git.gag.com Git - debian/gnuradio/blob - gr-noaa/apps/usrp_rx_hrpt.grc

   1 <?xml version='1.0' encoding='ASCII'?>
   2 <flow_graph>
   3   <timestamp>Mon Nov  9 07:56:11 2009</timestamp>
   4   <block>
   5     <key>options</key>
   6     <param>
   7       <key>id</key>
   8       <value>usrp_rx_hrpt</value>
   9     </param>
  10     <param>
  11       <key>_enabled</key>
  12       <value>True</value>
  13     </param>
  14     <param>
  15       <key>title</key>
  16       <value>USRP HRPT Receiver</value>
  17     </param>
  18     <param>
  19       <key>author</key>
  20       <value></value>
  21     </param>
  22     <param>
  23       <key>description</key>
  24       <value></value>
  25     </param>
  26     <param>
  27       <key>window_size</key>
  28       <value>4096,4096</value>
  29     </param>
  30     <param>
  31       <key>generate_options</key>
  32       <value>wx_gui</value>
  33     </param>
  34     <param>
  35       <key>category</key>
  36       <value>Custom</value>
  37     </param>
  38     <param>
  39       <key>run_options</key>
  40       <value>prompt</value>
  41     </param>
  42     <param>
  43       <key>run</key>
  44       <value>True</value>
  45     </param>
  46     <param>
  47       <key>realtime_scheduling</key>
  48       <value></value>
  49     </param>
  50     <param>
  51       <key>_coordinate</key>
  52       <value>(10, 10)</value>
  53     </param>
  54     <param>
  55       <key>_rotation</key>
  56       <value>0</value>
  57     </param>
  58   </block>
  59   <block>
  60     <key>variable</key>
  61     <param>
  62       <key>id</key>
  63       <value>max_carrier_offset</value>
  64     </param>
  65     <param>
  66       <key>_enabled</key>
  67       <value>True</value>
  68     </param>
  69     <param>
  70       <key>value</key>
  71       <value>2*math.pi*100e3/sample_rate</value>
  72     </param>
  73     <param>
  74       <key>_coordinate</key>
  75       <value>(575, 19)</value>
  76     </param>
  77     <param>
  78       <key>_rotation</key>
  79       <value>0</value>
  80     </param>
  81   </block>
  82   <block>
  83     <key>variable</key>
  84     <param>
  85       <key>id</key>
  86       <value>sym_rate</value>
  87     </param>
  88     <param>
  89       <key>_enabled</key>
  90       <value>True</value>
  91     </param>
  92     <param>
  93       <key>value</key>
  94       <value>600*1109</value>
  95     </param>
  96     <param>
  97       <key>_coordinate</key>
  98       <value>(301, 19)</value>
  99     </param>
 100     <param>
 101       <key>_rotation</key>
 102       <value>0</value>
 103     </param>
 104   </block>
 105   <block>
 106     <key>variable</key>
 107     <param>
 108       <key>id</key>
 109       <value>sps</value>
 110     </param>
 111     <param>
 112       <key>_enabled</key>
 113       <value>True</value>
 114     </param>
 115     <param>
 116       <key>value</key>
 117       <value>sample_rate/sym_rate</value>
 118     </param>
 119     <param>
 120       <key>_coordinate</key>
 121       <value>(397, 19)</value>
 122     </param>
 123     <param>
 124       <key>_rotation</key>
 125       <value>0</value>
 126     </param>
 127   </block>
 128   <block>
 129     <key>variable</key>
 130     <param>
 131       <key>id</key>
 132       <value>hs</value>
 133     </param>
 134     <param>
 135       <key>_enabled</key>
 136       <value>True</value>
 137     </param>
 138     <param>
 139       <key>value</key>
 140       <value>int(sps/2.0)</value>
 141     </param>
 142     <param>
 143       <key>_coordinate</key>
 144       <value>(499, 19)</value>
 145     </param>
 146     <param>
 147       <key>_rotation</key>
 148       <value>0</value>
 149     </param>
 150   </block>
 151   <block>
 152     <key>variable</key>
 153     <param>
 154       <key>id</key>
 155       <value>sample_rate</value>
 156     </param>
 157     <param>
 158       <key>_enabled</key>
 159       <value>True</value>
 160     </param>
 161     <param>
 162       <key>value</key>
 163       <value>64e6/decim</value>
 164     </param>
 165     <param>
 166       <key>_coordinate</key>
 167       <value>(198, 17)</value>
 168     </param>
 169     <param>
 170       <key>_rotation</key>
 171       <value>0</value>
 172     </param>
 173   </block>
 174   <block>
 175     <key>variable_slider</key>
 176     <param>
 177       <key>id</key>
 178       <value>gain</value>
 179     </param>
 180     <param>
 181       <key>_enabled</key>
 182       <value>True</value>
 183     </param>
 184     <param>
 185       <key>label</key>
 186       <value>RX Gain</value>
 187     </param>
 188     <param>
 189       <key>value</key>
 190       <value>saved_gain</value>
 191     </param>
 192     <param>
 193       <key>min</key>
 194       <value>0</value>
 195     </param>
 196     <param>
 197       <key>max</key>
 198       <value>100</value>
 199     </param>
 200     <param>
 201       <key>num_steps</key>
 202       <value>100</value>
 203     </param>
 204     <param>
 205       <key>style</key>
 206       <value>wx.SL_HORIZONTAL</value>
 207     </param>
 208     <param>
 209       <key>converver</key>
 210       <value>float_converter</value>
 211     </param>
 212     <param>
 213       <key>grid_pos</key>
 214       <value>0, 1, 1, 1</value>
 215     </param>
 216     <param>
 217       <key>notebook</key>
 218       <value></value>
 219     </param>
 220     <param>
 221       <key>_coordinate</key>
 222       <value>(340, 106)</value>
 223     </param>
 224     <param>
 225       <key>_rotation</key>
 226       <value>0</value>
 227     </param>
 228   </block>
 229   <block>
 230     <key>variable_text_box</key>
 231     <param>
 232       <key>id</key>
 233       <value>freq</value>
 234     </param>
 235     <param>
 236       <key>_enabled</key>
 237       <value>True</value>
 238     </param>
 239     <param>
 240       <key>label</key>
 241       <value>Frequency</value>
 242     </param>
 243     <param>
 244       <key>value</key>
 245       <value>saved_freq</value>
 246     </param>
 247     <param>
 248       <key>converver</key>
 249       <value>float_converter</value>
 250     </param>
 251     <param>
 252       <key>formatter</key>
 253       <value>None</value>
 254     </param>
 255     <param>
 256       <key>grid_pos</key>
 257       <value>0, 0, 1, 1</value>
 258     </param>
 259     <param>
 260       <key>notebook</key>
 261       <value></value>
 262     </param>
 263     <param>
 264       <key>_coordinate</key>
 265       <value>(199, 106)</value>
 266     </param>
 267     <param>
 268       <key>_rotation</key>
 269       <value>0</value>
 270     </param>
 271   </block>
 272   <block>
 273     <key>variable_slider</key>
 274     <param>
 275       <key>id</key>
 276       <value>pll_alpha</value>
 277     </param>
 278     <param>
 279       <key>_enabled</key>
 280       <value>True</value>
 281     </param>
 282     <param>
 283       <key>label</key>
 284       <value>PLL Alpha</value>
 285     </param>
 286     <param>
 287       <key>value</key>
 288       <value>saved_pll_alpha</value>
 289     </param>
 290     <param>
 291       <key>min</key>
 292       <value>0.0</value>
 293     </param>
 294     <param>
 295       <key>max</key>
 296       <value>0.5</value>
 297     </param>
 298     <param>
 299       <key>num_steps</key>
 300       <value>100</value>
 301     </param>
 302     <param>
 303       <key>style</key>
 304       <value>wx.SL_HORIZONTAL</value>
 305     </param>
 306     <param>
 307       <key>converver</key>
 308       <value>float_converter</value>
 309     </param>
 310     <param>
 311       <key>grid_pos</key>
 312       <value>0, 2, 1, 1</value>
 313     </param>
 314     <param>
 315       <key>notebook</key>
 316       <value></value>
 317     </param>
 318     <param>
 319       <key>_coordinate</key>
 320       <value>(479, 106)</value>
 321     </param>
 322     <param>
 323       <key>_rotation</key>
 324       <value>0</value>
 325     </param>
 326   </block>
 327   <block>
 328     <key>variable_static_text</key>
 329     <param>
 330       <key>id</key>
 331       <value>side_text</value>
 332     </param>
 333     <param>
 334       <key>_enabled</key>
 335       <value>True</value>
 336     </param>
 337     <param>
 338       <key>label</key>
 339       <value>USRP Side</value>
 340     </param>
 341     <param>
 342       <key>value</key>
 343       <value>side</value>
 344     </param>
 345     <param>
 346       <key>converver</key>
 347       <value>str_converter</value>
 348     </param>
 349     <param>
 350       <key>formatter</key>
 351       <value>None</value>
 352     </param>
 353     <param>
 354       <key>grid_pos</key>
 355       <value>1, 0, 1, 1</value>
 356     </param>
 357     <param>
 358       <key>notebook</key>
 359       <value></value>
 360     </param>
 361     <param>
 362       <key>_coordinate</key>
 363       <value>(828, 20)</value>
 364     </param>
 365     <param>
 366       <key>_rotation</key>
 367       <value>0</value>
 368     </param>
 369   </block>
 370   <block>
 371     <key>variable_static_text</key>
 372     <param>
 373       <key>id</key>
 374       <value>decim_text</value>
 375     </param>
 376     <param>
 377       <key>_enabled</key>
 378       <value>True</value>
 379     </param>
 380     <param>
 381       <key>label</key>
 382       <value>Decimation</value>
 383     </param>
 384     <param>
 385       <key>value</key>
 386       <value>decim</value>
 387     </param>
 388     <param>
 389       <key>converver</key>
 390       <value>float_converter</value>
 391     </param>
 392     <param>
 393       <key>formatter</key>
 394       <value>None</value>
 395     </param>
 396     <param>
 397       <key>grid_pos</key>
 398       <value>1, 1, 1, 1</value>
 399     </param>
 400     <param>
 401       <key>notebook</key>
 402       <value></value>
 403     </param>
 404     <param>
 405       <key>_coordinate</key>
 406       <value>(973, 20)</value>
 407     </param>
 408     <param>
 409       <key>_rotation</key>
 410       <value>0</value>
 411     </param>
 412   </block>
 413   <block>
 414     <key>variable</key>
 415     <param>
 416       <key>id</key>
 417       <value>config_filename</value>
 418     </param>
 419     <param>
 420       <key>_enabled</key>
 421       <value>True</value>
 422     </param>
 423     <param>
 424       <key>value</key>
 425       <value>os.environ['HOME']+'/.gnuradio/config.conf'</value>
 426     </param>
 427     <param>
 428       <key>_coordinate</key>
 429       <value>(12, 129)</value>
 430     </param>
 431     <param>
 432       <key>_rotation</key>
 433       <value>0</value>
 434     </param>
 435   </block>
 436   <block>
 437     <key>import</key>
 438     <param>
 439       <key>id</key>
 440       <value>import_0</value>
 441     </param>
 442     <param>
 443       <key>_enabled</key>
 444       <value>True</value>
 445     </param>
 446     <param>
 447       <key>import</key>
 448       <value>import math, os</value>
 449     </param>
 450     <param>
 451       <key>_coordinate</key>
 452       <value>(11, 76)</value>
 453     </param>
 454     <param>
 455       <key>_rotation</key>
 456       <value>0</value>
 457     </param>
 458   </block>
 459   <block>
 460     <key>variable_config</key>
 461     <param>
 462       <key>id</key>
 463       <value>saved_freq</value>
 464     </param>
 465     <param>
 466       <key>_enabled</key>
 467       <value>True</value>
 468     </param>
 469     <param>
 470       <key>value</key>
 471       <value>1698e6</value>
 472     </param>
 473     <param>
 474       <key>type</key>
 475       <value>real</value>
 476     </param>
 477     <param>
 478       <key>config_file</key>
 479       <value>config_filename</value>
 480     </param>
 481     <param>
 482       <key>section</key>
 483       <value>'usrp_rx_hrpt'</value>
 484     </param>
 485     <param>
 486       <key>option</key>
 487       <value>'freq'</value>
 488     </param>
 489     <param>
 490       <key>writeback</key>
 491       <value>freq</value>
 492     </param>
 493     <param>
 494       <key>_coordinate</key>
 495       <value>(507, 258)</value>
 496     </param>
 497     <param>
 498       <key>_rotation</key>
 499       <value>0</value>
 500     </param>
 501   </block>
 502   <block>
 503     <key>variable_config</key>
 504     <param>
 505       <key>id</key>
 506       <value>saved_gain</value>
 507     </param>
 508     <param>
 509       <key>_enabled</key>
 510       <value>True</value>
 511     </param>
 512     <param>
 513       <key>value</key>
 514       <value>35</value>
 515     </param>
 516     <param>
 517       <key>type</key>
 518       <value>real</value>
 519     </param>
 520     <param>
 521       <key>config_file</key>
 522       <value>config_filename</value>
 523     </param>
 524     <param>
 525       <key>section</key>
 526       <value>'usrp_rx_hrpt'</value>
 527     </param>
 528     <param>
 529       <key>option</key>
 530       <value>'gain'</value>
 531     </param>
 532     <param>
 533       <key>writeback</key>
 534       <value>gain</value>
 535     </param>
 536     <param>
 537       <key>_coordinate</key>
 538       <value>(664, 259)</value>
 539     </param>
 540     <param>
 541       <key>_rotation</key>
 542       <value>0</value>
 543     </param>
 544   </block>
 545   <block>
 546     <key>variable_slider</key>
 547     <param>
 548       <key>id</key>
 549       <value>clock_alpha</value>
 550     </param>
 551     <param>
 552       <key>_enabled</key>
 553       <value>True</value>
 554     </param>
 555     <param>
 556       <key>label</key>
 557       <value>Clock Alpha</value>
 558     </param>
 559     <param>
 560       <key>value</key>
 561       <value>saved_clock_alpha</value>
 562     </param>
 563     <param>
 564       <key>min</key>
 565       <value>0.0</value>
 566     </param>
 567     <param>
 568       <key>max</key>
 569       <value>0.5</value>
 570     </param>
 571     <param>
 572       <key>num_steps</key>
 573       <value>100</value>
 574     </param>
 575     <param>
 576       <key>style</key>
 577       <value>wx.SL_HORIZONTAL</value>
 578     </param>
 579     <param>
 580       <key>converver</key>
 581       <value>float_converter</value>
 582     </param>
 583     <param>
 584       <key>grid_pos</key>
 585       <value>0, 3, 1, 1</value>
 586     </param>
 587     <param>
 588       <key>notebook</key>
 589       <value></value>
 590     </param>
 591     <param>
 592       <key>_coordinate</key>
 593       <value>(618, 106)</value>
 594     </param>
 595     <param>
 596       <key>_rotation</key>
 597       <value>0</value>
 598     </param>
 599   </block>
 600   <block>
 601     <key>variable_config</key>
 602     <param>
 603       <key>id</key>
 604       <value>side</value>
 605     </param>
 606     <param>
 607       <key>_enabled</key>
 608       <value>True</value>
 609     </param>
 610     <param>
 611       <key>value</key>
 612       <value>'A'</value>
 613     </param>
 614     <param>
 615       <key>type</key>
 616       <value>string</value>
 617     </param>
 618     <param>
 619       <key>config_file</key>
 620       <value>config_filename</value>
 621     </param>
 622     <param>
 623       <key>section</key>
 624       <value>'usrp_rx_hrpt'</value>
 625     </param>
 626     <param>
 627       <key>option</key>
 628       <value>'side'</value>
 629     </param>
 630     <param>
 631       <key>writeback</key>
 632       <value>side</value>
 633     </param>
 634     <param>
 635       <key>_coordinate</key>
 636       <value>(194, 253)</value>
 637     </param>
 638     <param>
 639       <key>_rotation</key>
 640       <value>0</value>
 641     </param>
 642   </block>
 643   <block>
 644     <key>notebook</key>
 645     <param>
 646       <key>id</key>
 647       <value>displays</value>
 648     </param>
 649     <param>
 650       <key>_enabled</key>
 651       <value>True</value>
 652     </param>
 653     <param>
 654       <key>style</key>
 655       <value>wx.NB_TOP</value>
 656     </param>
 657     <param>
 658       <key>labels</key>
 659       <value>['Spectrum','Demod']</value>
 660     </param>
 661     <param>
 662       <key>grid_pos</key>
 663       <value>2,0,1,4</value>
 664     </param>
 665     <param>
 666       <key>notebook</key>
 667       <value></value>
 668     </param>
 669     <param>
 670       <key>_coordinate</key>
 671       <value>(12, 249)</value>
 672     </param>
 673     <param>
 674       <key>_rotation</key>
 675       <value>0</value>
 676     </param>
 677   </block>
 678   <block>
 679     <key>gr_file_sink</key>
 680     <param>
 681       <key>id</key>
 682       <value>frame_sink</value>
 683     </param>
 684     <param>
 685       <key>_enabled</key>
 686       <value>True</value>
 687     </param>
 688     <param>
 689       <key>file</key>
 690       <value>output_filename</value>
 691     </param>
 692     <param>
 693       <key>type</key>
 694       <value>short</value>
 695     </param>
 696     <param>
 697       <key>vlen</key>
 698       <value>1</value>
 699     </param>
 700     <param>
 701       <key>_coordinate</key>
 702       <value>(973, 1024)</value>
 703     </param>
 704     <param>
 705       <key>_rotation</key>
 706       <value>0</value>
 707     </param>
 708   </block>
 709   <block>
 710     <key>virtual_source</key>
 711     <param>
 712       <key>id</key>
 713       <value>virtual_source_0</value>
 714     </param>
 715     <param>
 716       <key>_enabled</key>
 717       <value>True</value>
 718     </param>
 719     <param>
 720       <key>stream_id</key>
 721       <value>baseband</value>
 722     </param>
 723     <param>
 724       <key>_coordinate</key>
 725       <value>(173, 971)</value>
 726     </param>
 727     <param>
 728       <key>_rotation</key>
 729       <value>0</value>
 730     </param>
 731   </block>
 732   <block>
 733     <key>wxgui_scopesink2</key>
 734     <param>
 735       <key>id</key>
 736       <value>demod_scope</value>
 737     </param>
 738     <param>
 739       <key>_enabled</key>
 740       <value>True</value>
 741     </param>
 742     <param>
 743       <key>type</key>
 744       <value>float</value>
 745     </param>
 746     <param>
 747       <key>title</key>
 748       <value>Post-Demod</value>
 749     </param>
 750     <param>
 751       <key>samp_rate</key>
 752       <value>sym_rate*2.0</value>
 753     </param>
 754     <param>
 755       <key>v_scale</key>
 756       <value>0.5</value>
 757     </param>
 758     <param>
 759       <key>v_offset</key>
 760       <value>0</value>
 761     </param>
 762     <param>
 763       <key>t_scale</key>
 764       <value>10.0/sym_rate</value>
 765     </param>
 766     <param>
 767       <key>ac_couple</key>
 768       <value>False</value>
 769     </param>
 770     <param>
 771       <key>xy_mode</key>
 772       <value>False</value>
 773     </param>
 774     <param>
 775       <key>num_inputs</key>
 776       <value>1</value>
 777     </param>
 778     <param>
 779       <key>win_size</key>
 780       <value></value>
 781     </param>
 782     <param>
 783       <key>grid_pos</key>
 784       <value>0, 0, 1, 1</value>
 785     </param>
 786     <param>
 787       <key>notebook</key>
 788       <value>displays, 1</value>
 789     </param>
 790     <param>
 791       <key>_coordinate</key>
 792       <value>(666, 542)</value>
 793     </param>
 794     <param>
 795       <key>_rotation</key>
 796       <value>180</value>
 797     </param>
 798   </block>
 799   <block>
 800     <key>gr_clock_recovery_mm_xx</key>
 801     <param>
 802       <key>id</key>
 803       <value>gr_clock_recovery_mm_xx_0</value>
 804     </param>
 805     <param>
 806       <key>_enabled</key>
 807       <value>True</value>
 808     </param>
 809     <param>
 810       <key>type</key>
 811       <value>float</value>
 812     </param>
 813     <param>
 814       <key>omega</key>
 815       <value>sps/2.0</value>
 816     </param>
 817     <param>
 818       <key>gain_omega</key>
 819       <value>clock_alpha**2/4.0</value>
 820     </param>
 821     <param>
 822       <key>mu</key>
 823       <value>0.5</value>
 824     </param>
 825     <param>
 826       <key>gain_mu</key>
 827       <value>clock_alpha</value>
 828     </param>
 829     <param>
 830       <key>omega_relative_limit</key>
 831       <value>max_clock_offset</value>
 832     </param>
 833     <param>
 834       <key>_coordinate</key>
 835       <value>(873, 696)</value>
 836     </param>
 837     <param>
 838       <key>_rotation</key>
 839       <value>0</value>
 840     </param>
 841   </block>
 842   <block>
 843     <key>gr_moving_average_xx</key>
 844     <param>
 845       <key>id</key>
 846       <value>gr_moving_average_xx_0</value>
 847     </param>
 848     <param>
 849       <key>_enabled</key>
 850       <value>True</value>
 851     </param>
 852     <param>
 853       <key>type</key>
 854       <value>float</value>
 855     </param>
 856     <param>
 857       <key>length</key>
 858       <value>hs</value>
 859     </param>
 860     <param>
 861       <key>scale</key>
 862       <value>1.0/hs</value>
 863     </param>
 864     <param>
 865       <key>max_iter</key>
 866       <value>4000</value>
 867     </param>
 868     <param>
 869       <key>_coordinate</key>
 870       <value>(682, 713)</value>
 871     </param>
 872     <param>
 873       <key>_rotation</key>
 874       <value>0</value>
 875     </param>
 876   </block>
 877   <block>
 878     <key>noaa_hrpt_pll_cf</key>
 879     <param>
 880       <key>id</key>
 881       <value>pll</value>
 882     </param>
 883     <param>
 884       <key>_enabled</key>
 885       <value>True</value>
 886     </param>
 887     <param>
 888       <key>alpha</key>
 889       <value>pll_alpha</value>
 890     </param>
 891     <param>
 892       <key>beta</key>
 893       <value>pll_alpha**2/4.0</value>
 894     </param>
 895     <param>
 896       <key>max_offset</key>
 897       <value>max_carrier_offset</value>
 898     </param>
 899     <param>
 900       <key>_coordinate</key>
 901       <value>(469, 713)</value>
 902     </param>
 903     <param>
 904       <key>_rotation</key>
 905       <value>0</value>
 906     </param>
 907   </block>
 908   <block>
 909     <key>virtual_sink</key>
 910     <param>
 911       <key>id</key>
 912       <value>virtual_sink_0</value>
 913     </param>
 914     <param>
 915       <key>_enabled</key>
 916       <value>True</value>
 917     </param>
 918     <param>
 919       <key>stream_id</key>
 920       <value>baseband</value>
 921     </param>
 922     <param>
 923       <key>_coordinate</key>
 924       <value>(1142, 728)</value>
 925     </param>
 926     <param>
 927       <key>_rotation</key>
 928       <value>0</value>
 929     </param>
 930   </block>
 931   <block>
 932     <key>gr_agc_xx</key>
 933     <param>
 934       <key>id</key>
 935       <value>agc</value>
 936     </param>
 937     <param>
 938       <key>_enabled</key>
 939       <value>True</value>
 940     </param>
 941     <param>
 942       <key>type</key>
 943       <value>complex</value>
 944     </param>
 945     <param>
 946       <key>rate</key>
 947       <value>1e-6</value>
 948     </param>
 949     <param>
 950       <key>reference</key>
 951       <value>1.0</value>
 952     </param>
 953     <param>
 954       <key>gain</key>
 955       <value>1.0</value>
 956     </param>
 957     <param>
 958       <key>max_gain</key>
 959       <value>1.0</value>
 960     </param>
 961     <param>
 962       <key>_coordinate</key>
 963       <value>(301, 705)</value>
 964     </param>
 965     <param>
 966       <key>_rotation</key>
 967       <value>0</value>
 968     </param>
 969   </block>
 970   <block>
 971     <key>usrp_simple_source_x</key>
 972     <param>
 973       <key>id</key>
 974       <value>usrp_source</value>
 975     </param>
 976     <param>
 977       <key>_enabled</key>
 978       <value>True</value>
 979     </param>
 980     <param>
 981       <key>type</key>
 982       <value>complex</value>
 983     </param>
 984     <param>
 985       <key>format</key>
 986       <value></value>
 987     </param>
 988     <param>
 989       <key>which</key>
 990       <value>0</value>
 991     </param>
 992     <param>
 993       <key>decimation</key>
 994       <value>decim</value>
 995     </param>
 996     <param>
 997       <key>frequency</key>
 998       <value>freq</value>
 999     </param>
1000     <param>
1001       <key>lo_offset</key>
1002       <value>float('inf')</value>
1003     </param>
1004     <param>
1005       <key>gain</key>
1006       <value>gain</value>
1007     </param>
1008     <param>
1009       <key>side</key>
1010       <value>side</value>
1011     </param>
1012     <param>
1013       <key>rx_ant</key>
1014       <value>RXA</value>
1015     </param>
1016     <param>
1017       <key>hb_filters</key>
1018       <value></value>
1019     </param>
1020     <param>
1021       <key>_coordinate</key>
1022       <value>(89, 689)</value>
1023     </param>
1024     <param>
1025       <key>_rotation</key>
1026       <value>0</value>
1027     </param>
1028   </block>
1029   <block>
1030     <key>wxgui_fftsink2</key>
1031     <param>
1032       <key>id</key>
1033       <value>rx_fft</value>
1034     </param>
1035     <param>
1036       <key>_enabled</key>
1037       <value>True</value>
1038     </param>
1039     <param>
1040       <key>type</key>
1041       <value>complex</value>
1042     </param>
1043     <param>
1044       <key>title</key>
1045       <value>RX Spectrum</value>
1046     </param>
1047     <param>
1048       <key>samp_rate</key>
1049       <value>sample_rate</value>
1050     </param>
1051     <param>
1052       <key>baseband_freq</key>
1053       <value>freq</value>
1054     </param>
1055     <param>
1056       <key>y_per_div</key>
1057       <value>5</value>
1058     </param>
1059     <param>
1060       <key>y_divs</key>
1061       <value>8</value>
1062     </param>
1063     <param>
1064       <key>ref_level</key>
1065       <value>-5</value>
1066     </param>
1067     <param>
1068       <key>ref_scale</key>
1069       <value>2.0</value>
1070     </param>
1071     <param>
1072       <key>fft_size</key>
1073       <value>1024</value>
1074     </param>
1075     <param>
1076       <key>fft_rate</key>
1077       <value>15</value>
1078     </param>
1079     <param>
1080       <key>peak_hold</key>
1081       <value>False</value>
1082     </param>
1083     <param>
1084       <key>average</key>
1085       <value>True</value>
1086     </param>
1087     <param>
1088       <key>avg_alpha</key>
1089       <value>0.1</value>
1090     </param>
1091     <param>
1092       <key>win</key>
1093       <value>None</value>
1094     </param>
1095     <param>
1096       <key>win_size</key>
1097       <value>640, 360</value>
1098     </param>
1099     <param>
1100       <key>grid_pos</key>
1101       <value>0, 0, 1, 1</value>
1102     </param>
1103     <param>
1104       <key>notebook</key>
1105       <value>displays, 0</value>
1106     </param>
1107     <param>
1108       <key>_coordinate</key>
1109       <value>(477, 457)</value>
1110     </param>
1111     <param>
1112       <key>_rotation</key>
1113       <value>0</value>
1114     </param>
1115   </block>
1116   <block>
1117     <key>gr_binary_slicer_fb</key>
1118     <param>
1119       <key>id</key>
1120       <value>gr_binary_slicer_fb_0</value>
1121     </param>
1122     <param>
1123       <key>_enabled</key>
1124       <value>True</value>
1125     </param>
1126     <param>
1127       <key>_coordinate</key>
1128       <value>(393, 975)</value>
1129     </param>
1130     <param>
1131       <key>_rotation</key>
1132       <value>0</value>
1133     </param>
1134   </block>
1135   <block>
1136     <key>noaa_hrpt_deframer</key>
1137     <param>
1138       <key>id</key>
1139       <value>deframer</value>
1140     </param>
1141     <param>
1142       <key>_enabled</key>
1143       <value>True</value>
1144     </param>
1145     <param>
1146       <key>_coordinate</key>
1147       <value>(762, 975)</value>
1148     </param>
1149     <param>
1150       <key>_rotation</key>
1151       <value>0</value>
1152     </param>
1153   </block>
1154   <block>
1155     <key>variable_config</key>
1156     <param>
1157       <key>id</key>
1158       <value>decim</value>
1159     </param>
1160     <param>
1161       <key>_enabled</key>
1162       <value>True</value>
1163     </param>
1164     <param>
1165       <key>value</key>
1166       <value>32</value>
1167     </param>
1168     <param>
1169       <key>type</key>
1170       <value>real</value>
1171     </param>
1172     <param>
1173       <key>config_file</key>
1174       <value>config_filename</value>
1175     </param>
1176     <param>
1177       <key>section</key>
1178       <value>'usrp_rx_hrpt'</value>
1179     </param>
1180     <param>
1181       <key>option</key>
1182       <value>'decim'</value>
1183     </param>
1184     <param>
1185       <key>writeback</key>
1186       <value>decim</value>
1187     </param>
1188     <param>
1189       <key>_coordinate</key>
1190       <value>(351, 255)</value>
1191     </param>
1192     <param>
1193       <key>_rotation</key>
1194       <value>0</value>
1195     </param>
1196   </block>
1197   <block>
1198     <key>variable_config</key>
1199     <param>
1200       <key>id</key>
1201       <value>saved_pll_alpha</value>
1202     </param>
1203     <param>
1204       <key>_enabled</key>
1205       <value>True</value>
1206     </param>
1207     <param>
1208       <key>value</key>
1209       <value>0.01</value>
1210     </param>
1211     <param>
1212       <key>type</key>
1213       <value>real</value>
1214     </param>
1215     <param>
1216       <key>config_file</key>
1217       <value>config_filename</value>
1218     </param>
1219     <param>
1220       <key>section</key>
1221       <value>'usrp_rx_hrpt'</value>
1222     </param>
1223     <param>
1224       <key>option</key>
1225       <value>'pll_alpha'</value>
1226     </param>
1227     <param>
1228       <key>writeback</key>
1229       <value>pll_alpha</value>
1230     </param>
1231     <param>
1232       <key>_coordinate</key>
1233       <value>(823, 258)</value>
1234     </param>
1235     <param>
1236       <key>_rotation</key>
1237       <value>0</value>
1238     </param>
1239   </block>
1240   <block>
1241     <key>variable_config</key>
1242     <param>
1243       <key>id</key>
1244       <value>saved_clock_alpha</value>
1245     </param>
1246     <param>
1247       <key>_enabled</key>
1248       <value>True</value>
1249     </param>
1250     <param>
1251       <key>value</key>
1252       <value>0.01</value>
1253     </param>
1254     <param>
1255       <key>type</key>
1256       <value>real</value>
1257     </param>
1258     <param>
1259       <key>config_file</key>
1260       <value>config_filename</value>
1261     </param>
1262     <param>
1263       <key>section</key>
1264       <value>'usrp_rx_hrpt'</value>
1265     </param>
1266     <param>
1267       <key>option</key>
1268       <value>'clock_alpha'</value>
1269     </param>
1270     <param>
1271       <key>writeback</key>
1272       <value>clock_alpha</value>
1273     </param>
1274     <param>
1275       <key>_coordinate</key>
1276       <value>(981, 258)</value>
1277     </param>
1278     <param>
1279       <key>_rotation</key>
1280       <value>0</value>
1281     </param>
1282   </block>
1283   <block>
1284     <key>variable_config</key>
1285     <param>
1286       <key>id</key>
1287       <value>output_filename</value>
1288     </param>
1289     <param>
1290       <key>_enabled</key>
1291       <value>True</value>
1292     </param>
1293     <param>
1294       <key>value</key>
1295       <value>'frames.hrpt'</value>
1296     </param>
1297     <param>
1298       <key>type</key>
1299       <value>string</value>
1300     </param>
1301     <param>
1302       <key>config_file</key>
1303       <value>config_filename</value>
1304     </param>
1305     <param>
1306       <key>section</key>
1307       <value>'usrp_rx_hrpt'</value>
1308     </param>
1309     <param>
1310       <key>option</key>
1311       <value>'filename'</value>
1312     </param>
1313     <param>
1314       <key>writeback</key>
1315       <value>output_filename</value>
1316     </param>
1317     <param>
1318       <key>_coordinate</key>
1319       <value>(1139, 259)</value>
1320     </param>
1321     <param>
1322       <key>_rotation</key>
1323       <value>0</value>
1324     </param>
1325   </block>
1326   <block>
1327     <key>noaa_hrpt_decoder</key>
1328     <param>
1329       <key>id</key>
1330       <value>decoder</value>
1331     </param>
1332     <param>
1333       <key>_enabled</key>
1334       <value>True</value>
1335     </param>
1336     <param>
1337       <key>verbose</key>
1338       <value>True</value>
1339     </param>
1340     <param>
1341       <key>output</key>
1342       <value>True</value>
1343     </param>
1344     <param>
1345       <key>_coordinate</key>
1346       <value>(974, 925)</value>
1347     </param>
1348     <param>
1349       <key>_rotation</key>
1350       <value>0</value>
1351     </param>
1352   </block>
1353   <block>
1354     <key>variable</key>
1355     <param>
1356       <key>id</key>
1357       <value>max_clock_offset</value>
1358     </param>
1359     <param>
1360       <key>_enabled</key>
1361       <value>True</value>
1362     </param>
1363     <param>
1364       <key>value</key>
1365       <value>100e-6</value>
1366     </param>
1367     <param>
1368       <key>_coordinate</key>
1369       <value>(705, 19)</value>
1370     </param>
1371     <param>
1372       <key>_rotation</key>
1373       <value>0</value>
1374     </param>
1375   </block>
1376   <connection>
1377     <source_block_id>virtual_source_0</source_block_id>
1378     <sink_block_id>gr_binary_slicer_fb_0</sink_block_id>
1379     <source_key>0</source_key>
1380     <sink_key>0</sink_key>
1381   </connection>
1382   <connection>
1383     <source_block_id>deframer</source_block_id>
1384     <sink_block_id>frame_sink</sink_block_id>
1385     <source_key>0</source_key>
1386     <sink_key>0</sink_key>
1387   </connection>
1388   <connection>
1389     <source_block_id>deframer</source_block_id>
1390     <sink_block_id>decoder</sink_block_id>
1391     <source_key>0</source_key>
1392     <sink_key>0</sink_key>
1393   </connection>
1394   <connection>
1395     <source_block_id>gr_clock_recovery_mm_xx_0</source_block_id>
1396     <sink_block_id>virtual_sink_0</sink_block_id>
1397     <source_key>0</source_key>
1398     <sink_key>0</sink_key>
1399   </connection>
1400   <connection>
1401     <source_block_id>gr_clock_recovery_mm_xx_0</source_block_id>
1402     <sink_block_id>demod_scope</sink_block_id>
1403     <source_key>0</source_key>
1404     <sink_key>0</sink_key>
1405   </connection>
1406   <connection>
1407     <source_block_id>gr_moving_average_xx_0</source_block_id>
1408     <sink_block_id>gr_clock_recovery_mm_xx_0</sink_block_id>
1409     <source_key>0</source_key>
1410     <sink_key>0</sink_key>
1411   </connection>
1412   <connection>
1413     <source_block_id>pll</source_block_id>
1414     <sink_block_id>gr_moving_average_xx_0</sink_block_id>
1415     <source_key>0</source_key>
1416     <sink_key>0</sink_key>
1417   </connection>
1418   <connection>
1419     <source_block_id>agc</source_block_id>
1420     <sink_block_id>pll</sink_block_id>
1421     <source_key>0</source_key>
1422     <sink_key>0</sink_key>
1423   </connection>
1424   <connection>
1425     <source_block_id>usrp_source</source_block_id>
1426     <sink_block_id>agc</sink_block_id>
1427     <source_key>0</source_key>
1428     <sink_key>0</sink_key>
1429   </connection>
1430   <connection>
1431     <source_block_id>agc</source_block_id>
1432     <sink_block_id>rx_fft</sink_block_id>
1433     <source_key>0</source_key>
1434     <sink_key>0</sink_key>
1435   </connection>
1436   <connection>
1437     <source_block_id>gr_binary_slicer_fb_0</source_block_id>
1438     <sink_block_id>deframer</sink_block_id>
1439     <source_key>0</source_key>
1440     <sink_key>0</sink_key>
1441   </connection>
1442 </flow_graph>