
+public:
+  void set_alpha(float alpha);
+  void set_beta(float beta);
+  void set_max_offset(float min_freq);
+};

diff --git a/gr-noaa/swig/noaa_hrpt_sync_cc.i b/gr-noaa/swig/noaa_hrpt_sync_cc.i
new file mode 100644 (file)
index 0000000..6dcfa57
--- /dev/null
+++ b/gr-noaa/swig/noaa_hrpt_sync_cc.i
@@ -0,0 +1,37 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2009 Free Software Foundation, Inc.
+ * 
+ * This file is part of GNU Radio
+ * 
+ * GNU Radio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ * 
+ * GNU Radio is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Radio; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+GR_SWIG_BLOCK_MAGIC(noaa,hrpt_sync_cc)
+
+noaa_hrpt_sync_cc_sptr
+noaa_make_hrpt_sync_cc(float alpha, float beta, float sps, float max_offset);
+
+class noaa_hrpt_sync_cc : public gr_sync_block
+{
+private:
+  noaa_hrpt_sync_cc();
+
+public:
+  void set_alpha(float alpha);
+  void set_beta(float beta);
+  void set_max_offset(float min_freq);
+};

diff --git a/gr-noaa/swig/noaa_swig.i b/gr-noaa/swig/noaa_swig.i
index 384f4e6a22f09cfab38a1dce5b22a8abcd6525b3..470f5f960e9b7a36c5c544ac59a7229e58fd10d9 100644 (file)
--- a/gr-noaa/swig/noaa_swig.i
+++ b/gr-noaa/swig/noaa_swig.i
@@ -23,7 +23,9 @@
 %include "gnuradio.i"
 
 %{
-#include <noaa_carrier_pll_cc.h>
+#include <noaa_hrpt_pll_cc.h>
+#include <noaa_hrpt_sync_cc.h>
 %}
 
-%include "noaa_carrier_pll_cc.i"
+%include "noaa_hrpt_pll_cc.i"
+%include "noaa_hrpt_sync_cc.i"