Changes for page SDR

Last modified by Administrator on 10-03-2021, 11:01
From version < 30.5 >
edited by Jean-Yves Dupertuis
on 27-03-2018, 17:59
To version < 35.1 >
edited by Jean-Yves Dupertuis
on 04-04-2018, 16:19
< >
Change comment: testSDR-b new

Summary

Details

Page properties
Content
... ... @@ -593,7 +593,7 @@
593 593  
594 594  Je profite pour installer directement GQRX :
595 595  
596 -~~$//sudo apt install gqrx//
596 +~~$//sudo apt install gqrx-sdr//
597 597  
598 598  Ensuite je branche ma clef DVB-t, et je regarde si le programme GQRX la trouve.
599 599  
... ... @@ -610,12 +610,23 @@
610 610  
611 611  == GNURadio ==
612 612  
613 +{{error}}
614 +Attention AVANT DE LANCER GNU COMPAGNON VOUS DEVEZ INSTALLER GQRX-SDR, SINON il vous manquera des bibliothèques !!!
615 +{{/error}}
616 +
617 +
613 613  En suivant l'excellent document qui se trouve :
614 614  http://f0fyf.blogspot.ch/2014/08/recepteur-fm-avec-gnuradio.html
615 615  je réalise mon premier programme SDR avec ma clef RTL-SDR.
616 616  
617 -[[testSDR.grc>>attach:testSDR.grc]]
622 +[[testSDR-b.grc>>attach:testSDR-b.grc]]
618 618  
624 +{{error}}
625 +Sur une version linux , mon module "Options" n'avait pas la dimension de la page !?
626 +ecrivez : 1280, 1024
627 +{{/error}}
628 +
629 +
619 619  [[image:DJtestDaarioSDR.png||height="545" width="562"]]
620 620  
621 621  
testSDR-b.grc
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Dupertuis
Size
... ... @@ -1,0 +1,1 @@
1 +18.1 KB
Content
... ... @@ -1,0 +1,932 @@
1 +<?xml version='1.0' encoding='ASCII'?>
2 +<flow_graph>
3 + <timestamp>Wed Apr 4 10:10:57 2018</timestamp>
4 + <block>
5 + <key>variable</key>
6 + <param>
7 + <key>id</key>
8 + <value>samp_rate</value>
9 + </param>
10 + <param>
11 + <key>_enabled</key>
12 + <value>True</value>
13 + </param>
14 + <param>
15 + <key>value</key>
16 + <value>2e6</value>
17 + </param>
18 + <param>
19 + <key>_coordinate</key>
20 + <value>(176, 5)</value>
21 + </param>
22 + <param>
23 + <key>_rotation</key>
24 + <value>0</value>
25 + </param>
26 + </block>
27 + <block>
28 + <key>variable</key>
29 + <param>
30 + <key>id</key>
31 + <value>cutoff</value>
32 + </param>
33 + <param>
34 + <key>_enabled</key>
35 + <value>True</value>
36 + </param>
37 + <param>
38 + <key>value</key>
39 + <value>100e3</value>
40 + </param>
41 + <param>
42 + <key>_coordinate</key>
43 + <value>(494, 193)</value>
44 + </param>
45 + <param>
46 + <key>_rotation</key>
47 + <value>0</value>
48 + </param>
49 + </block>
50 + <block>
51 + <key>variable</key>
52 + <param>
53 + <key>id</key>
54 + <value>audio_dec</value>
55 + </param>
56 + <param>
57 + <key>_enabled</key>
58 + <value>True</value>
59 + </param>
60 + <param>
61 + <key>value</key>
62 + <value>10</value>
63 + </param>
64 + <param>
65 + <key>_coordinate</key>
66 + <value>(747, 226)</value>
67 + </param>
68 + <param>
69 + <key>_rotation</key>
70 + <value>0</value>
71 + </param>
72 + </block>
73 + <block>
74 + <key>variable</key>
75 + <param>
76 + <key>id</key>
77 + <value>quadrature</value>
78 + </param>
79 + <param>
80 + <key>_enabled</key>
81 + <value>True</value>
82 + </param>
83 + <param>
84 + <key>value</key>
85 + <value>500e3</value>
86 + </param>
87 + <param>
88 + <key>_coordinate</key>
89 + <value>(176, 69)</value>
90 + </param>
91 + <param>
92 + <key>_rotation</key>
93 + <value>0</value>
94 + </param>
95 + </block>
96 + <block>
97 + <key>rational_resampler_xxx</key>
98 + <param>
99 + <key>id</key>
100 + <value>rational_resampler_xxx_1</value>
101 + </param>
102 + <param>
103 + <key>_enabled</key>
104 + <value>True</value>
105 + </param>
106 + <param>
107 + <key>type</key>
108 + <value>fff</value>
109 + </param>
110 + <param>
111 + <key>interp</key>
112 + <value>48</value>
113 + </param>
114 + <param>
115 + <key>decim</key>
116 + <value>int(quadrature/1e3/audio_dec)</value>
117 + </param>
118 + <param>
119 + <key>taps</key>
120 + <value></value>
121 + </param>
122 + <param>
123 + <key>fbw</key>
124 + <value>0</value>
125 + </param>
126 + <param>
127 + <key>affinity</key>
128 + <value></value>
129 + </param>
130 + <param>
131 + <key>minoutbuf</key>
132 + <value>0</value>
133 + </param>
134 + <param>
135 + <key>maxoutbuf</key>
136 + <value>0</value>
137 + </param>
138 + <param>
139 + <key>_coordinate</key>
140 + <value>(312, 455)</value>
141 + </param>
142 + <param>
143 + <key>_rotation</key>
144 + <value>0</value>
145 + </param>
146 + </block>
147 + <block>
148 + <key>options</key>
149 + <param>
150 + <key>id</key>
151 + <value>DJTestRadioSDR</value>
152 + </param>
153 + <param>
154 + <key>_enabled</key>
155 + <value>True</value>
156 + </param>
157 + <param>
158 + <key>title</key>
159 + <value>Test Radion SDR</value>
160 + </param>
161 + <param>
162 + <key>author</key>
163 + <value>Jean-Yves HB9FOU</value>
164 + </param>
165 + <param>
166 + <key>description</key>
167 + <value></value>
168 + </param>
169 + <param>
170 + <key>window_size</key>
171 + <value>1280, 1024</value>
172 + </param>
173 + <param>
174 + <key>generate_options</key>
175 + <value>wx_gui</value>
176 + </param>
177 + <param>
178 + <key>category</key>
179 + <value>Custom</value>
180 + </param>
181 + <param>
182 + <key>run_options</key>
183 + <value>prompt</value>
184 + </param>
185 + <param>
186 + <key>run</key>
187 + <value>True</value>
188 + </param>
189 + <param>
190 + <key>max_nouts</key>
191 + <value>0</value>
192 + </param>
193 + <param>
194 + <key>realtime_scheduling</key>
195 + <value></value>
196 + </param>
197 + <param>
198 + <key>_coordinate</key>
199 + <value>(8, -1)</value>
200 + </param>
201 + <param>
202 + <key>_rotation</key>
203 + <value>0</value>
204 + </param>
205 + </block>
206 + <block>
207 + <key>analog_wfm_rcv</key>
208 + <param>
209 + <key>id</key>
210 + <value>analog_wfm_rcv_0</value>
211 + </param>
212 + <param>
213 + <key>_enabled</key>
214 + <value>True</value>
215 + </param>
216 + <param>
217 + <key>quad_rate</key>
218 + <value>quadrature</value>
219 + </param>
220 + <param>
221 + <key>audio_decimation</key>
222 + <value>audio_dec</value>
223 + </param>
224 + <param>
225 + <key>affinity</key>
226 + <value></value>
227 + </param>
228 + <param>
229 + <key>minoutbuf</key>
230 + <value>0</value>
231 + </param>
232 + <param>
233 + <key>maxoutbuf</key>
234 + <value>0</value>
235 + </param>
236 + <param>
237 + <key>_coordinate</key>
238 + <value>(734, 297)</value>
239 + </param>
240 + <param>
241 + <key>_rotation</key>
242 + <value>0</value>
243 + </param>
244 + </block>
245 + <block>
246 + <key>low_pass_filter</key>
247 + <param>
248 + <key>id</key>
249 + <value>low_pass_filter_0</value>
250 + </param>
251 + <param>
252 + <key>_enabled</key>
253 + <value>True</value>
254 + </param>
255 + <param>
256 + <key>type</key>
257 + <value>fir_filter_ccf</value>
258 + </param>
259 + <param>
260 + <key>decim</key>
261 + <value>1</value>
262 + </param>
263 + <param>
264 + <key>interp</key>
265 + <value>1</value>
266 + </param>
267 + <param>
268 + <key>gain</key>
269 + <value>1</value>
270 + </param>
271 + <param>
272 + <key>samp_rate</key>
273 + <value>samp_rate</value>
274 + </param>
275 + <param>
276 + <key>cutoff_freq</key>
277 + <value>cutoff</value>
278 + </param>
279 + <param>
280 + <key>width</key>
281 + <value>1e6</value>
282 + </param>
283 + <param>
284 + <key>win</key>
285 + <value>firdes.WIN_HAMMING</value>
286 + </param>
287 + <param>
288 + <key>beta</key>
289 + <value>6.76</value>
290 + </param>
291 + <param>
292 + <key>affinity</key>
293 + <value></value>
294 + </param>
295 + <param>
296 + <key>minoutbuf</key>
297 + <value>0</value>
298 + </param>
299 + <param>
300 + <key>maxoutbuf</key>
301 + <value>0</value>
302 + </param>
303 + <param>
304 + <key>_coordinate</key>
305 + <value>(489, 256)</value>
306 + </param>
307 + <param>
308 + <key>_rotation</key>
309 + <value>0</value>
310 + </param>
311 + </block>
312 + <block>
313 + <key>wxgui_waterfallsink2</key>
314 + <param>
315 + <key>id</key>
316 + <value>wxgui_waterfallsink2_0</value>
317 + </param>
318 + <param>
319 + <key>_enabled</key>
320 + <value>True</value>
321 + </param>
322 + <param>
323 + <key>type</key>
324 + <value>complex</value>
325 + </param>
326 + <param>
327 + <key>title</key>
328 + <value>Waterfall </value>
329 + </param>
330 + <param>
331 + <key>samp_rate</key>
332 + <value>samp_rate</value>
333 + </param>
334 + <param>
335 + <key>baseband_freq</key>
336 + <value>0</value>
337 + </param>
338 + <param>
339 + <key>dynamic_range</key>
340 + <value>100</value>
341 + </param>
342 + <param>
343 + <key>ref_level</key>
344 + <value>0</value>
345 + </param>
346 + <param>
347 + <key>ref_scale</key>
348 + <value>2.0</value>
349 + </param>
350 + <param>
351 + <key>fft_size</key>
352 + <value>512</value>
353 + </param>
354 + <param>
355 + <key>fft_rate</key>
356 + <value>15</value>
357 + </param>
358 + <param>
359 + <key>average</key>
360 + <value>False</value>
361 + </param>
362 + <param>
363 + <key>avg_alpha</key>
364 + <value>0</value>
365 + </param>
366 + <param>
367 + <key>win</key>
368 + <value>None</value>
369 + </param>
370 + <param>
371 + <key>win_size</key>
372 + <value></value>
373 + </param>
374 + <param>
375 + <key>grid_pos</key>
376 + <value></value>
377 + </param>
378 + <param>
379 + <key>notebook</key>
380 + <value></value>
381 + </param>
382 + <param>
383 + <key>freqvar</key>
384 + <value>None</value>
385 + </param>
386 + <param>
387 + <key>affinity</key>
388 + <value></value>
389 + </param>
390 + <param>
391 + <key>_coordinate</key>
392 + <value>(249, 586)</value>
393 + </param>
394 + <param>
395 + <key>_rotation</key>
396 + <value>0</value>
397 + </param>
398 + </block>
399 + <block>
400 + <key>rational_resampler_xxx</key>
401 + <param>
402 + <key>id</key>
403 + <value>rational_resampler_xxx_0</value>
404 + </param>
405 + <param>
406 + <key>_enabled</key>
407 + <value>True</value>
408 + </param>
409 + <param>
410 + <key>type</key>
411 + <value>ccc</value>
412 + </param>
413 + <param>
414 + <key>interp</key>
415 + <value>1</value>
416 + </param>
417 + <param>
418 + <key>decim</key>
419 + <value>int(samp_rate/quadrature)</value>
420 + </param>
421 + <param>
422 + <key>taps</key>
423 + <value></value>
424 + </param>
425 + <param>
426 + <key>fbw</key>
427 + <value>0</value>
428 + </param>
429 + <param>
430 + <key>affinity</key>
431 + <value></value>
432 + </param>
433 + <param>
434 + <key>minoutbuf</key>
435 + <value>0</value>
436 + </param>
437 + <param>
438 + <key>maxoutbuf</key>
439 + <value>0</value>
440 + </param>
441 + <param>
442 + <key>_coordinate</key>
443 + <value>(260, 287)</value>
444 + </param>
445 + <param>
446 + <key>_rotation</key>
447 + <value>0</value>
448 + </param>
449 + </block>
450 + <block>
451 + <key>audio_sink</key>
452 + <param>
453 + <key>id</key>
454 + <value>audio_sink_0</value>
455 + </param>
456 + <param>
457 + <key>_enabled</key>
458 + <value>True</value>
459 + </param>
460 + <param>
461 + <key>samp_rate</key>
462 + <value>48000</value>
463 + </param>
464 + <param>
465 + <key>device_name</key>
466 + <value></value>
467 + </param>
468 + <param>
469 + <key>ok_to_block</key>
470 + <value>True</value>
471 + </param>
472 + <param>
473 + <key>num_inputs</key>
474 + <value>1</value>
475 + </param>
476 + <param>
477 + <key>affinity</key>
478 + <value></value>
479 + </param>
480 + <param>
481 + <key>_coordinate</key>
482 + <value>(770, 476)</value>
483 + </param>
484 + <param>
485 + <key>_rotation</key>
486 + <value>0</value>
487 + </param>
488 + </block>
489 + <block>
490 + <key>blocks_multiply_const_vxx</key>
491 + <param>
492 + <key>id</key>
493 + <value>blocks_multiply_const_vxx_0</value>
494 + </param>
495 + <param>
496 + <key>_enabled</key>
497 + <value>True</value>
498 + </param>
499 + <param>
500 + <key>type</key>
501 + <value>float</value>
502 + </param>
503 + <param>
504 + <key>const</key>
505 + <value>Volume</value>
506 + </param>
507 + <param>
508 + <key>vlen</key>
509 + <value>1</value>
510 + </param>
511 + <param>
512 + <key>affinity</key>
513 + <value></value>
514 + </param>
515 + <param>
516 + <key>minoutbuf</key>
517 + <value>0</value>
518 + </param>
519 + <param>
520 + <key>maxoutbuf</key>
521 + <value>0</value>
522 + </param>
523 + <param>
524 + <key>_coordinate</key>
525 + <value>(535, 474)</value>
526 + </param>
527 + <param>
528 + <key>_rotation</key>
529 + <value>0</value>
530 + </param>
531 + </block>
532 + <block>
533 + <key>variable_slider</key>
534 + <param>
535 + <key>id</key>
536 + <value>Volume</value>
537 + </param>
538 + <param>
539 + <key>_enabled</key>
540 + <value>True</value>
541 + </param>
542 + <param>
543 + <key>label</key>
544 + <value>volume</value>
545 + </param>
546 + <param>
547 + <key>value</key>
548 + <value>1</value>
549 + </param>
550 + <param>
551 + <key>min</key>
552 + <value>0</value>
553 + </param>
554 + <param>
555 + <key>max</key>
556 + <value>100</value>
557 + </param>
558 + <param>
559 + <key>num_steps</key>
560 + <value>100</value>
561 + </param>
562 + <param>
563 + <key>style</key>
564 + <value>wx.SL_HORIZONTAL</value>
565 + </param>
566 + <param>
567 + <key>converver</key>
568 + <value>float_converter</value>
569 + </param>
570 + <param>
571 + <key>grid_pos</key>
572 + <value></value>
573 + </param>
574 + <param>
575 + <key>notebook</key>
576 + <value></value>
577 + </param>
578 + <param>
579 + <key>_coordinate</key>
580 + <value>(524, 539)</value>
581 + </param>
582 + <param>
583 + <key>_rotation</key>
584 + <value>0</value>
585 + </param>
586 + </block>
587 + <block>
588 + <key>rtlsdr_source</key>
589 + <param>
590 + <key>id</key>
591 + <value>rtlsdr_source_0</value>
592 + </param>
593 + <param>
594 + <key>_enabled</key>
595 + <value>True</value>
596 + </param>
597 + <param>
598 + <key>type</key>
599 + <value>fc32</value>
600 + </param>
601 + <param>
602 + <key>args</key>
603 + <value></value>
604 + </param>
605 + <param>
606 + <key>nchan</key>
607 + <value>1</value>
608 + </param>
609 + <param>
610 + <key>sample_rate</key>
611 + <value>samp_rate</value>
612 + </param>
613 + <param>
614 + <key>freq0</key>
615 + <value>freq*1e6</value>
616 + </param>
617 + <param>
618 + <key>corr0</key>
619 + <value>-30</value>
620 + </param>
621 + <param>
622 + <key>dc_offset_mode0</key>
623 + <value>0</value>
624 + </param>
625 + <param>
626 + <key>iq_balance_mode0</key>
627 + <value>0</value>
628 + </param>
629 + <param>
630 + <key>gain_mode0</key>
631 + <value>True</value>
632 + </param>
633 + <param>
634 + <key>gain0</key>
635 + <value>50</value>
636 + </param>
637 + <param>
638 + <key>if_gain0</key>
639 + <value>30</value>
640 + </param>
641 + <param>
642 + <key>bb_gain0</key>
643 + <value>20</value>
644 + </param>
645 + <param>
646 + <key>ant0</key>
647 + <value>1</value>
648 + </param>
649 + <param>
650 + <key>bw0</key>
651 + <value>0</value>
652 + </param>
653 + <param>
654 + <key>freq1</key>
655 + <value>100e6</value>
656 + </param>
657 + <param>
658 + <key>corr1</key>
659 + <value>0</value>
660 + </param>
661 + <param>
662 + <key>dc_offset_mode1</key>
663 + <value>0</value>
664 + </param>
665 + <param>
666 + <key>iq_balance_mode1</key>
667 + <value>0</value>
668 + </param>
669 + <param>
670 + <key>gain_mode1</key>
671 + <value>False</value>
672 + </param>
673 + <param>
674 + <key>gain1</key>
675 + <value>10</value>
676 + </param>
677 + <param>
678 + <key>if_gain1</key>
679 + <value>20</value>
680 + </param>
681 + <param>
682 + <key>bb_gain1</key>
683 + <value>20</value>
684 + </param>
685 + <param>
686 + <key>ant1</key>
687 + <value></value>
688 + </param>
689 + <param>
690 + <key>bw1</key>
691 + <value>0</value>
692 + </param>
693 + <param>
694 + <key>freq2</key>
695 + <value>100e6</value>
696 + </param>
697 + <param>
698 + <key>corr2</key>
699 + <value>0</value>
700 + </param>
701 + <param>
702 + <key>dc_offset_mode2</key>
703 + <value>0</value>
704 + </param>
705 + <param>
706 + <key>iq_balance_mode2</key>
707 + <value>0</value>
708 + </param>
709 + <param>
710 + <key>gain_mode2</key>
711 + <value>False</value>
712 + </param>
713 + <param>
714 + <key>gain2</key>
715 + <value>10</value>
716 + </param>
717 + <param>
718 + <key>if_gain2</key>
719 + <value>20</value>
720 + </param>
721 + <param>
722 + <key>bb_gain2</key>
723 + <value>20</value>
724 + </param>
725 + <param>
726 + <key>ant2</key>
727 + <value></value>
728 + </param>
729 + <param>
730 + <key>bw2</key>
731 + <value>0</value>
732 + </param>
733 + <param>
734 + <key>freq3</key>
735 + <value>100e6</value>
736 + </param>
737 + <param>
738 + <key>corr3</key>
739 + <value>0</value>
740 + </param>
741 + <param>
742 + <key>dc_offset_mode3</key>
743 + <value>0</value>
744 + </param>
745 + <param>
746 + <key>iq_balance_mode3</key>
747 + <value>0</value>
748 + </param>
749 + <param>
750 + <key>gain_mode3</key>
751 + <value>False</value>
752 + </param>
753 + <param>
754 + <key>gain3</key>
755 + <value>10</value>
756 + </param>
757 + <param>
758 + <key>if_gain3</key>
759 + <value>20</value>
760 + </param>
761 + <param>
762 + <key>bb_gain3</key>
763 + <value>20</value>
764 + </param>
765 + <param>
766 + <key>ant3</key>
767 + <value></value>
768 + </param>
769 + <param>
770 + <key>bw3</key>
771 + <value>0</value>
772 + </param>
773 + <param>
774 + <key>freq4</key>
775 + <value>100e6</value>
776 + </param>
777 + <param>
778 + <key>corr4</key>
779 + <value>0</value>
780 + </param>
781 + <param>
782 + <key>dc_offset_mode4</key>
783 + <value>0</value>
784 + </param>
785 + <param>
786 + <key>iq_balance_mode4</key>
787 + <value>0</value>
788 + </param>
789 + <param>
790 + <key>gain_mode4</key>
791 + <value>False</value>
792 + </param>
793 + <param>
794 + <key>gain4</key>
795 + <value>10</value>
796 + </param>
797 + <param>
798 + <key>if_gain4</key>
799 + <value>20</value>
800 + </param>
801 + <param>
802 + <key>bb_gain4</key>
803 + <value>20</value>
804 + </param>
805 + <param>
806 + <key>ant4</key>
807 + <value></value>
808 + </param>
809 + <param>
810 + <key>bw4</key>
811 + <value>0</value>
812 + </param>
813 + <param>
814 + <key>affinity</key>
815 + <value></value>
816 + </param>
817 + <param>
818 + <key>minoutbuf</key>
819 + <value>0</value>
820 + </param>
821 + <param>
822 + <key>maxoutbuf</key>
823 + <value>0</value>
824 + </param>
825 + <param>
826 + <key>_coordinate</key>
827 + <value>(0, 237)</value>
828 + </param>
829 + <param>
830 + <key>_rotation</key>
831 + <value>0</value>
832 + </param>
833 + </block>
834 + <block>
835 + <key>variable_slider</key>
836 + <param>
837 + <key>id</key>
838 + <value>freq</value>
839 + </param>
840 + <param>
841 + <key>_enabled</key>
842 + <value>True</value>
843 + </param>
844 + <param>
845 + <key>label</key>
846 + <value>Frequence RTN</value>
847 + </param>
848 + <param>
849 + <key>value</key>
850 + <value>98.2</value>
851 + </param>
852 + <param>
853 + <key>min</key>
854 + <value>88</value>
855 + </param>
856 + <param>
857 + <key>max</key>
858 + <value>108</value>
859 + </param>
860 + <param>
861 + <key>num_steps</key>
862 + <value>100</value>
863 + </param>
864 + <param>
865 + <key>style</key>
866 + <value>wx.SL_HORIZONTAL</value>
867 + </param>
868 + <param>
869 + <key>converver</key>
870 + <value>float_converter</value>
871 + </param>
872 + <param>
873 + <key>grid_pos</key>
874 + <value></value>
875 + </param>
876 + <param>
877 + <key>notebook</key>
878 + <value></value>
879 + </param>
880 + <param>
881 + <key>_coordinate</key>
882 + <value>(4, 460)</value>
883 + </param>
884 + <param>
885 + <key>_rotation</key>
886 + <value>0</value>
887 + </param>
888 + </block>
889 + <connection>
890 + <source_block_id>analog_wfm_rcv_0</source_block_id>
891 + <sink_block_id>rational_resampler_xxx_1</sink_block_id>
892 + <source_key>0</source_key>
893 + <sink_key>0</sink_key>
894 + </connection>
895 + <connection>
896 + <source_block_id>blocks_multiply_const_vxx_0</source_block_id>
897 + <sink_block_id>audio_sink_0</sink_block_id>
898 + <source_key>0</source_key>
899 + <sink_key>0</sink_key>
900 + </connection>
901 + <connection>
902 + <source_block_id>low_pass_filter_0</source_block_id>
903 + <sink_block_id>analog_wfm_rcv_0</sink_block_id>
904 + <source_key>0</source_key>
905 + <sink_key>0</sink_key>
906 + </connection>
907 + <connection>
908 + <source_block_id>rational_resampler_xxx_0</source_block_id>
909 + <sink_block_id>low_pass_filter_0</sink_block_id>
910 + <source_key>0</source_key>
911 + <sink_key>0</sink_key>
912 + </connection>
913 + <connection>
914 + <source_block_id>rational_resampler_xxx_1</source_block_id>
915 + <sink_block_id>blocks_multiply_const_vxx_0</sink_block_id>
916 + <source_key>0</source_key>
917 + <sink_key>0</sink_key>
918 + </connection>
919 + <connection>
920 + <source_block_id>rtlsdr_source_0</source_block_id>
921 + <sink_block_id>rational_resampler_xxx_0</sink_block_id>
922 + <source_key>0</source_key>
923 + <sink_key>0</sink_key>
924 + </connection>
925 + <connection>
926 + <source_block_id>rtlsdr_source_0</source_block_id>
927 + <sink_block_id>wxgui_waterfallsink2_0</sink_block_id>
928 + <source_key>0</source_key>
929 + <sink_key>0</sink_key>
930 + </connection>
931 +</flow_graph>
932 +