updates to reflect 1.0 final build and being available for sale
authorBdale Garbee <bdale@gag.com>
Tue, 27 Apr 2010 17:54:15 +0000 (11:54 -0600)
committerBdale Garbee <bdale@gag.com>
Tue, 27 Apr 2010 17:54:15 +0000 (11:54 -0600)
TeleMetrum/index.mdwn

index a2655deb64865e3744a27b123c760821621a95d4..d38047047a25278a97b4c6f65052535aa17523b5 100644 (file)
@@ -3,11 +3,18 @@
 This is a recording dual-deploy altimeter for high power model rocketry 
 with integrated GPS and telemetry link.  
 
-Production units will be available soon from the 
+Production units are availablefrom the 
 [Garbee and Garbee](http://auric.gag.com) web store.
 
-These are photos of our current version,
-which includes an integrated GPS receiver and patch antenna:
+These are photos of our current production version, which includes an 
+integrated GPS receiver with active patch antenna:
+
+<a href="v1.0/cimg5972-crop.jpg"> <img src="v1.0/cimg5972-thumb.jpg"></a>
+<a href="v1.0/cimg5974-crop.jpg"> <img src="v1.0/cimg5974-thumb.jpg"></a>
+
+These are photos of our second version, which included the integrated Venus
+GPS receiver, but with a passive patch antenna that turned out to have 
+disappointing performance due to our many PCB geometry constraints:
 
 <a href="v0.2/cimg5164-cropped.jpg"> <img src="v0.2/cimg5164-thumb.jpg"></a>
 <a href="v0.2/cimg5171-cropped.jpg"> <img src="v0.2/cimg5171-thumb.jpg"></a>
@@ -74,8 +81,9 @@ always want GPS on board, which lead to our current second generation boards.
                * SPI interface
                * other parts in this Atmel DataFlash series can optionally be used
        * [SkyTraq](http://www.skytraq.com.tw/) Venus634FLPx GPS receiver
-               * on-board passive patch antenna
-               * U.FL connector with 3.3V DC for optional external amplified antenna
+               * on-board [Taoglas AP.17A.01[(http://www.taoglas.com/antennas/GPS_Antennas/Internal_GPS_-_Active_Patch_Modules/) 
+                 single-stage active patch antenna
+               * U.FL connector with 3.3V DC can be re-purposed for optional external amplified antennas
                * async serial interface
        * [Freescale MP3H6115A](http://www.freescale.com/webapp/search.partparamdetail.framework?PART_NUMBER=MP3H6115A6U) pressure sensor
        * [Freescale MMA2202EG](http://www.freescale.com/webapp/search.partparamdetail.framework?PART_NUMBER=MMA2202EG) 50g accelerometer.  Can use 40-200g variants!