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  1. <?xml version='1.0' encoding='ASCII'?>
  2. <flow_graph>
  3. <timestamp>Thu Apr 26 10:49:33 2012</timestamp>
  4. <block>
  5. <key>variable</key>
  6. <param>
  7. <key>id</key>
  8. <value>channel_rate</value>
  9. </param>
  10. <param>
  11. <key>_enabled</key>
  12. <value>True</value>
  13. </param>
  14. <param>
  15. <key>value</key>
  16. <value>24000</value>
  17. </param>
  18. <param>
  19. <key>_coordinate</key>
  20. <value>(226, 405)</value>
  21. </param>
  22. <param>
  23. <key>_rotation</key>
  24. <value>0</value>
  25. </param>
  26. </block>
  27. <block>
  28. <key>import</key>
  29. <param>
  30. <key>id</key>
  31. <value>import_0</value>
  32. </param>
  33. <param>
  34. <key>_enabled</key>
  35. <value>True</value>
  36. </param>
  37. <param>
  38. <key>import</key>
  39. <value>import math</value>
  40. </param>
  41. <param>
  42. <key>_coordinate</key>
  43. <value>(237, 348)</value>
  44. </param>
  45. <param>
  46. <key>_rotation</key>
  47. <value>0</value>
  48. </param>
  49. </block>
  50. <block>
  51. <key>blks2_rational_resampler_xxx</key>
  52. <param>
  53. <key>id</key>
  54. <value>blks2_rational_resampler_xxx_1</value>
  55. </param>
  56. <param>
  57. <key>_enabled</key>
  58. <value>True</value>
  59. </param>
  60. <param>
  61. <key>type</key>
  62. <value>ccc</value>
  63. </param>
  64. <param>
  65. <key>decim</key>
  66. <value>pre_channel_rate</value>
  67. </param>
  68. <param>
  69. <key>interp</key>
  70. <value>channel_rate</value>
  71. </param>
  72. <param>
  73. <key>taps</key>
  74. <value>[]</value>
  75. </param>
  76. <param>
  77. <key>fractional_bw</key>
  78. <value>0</value>
  79. </param>
  80. <param>
  81. <key>_coordinate</key>
  82. <value>(902, 342)</value>
  83. </param>
  84. <param>
  85. <key>_rotation</key>
  86. <value>0</value>
  87. </param>
  88. </block>
  89. <block>
  90. <key>blks2_nbfm_rx</key>
  91. <param>
  92. <key>id</key>
  93. <value>blks2_nbfm_rx_0</value>
  94. </param>
  95. <param>
  96. <key>_enabled</key>
  97. <value>True</value>
  98. </param>
  99. <param>
  100. <key>audio_rate</key>
  101. <value>audio_rate</value>
  102. </param>
  103. <param>
  104. <key>quad_rate</key>
  105. <value>channel_rate</value>
  106. </param>
  107. <param>
  108. <key>tau</key>
  109. <value>75e-6</value>
  110. </param>
  111. <param>
  112. <key>max_dev</key>
  113. <value>6e3</value>
  114. </param>
  115. <param>
  116. <key>_coordinate</key>
  117. <value>(1106, 342)</value>
  118. </param>
  119. <param>
  120. <key>_rotation</key>
  121. <value>0</value>
  122. </param>
  123. </block>
  124. <block>
  125. <key>gr_freq_xlating_fir_filter_xxx</key>
  126. <param>
  127. <key>id</key>
  128. <value>gr_freq_xlating_fir_filter_xxx_0</value>
  129. </param>
  130. <param>
  131. <key>_enabled</key>
  132. <value>True</value>
  133. </param>
  134. <param>
  135. <key>type</key>
  136. <value>ccc</value>
  137. </param>
  138. <param>
  139. <key>decim</key>
  140. <value>decim</value>
  141. </param>
  142. <param>
  143. <key>taps</key>
  144. <value>firdes.low_pass(1, samp_rate, xlate_bandwidth/2, 1000)</value>
  145. </param>
  146. <param>
  147. <key>center_freq</key>
  148. <value>freq-xlate_offset1</value>
  149. </param>
  150. <param>
  151. <key>samp_rate</key>
  152. <value>samp_rate</value>
  153. </param>
  154. <param>
  155. <key>_coordinate</key>
  156. <value>(454, 342)</value>
  157. </param>
  158. <param>
  159. <key>_rotation</key>
  160. <value>0</value>
  161. </param>
  162. </block>
  163. <block>
  164. <key>variable</key>
  165. <param>
  166. <key>id</key>
  167. <value>pre_channel_rate</value>
  168. </param>
  169. <param>
  170. <key>_enabled</key>
  171. <value>True</value>
  172. </param>
  173. <param>
  174. <key>value</key>
  175. <value>samp_rate/decim</value>
  176. </param>
  177. <param>
  178. <key>_coordinate</key>
  179. <value>(353, 15)</value>
  180. </param>
  181. <param>
  182. <key>_rotation</key>
  183. <value>0</value>
  184. </param>
  185. </block>
  186. <block>
  187. <key>gr_freq_xlating_fir_filter_xxx</key>
  188. <param>
  189. <key>id</key>
  190. <value>gr_freq_xlating_fir_filter_xxx_0_0</value>
  191. </param>
  192. <param>
  193. <key>_enabled</key>
  194. <value>True</value>
  195. </param>
  196. <param>
  197. <key>type</key>
  198. <value>ccc</value>
  199. </param>
  200. <param>
  201. <key>decim</key>
  202. <value>decim</value>
  203. </param>
  204. <param>
  205. <key>taps</key>
  206. <value>firdes.low_pass(1, samp_rate, xlate_bandwidth/2, 1000)</value>
  207. </param>
  208. <param>
  209. <key>center_freq</key>
  210. <value>freq-xlate_offset2</value>
  211. </param>
  212. <param>
  213. <key>samp_rate</key>
  214. <value>samp_rate</value>
  215. </param>
  216. <param>
  217. <key>_coordinate</key>
  218. <value>(465, 469)</value>
  219. </param>
  220. <param>
  221. <key>_rotation</key>
  222. <value>0</value>
  223. </param>
  224. </block>
  225. <block>
  226. <key>blks2_rational_resampler_xxx</key>
  227. <param>
  228. <key>id</key>
  229. <value>blks2_rational_resampler_xxx_1_0</value>
  230. </param>
  231. <param>
  232. <key>_enabled</key>
  233. <value>True</value>
  234. </param>
  235. <param>
  236. <key>type</key>
  237. <value>ccc</value>
  238. </param>
  239. <param>
  240. <key>decim</key>
  241. <value>pre_channel_rate</value>
  242. </param>
  243. <param>
  244. <key>interp</key>
  245. <value>channel_rate</value>
  246. </param>
  247. <param>
  248. <key>taps</key>
  249. <value>[]</value>
  250. </param>
  251. <param>
  252. <key>fractional_bw</key>
  253. <value>0</value>
  254. </param>
  255. <param>
  256. <key>_coordinate</key>
  257. <value>(900, 471)</value>
  258. </param>
  259. <param>
  260. <key>_rotation</key>
  261. <value>0</value>
  262. </param>
  263. </block>
  264. <block>
  265. <key>blks2_nbfm_rx</key>
  266. <param>
  267. <key>id</key>
  268. <value>blks2_nbfm_rx_0_0</value>
  269. </param>
  270. <param>
  271. <key>_enabled</key>
  272. <value>True</value>
  273. </param>
  274. <param>
  275. <key>audio_rate</key>
  276. <value>audio_rate</value>
  277. </param>
  278. <param>
  279. <key>quad_rate</key>
  280. <value>channel_rate</value>
  281. </param>
  282. <param>
  283. <key>tau</key>
  284. <value>75e-6</value>
  285. </param>
  286. <param>
  287. <key>max_dev</key>
  288. <value>6e3</value>
  289. </param>
  290. <param>
  291. <key>_coordinate</key>
  292. <value>(1101, 471)</value>
  293. </param>
  294. <param>
  295. <key>_rotation</key>
  296. <value>0</value>
  297. </param>
  298. </block>
  299. <block>
  300. <key>gr_pwr_squelch_xx</key>
  301. <param>
  302. <key>id</key>
  303. <value>gr_pwr_squelch_xx_0_0</value>
  304. </param>
  305. <param>
  306. <key>_enabled</key>
  307. <value>True</value>
  308. </param>
  309. <param>
  310. <key>type</key>
  311. <value>complex</value>
  312. </param>
  313. <param>
  314. <key>threshold</key>
  315. <value>sql_thresh2</value>
  316. </param>
  317. <param>
  318. <key>alpha</key>
  319. <value>1e-3</value>
  320. </param>
  321. <param>
  322. <key>ramp</key>
  323. <value>0</value>
  324. </param>
  325. <param>
  326. <key>gate</key>
  327. <value>False</value>
  328. </param>
  329. <param>
  330. <key>_coordinate</key>
  331. <value>(710, 469)</value>
  332. </param>
  333. <param>
  334. <key>_rotation</key>
  335. <value>0</value>
  336. </param>
  337. </block>
  338. <block>
  339. <key>variable_config</key>
  340. <param>
  341. <key>id</key>
  342. <value>config_sql_thresh1</value>
  343. </param>
  344. <param>
  345. <key>_enabled</key>
  346. <value>True</value>
  347. </param>
  348. <param>
  349. <key>value</key>
  350. <value>-20</value>
  351. </param>
  352. <param>
  353. <key>type</key>
  354. <value>real</value>
  355. </param>
  356. <param>
  357. <key>config_file</key>
  358. <value>.grc_rtl</value>
  359. </param>
  360. <param>
  361. <key>section</key>
  362. <value>main</value>
  363. </param>
  364. <param>
  365. <key>option</key>
  366. <value>sql_thresh1</value>
  367. </param>
  368. <param>
  369. <key>writeback</key>
  370. <value>sql_thresh1</value>
  371. </param>
  372. <param>
  373. <key>_coordinate</key>
  374. <value>(40, 1312)</value>
  375. </param>
  376. <param>
  377. <key>_rotation</key>
  378. <value>0</value>
  379. </param>
  380. </block>
  381. <block>
  382. <key>variable_config</key>
  383. <param>
  384. <key>id</key>
  385. <value>config_xlate_offset1</value>
  386. </param>
  387. <param>
  388. <key>_enabled</key>
  389. <value>True</value>
  390. </param>
  391. <param>
  392. <key>value</key>
  393. <value>0</value>
  394. </param>
  395. <param>
  396. <key>type</key>
  397. <value>real</value>
  398. </param>
  399. <param>
  400. <key>config_file</key>
  401. <value>.grc_rtl</value>
  402. </param>
  403. <param>
  404. <key>section</key>
  405. <value>main</value>
  406. </param>
  407. <param>
  408. <key>option</key>
  409. <value>xlate_offset1</value>
  410. </param>
  411. <param>
  412. <key>writeback</key>
  413. <value>xlate_offset1</value>
  414. </param>
  415. <param>
  416. <key>_coordinate</key>
  417. <value>(34, 1153)</value>
  418. </param>
  419. <param>
  420. <key>_rotation</key>
  421. <value>0</value>
  422. </param>
  423. </block>
  424. <block>
  425. <key>variable_config</key>
  426. <param>
  427. <key>id</key>
  428. <value>config_sql_thresh2</value>
  429. </param>
  430. <param>
  431. <key>_enabled</key>
  432. <value>True</value>
  433. </param>
  434. <param>
  435. <key>value</key>
  436. <value>-20</value>
  437. </param>
  438. <param>
  439. <key>type</key>
  440. <value>real</value>
  441. </param>
  442. <param>
  443. <key>config_file</key>
  444. <value>.grc_rtl</value>
  445. </param>
  446. <param>
  447. <key>section</key>
  448. <value>main</value>
  449. </param>
  450. <param>
  451. <key>option</key>
  452. <value>sql_thresh2</value>
  453. </param>
  454. <param>
  455. <key>writeback</key>
  456. <value>sql_thresh2</value>
  457. </param>
  458. <param>
  459. <key>_coordinate</key>
  460. <value>(180, 1312)</value>
  461. </param>
  462. <param>
  463. <key>_rotation</key>
  464. <value>0</value>
  465. </param>
  466. </block>
  467. <block>
  468. <key>variable_config</key>
  469. <param>
  470. <key>id</key>
  471. <value>config_xlate_offset2</value>
  472. </param>
  473. <param>
  474. <key>_enabled</key>
  475. <value>True</value>
  476. </param>
  477. <param>
  478. <key>value</key>
  479. <value>0</value>
  480. </param>
  481. <param>
  482. <key>type</key>
  483. <value>real</value>
  484. </param>
  485. <param>
  486. <key>config_file</key>
  487. <value>.grc_rtl</value>
  488. </param>
  489. <param>
  490. <key>section</key>
  491. <value>main</value>
  492. </param>
  493. <param>
  494. <key>option</key>
  495. <value>xlate_offset2</value>
  496. </param>
  497. <param>
  498. <key>writeback</key>
  499. <value>xlate_offset2</value>
  500. </param>
  501. <param>
  502. <key>_coordinate</key>
  503. <value>(181, 1150)</value>
  504. </param>
  505. <param>
  506. <key>_rotation</key>
  507. <value>0</value>
  508. </param>
  509. </block>
  510. <block>
  511. <key>variable_text_box</key>
  512. <param>
  513. <key>id</key>
  514. <value>xlate_offset1</value>
  515. </param>
  516. <param>
  517. <key>_enabled</key>
  518. <value>True</value>
  519. </param>
  520. <param>
  521. <key>label</key>
  522. <value>RX Frequency 1</value>
  523. </param>
  524. <param>
  525. <key>value</key>
  526. <value>config_xlate_offset1</value>
  527. </param>
  528. <param>
  529. <key>converver</key>
  530. <value>float_converter</value>
  531. </param>
  532. <param>
  533. <key>formatter</key>
  534. <value>None</value>
  535. </param>
  536. <param>
  537. <key>grid_pos</key>
  538. <value>0,0,1,2</value>
  539. </param>
  540. <param>
  541. <key>notebook</key>
  542. <value></value>
  543. </param>
  544. <param>
  545. <key>_coordinate</key>
  546. <value>(24, 793)</value>
  547. </param>
  548. <param>
  549. <key>_rotation</key>
  550. <value>0</value>
  551. </param>
  552. </block>
  553. <block>
  554. <key>variable_text_box</key>
  555. <param>
  556. <key>id</key>
  557. <value>xlate_offset2</value>
  558. </param>
  559. <param>
  560. <key>_enabled</key>
  561. <value>True</value>
  562. </param>
  563. <param>
  564. <key>label</key>
  565. <value>RX Frequency 2</value>
  566. </param>
  567. <param>
  568. <key>value</key>
  569. <value>config_xlate_offset2</value>
  570. </param>
  571. <param>
  572. <key>converver</key>
  573. <value>float_converter</value>
  574. </param>
  575. <param>
  576. <key>formatter</key>
  577. <value>None</value>
  578. </param>
  579. <param>
  580. <key>grid_pos</key>
  581. <value>1,0,1,2</value>
  582. </param>
  583. <param>
  584. <key>notebook</key>
  585. <value></value>
  586. </param>
  587. <param>
  588. <key>_coordinate</key>
  589. <value>(172, 793)</value>
  590. </param>
  591. <param>
  592. <key>_rotation</key>
  593. <value>0</value>
  594. </param>
  595. </block>
  596. <block>
  597. <key>variable_slider</key>
  598. <param>
  599. <key>id</key>
  600. <value>sql_thresh1</value>
  601. </param>
  602. <param>
  603. <key>_enabled</key>
  604. <value>True</value>
  605. </param>
  606. <param>
  607. <key>label</key>
  608. <value>Squelch Threshold</value>
  609. </param>
  610. <param>
  611. <key>value</key>
  612. <value>config_sql_thresh1</value>
  613. </param>
  614. <param>
  615. <key>min</key>
  616. <value>-100</value>
  617. </param>
  618. <param>
  619. <key>max</key>
  620. <value>100</value>
  621. </param>
  622. <param>
  623. <key>num_steps</key>
  624. <value>1000</value>
  625. </param>
  626. <param>
  627. <key>style</key>
  628. <value>wx.SL_HORIZONTAL</value>
  629. </param>
  630. <param>
  631. <key>converver</key>
  632. <value>float_converter</value>
  633. </param>
  634. <param>
  635. <key>grid_pos</key>
  636. <value>0,3,1,3</value>
  637. </param>
  638. <param>
  639. <key>notebook</key>
  640. <value></value>
  641. </param>
  642. <param>
  643. <key>_coordinate</key>
  644. <value>(20, 905)</value>
  645. </param>
  646. <param>
  647. <key>_rotation</key>
  648. <value>0</value>
  649. </param>
  650. </block>
  651. <block>
  652. <key>variable_slider</key>
  653. <param>
  654. <key>id</key>
  655. <value>sql_thresh2</value>
  656. </param>
  657. <param>
  658. <key>_enabled</key>
  659. <value>True</value>
  660. </param>
  661. <param>
  662. <key>label</key>
  663. <value>Squelch Threshold 2</value>
  664. </param>
  665. <param>
  666. <key>value</key>
  667. <value>config_sql_thresh2</value>
  668. </param>
  669. <param>
  670. <key>min</key>
  671. <value>-100</value>
  672. </param>
  673. <param>
  674. <key>max</key>
  675. <value>100</value>
  676. </param>
  677. <param>
  678. <key>num_steps</key>
  679. <value>1000</value>
  680. </param>
  681. <param>
  682. <key>style</key>
  683. <value>wx.SL_HORIZONTAL</value>
  684. </param>
  685. <param>
  686. <key>converver</key>
  687. <value>float_converter</value>
  688. </param>
  689. <param>
  690. <key>grid_pos</key>
  691. <value>1,3,1,3</value>
  692. </param>
  693. <param>
  694. <key>notebook</key>
  695. <value></value>
  696. </param>
  697. <param>
  698. <key>_coordinate</key>
  699. <value>(173, 906)</value>
  700. </param>
  701. <param>
  702. <key>_rotation</key>
  703. <value>0</value>
  704. </param>
  705. </block>
  706. <block>
  707. <key>variable</key>
  708. <param>
  709. <key>id</key>
  710. <value>audio_rate</value>
  711. </param>
  712. <param>
  713. <key>_enabled</key>
  714. <value>True</value>
  715. </param>
  716. <param>
  717. <key>value</key>
  718. <value>12000</value>
  719. </param>
  720. <param>
  721. <key>_coordinate</key>
  722. <value>(142, 255)</value>
  723. </param>
  724. <param>
  725. <key>_rotation</key>
  726. <value>0</value>
  727. </param>
  728. </block>
  729. <block>
  730. <key>variable_slider</key>
  731. <param>
  732. <key>id</key>
  733. <value>gain</value>
  734. </param>
  735. <param>
  736. <key>_enabled</key>
  737. <value>True</value>
  738. </param>
  739. <param>
  740. <key>label</key>
  741. <value>RX Gain</value>
  742. </param>
  743. <param>
  744. <key>value</key>
  745. <value>1</value>
  746. </param>
  747. <param>
  748. <key>min</key>
  749. <value>0</value>
  750. </param>
  751. <param>
  752. <key>max</key>
  753. <value>1</value>
  754. </param>
  755. <param>
  756. <key>num_steps</key>
  757. <value>100</value>
  758. </param>
  759. <param>
  760. <key>style</key>
  761. <value>wx.SL_HORIZONTAL</value>
  762. </param>
  763. <param>
  764. <key>converver</key>
  765. <value>float_converter</value>
  766. </param>
  767. <param>
  768. <key>grid_pos</key>
  769. <value>2,6,1,1</value>
  770. </param>
  771. <param>
  772. <key>notebook</key>
  773. <value></value>
  774. </param>
  775. <param>
  776. <key>_coordinate</key>
  777. <value>(6, 448)</value>
  778. </param>
  779. <param>
  780. <key>_rotation</key>
  781. <value>0</value>
  782. </param>
  783. </block>
  784. <block>
  785. <key>variable_slider</key>
  786. <param>
  787. <key>id</key>
  788. <value>audio_mul</value>
  789. </param>
  790. <param>
  791. <key>_enabled</key>
  792. <value>True</value>
  793. </param>
  794. <param>
  795. <key>label</key>
  796. <value>Volume</value>
  797. </param>
  798. <param>
  799. <key>value</key>
  800. <value>1</value>
  801. </param>
  802. <param>
  803. <key>min</key>
  804. <value>0</value>
  805. </param>
  806. <param>
  807. <key>max</key>
  808. <value>10</value>
  809. </param>
  810. <param>
  811. <key>num_steps</key>
  812. <value>100</value>
  813. </param>
  814. <param>
  815. <key>style</key>
  816. <value>wx.SL_HORIZONTAL</value>
  817. </param>
  818. <param>
  819. <key>converver</key>
  820. <value>float_converter</value>
  821. </param>
  822. <param>
  823. <key>grid_pos</key>
  824. <value></value>
  825. </param>
  826. <param>
  827. <key>notebook</key>
  828. <value></value>
  829. </param>
  830. <param>
  831. <key>_coordinate</key>
  832. <value>(114, 345)</value>
  833. </param>
  834. <param>
  835. <key>_rotation</key>
  836. <value>0</value>
  837. </param>
  838. </block>
  839. <block>
  840. <key>rtl2832_source</key>
  841. <param>
  842. <key>id</key>
  843. <value>rtl2832_source_0</value>
  844. </param>
  845. <param>
  846. <key>_enabled</key>
  847. <value>True</value>
  848. </param>
  849. <param>
  850. <key>verbose</key>
  851. <value>True</value>
  852. </param>
  853. <param>
  854. <key>sample_rate</key>
  855. <value>samp_rate</value>
  856. </param>
  857. <param>
  858. <key>frequency</key>
  859. <value>freq+freq_offset</value>
  860. </param>
  861. <param>
  862. <key>bandwidth</key>
  863. <value>0</value>
  864. </param>
  865. <param>
  866. <key>relative_gain</key>
  867. <value>True</value>
  868. </param>
  869. <param>
  870. <key>gain</key>
  871. <value>gain</value>
  872. </param>
  873. <param>
  874. <key>gain_mode</key>
  875. <value></value>
  876. </param>
  877. <param>
  878. <key>auto_gain_mode</key>
  879. <value>False</value>
  880. </param>
  881. <param>
  882. <key>usb_vid</key>
  883. <value>0x0</value>
  884. </param>
  885. <param>
  886. <key>usb_pid</key>
  887. <value>0x0</value>
  888. </param>
  889. <param>
  890. <key>tuner_name</key>
  891. <value></value>
  892. </param>
  893. <param>
  894. <key>read_length</key>
  895. <value>1024*128*2</value>
  896. </param>
  897. <param>
  898. <key>xfer_timeout</key>
  899. <value>0</value>
  900. </param>
  901. <param>
  902. <key>use_buffer</key>
  903. <value>True</value>
  904. </param>
  905. <param>
  906. <key>buf_mul</key>
  907. <value>0</value>
  908. </param>
  909. <param>
  910. <key>buf_level</key>
  911. <value>0</value>
  912. </param>
  913. <param>
  914. <key>fir_coeffs</key>
  915. <value>[]</value>
  916. </param>
  917. <param>
  918. <key>xtal_freq</key>
  919. <value>0</value>
  920. </param>
  921. <param>
  922. <key>_coordinate</key>
  923. <value>(158, 105)</value>
  924. </param>
  925. <param>
  926. <key>_rotation</key>
  927. <value>0</value>
  928. </param>
  929. </block>
  930. <block>
  931. <key>variable</key>
  932. <param>
  933. <key>id</key>
  934. <value>decim</value>
  935. </param>
  936. <param>
  937. <key>_enabled</key>
  938. <value>True</value>
  939. </param>
  940. <param>
  941. <key>value</key>
  942. <value>20</value>
  943. </param>
  944. <param>
  945. <key>_coordinate</key>
  946. <value>(184, 15)</value>
  947. </param>
  948. <param>
  949. <key>_rotation</key>
  950. <value>0</value>
  951. </param>
  952. </block>
  953. <block>
  954. <key>gr_pwr_squelch_xx</key>
  955. <param>
  956. <key>id</key>
  957. <value>gr_pwr_squelch_xx_0</value>
  958. </param>
  959. <param>
  960. <key>_enabled</key>
  961. <value>True</value>
  962. </param>
  963. <param>
  964. <key>type</key>
  965. <value>complex</value>
  966. </param>
  967. <param>
  968. <key>threshold</key>
  969. <value>sql_thresh1</value>
  970. </param>
  971. <param>
  972. <key>alpha</key>
  973. <value>1e-3</value>
  974. </param>
  975. <param>
  976. <key>ramp</key>
  977. <value>0</value>
  978. </param>
  979. <param>
  980. <key>gate</key>
  981. <value>False</value>
  982. </param>
  983. <param>
  984. <key>_coordinate</key>
  985. <value>(714, 342)</value>
  986. </param>
  987. <param>
  988. <key>_rotation</key>
  989. <value>0</value>
  990. </param>
  991. </block>
  992. <block>
  993. <key>variable</key>
  994. <param>
  995. <key>id</key>
  996. <value>samp_rate</value>
  997. </param>
  998. <param>
  999. <key>_enabled</key>
  1000. <value>True</value>
  1001. </param>
  1002. <param>
  1003. <key>value</key>
  1004. <value>1000000</value>
  1005. </param>
  1006. <param>
  1007. <key>_coordinate</key>
  1008. <value>(258, 15)</value>
  1009. </param>
  1010. <param>
  1011. <key>_rotation</key>
  1012. <value>0</value>
  1013. </param>
  1014. </block>
  1015. <block>
  1016. <key>blks2_rational_resampler_xxx</key>
  1017. <param>
  1018. <key>id</key>
  1019. <value>blks2_rational_resampler_xxx_0_0</value>
  1020. </param>
  1021. <param>
  1022. <key>_enabled</key>
  1023. <value>True</value>
  1024. </param>
  1025. <param>
  1026. <key>type</key>
  1027. <value>fff</value>
  1028. </param>
  1029. <param>
  1030. <key>decim</key>
  1031. <value>audio_rate</value>
  1032. </param>
  1033. <param>
  1034. <key>interp</key>
  1035. <value>48000*0+48000</value>
  1036. </param>
  1037. <param>
  1038. <key>taps</key>
  1039. <value>[]</value>
  1040. </param>
  1041. <param>
  1042. <key>fractional_bw</key>
  1043. <value>0</value>
  1044. </param>
  1045. <param>
  1046. <key>_coordinate</key>
  1047. <value>(1300, 470)</value>
  1048. </param>
  1049. <param>
  1050. <key>_rotation</key>
  1051. <value>0</value>
  1052. </param>
  1053. </block>
  1054. <block>
  1055. <key>audio_sink</key>
  1056. <param>
  1057. <key>id</key>
  1058. <value>audio_sink_0_0</value>
  1059. </param>
  1060. <param>
  1061. <key>_enabled</key>
  1062. <value>True</value>
  1063. </param>
  1064. <param>
  1065. <key>samp_rate</key>
  1066. <value>48000</value>
  1067. </param>
  1068. <param>
  1069. <key>device_name</key>
  1070. <value></value>
  1071. </param>
  1072. <param>
  1073. <key>ok_to_block</key>
  1074. <value>True</value>
  1075. </param>
  1076. <param>
  1077. <key>num_inputs</key>
  1078. <value>1</value>
  1079. </param>
  1080. <param>
  1081. <key>_coordinate</key>
  1082. <value>(1876, 429)</value>
  1083. </param>
  1084. <param>
  1085. <key>_rotation</key>
  1086. <value>0</value>
  1087. </param>
  1088. </block>
  1089. <block>
  1090. <key>variable_config</key>
  1091. <param>
  1092. <key>id</key>
  1093. <value>config_freq</value>
  1094. </param>
  1095. <param>
  1096. <key>_enabled</key>
  1097. <value>True</value>
  1098. </param>
  1099. <param>
  1100. <key>value</key>
  1101. <value>4601e5</value>
  1102. </param>
  1103. <param>
  1104. <key>type</key>
  1105. <value>real</value>
  1106. </param>
  1107. <param>
  1108. <key>config_file</key>
  1109. <value>.grc_rtl</value>
  1110. </param>
  1111. <param>
  1112. <key>section</key>
  1113. <value>main</value>
  1114. </param>
  1115. <param>
  1116. <key>option</key>
  1117. <value>freq</value>
  1118. </param>
  1119. <param>
  1120. <key>writeback</key>
  1121. <value>freq</value>
  1122. </param>
  1123. <param>
  1124. <key>_coordinate</key>
  1125. <value>(12, 613)</value>
  1126. </param>
  1127. <param>
  1128. <key>_rotation</key>
  1129. <value>0</value>
  1130. </param>
  1131. </block>
  1132. <block>
  1133. <key>variable_text_box</key>
  1134. <param>
  1135. <key>id</key>
  1136. <value>freq_offset</value>
  1137. </param>
  1138. <param>
  1139. <key>_enabled</key>
  1140. <value>True</value>
  1141. </param>
  1142. <param>
  1143. <key>label</key>
  1144. <value>Frequency Offset</value>
  1145. </param>
  1146. <param>
  1147. <key>value</key>
  1148. <value>0</value>
  1149. </param>
  1150. <param>
  1151. <key>converver</key>
  1152. <value>float_converter</value>
  1153. </param>
  1154. <param>
  1155. <key>formatter</key>
  1156. <value>None</value>
  1157. </param>
  1158. <param>
  1159. <key>grid_pos</key>
  1160. <value>1,6,1,1</value>
  1161. </param>
  1162. <param>
  1163. <key>notebook</key>
  1164. <value></value>
  1165. </param>
  1166. <param>
  1167. <key>_coordinate</key>
  1168. <value>(5, 226)</value>
  1169. </param>
  1170. <param>
  1171. <key>_rotation</key>
  1172. <value>0</value>
  1173. </param>
  1174. </block>
  1175. <block>
  1176. <key>variable_text_box</key>
  1177. <param>
  1178. <key>id</key>
  1179. <value>freq</value>
  1180. </param>
  1181. <param>
  1182. <key>_enabled</key>
  1183. <value>True</value>
  1184. </param>
  1185. <param>
  1186. <key>label</key>
  1187. <value>Center Frequency</value>
  1188. </param>
  1189. <param>
  1190. <key>value</key>
  1191. <value>config_freq</value>
  1192. </param>
  1193. <param>
  1194. <key>converver</key>
  1195. <value>float_converter</value>
  1196. </param>
  1197. <param>
  1198. <key>formatter</key>
  1199. <value>None</value>
  1200. </param>
  1201. <param>
  1202. <key>grid_pos</key>
  1203. <value>0,6,1,1</value>
  1204. </param>
  1205. <param>
  1206. <key>notebook</key>
  1207. <value></value>
  1208. </param>
  1209. <param>
  1210. <key>_coordinate</key>
  1211. <value>(10, 93)</value>
  1212. </param>
  1213. <param>
  1214. <key>_rotation</key>
  1215. <value>0</value>
  1216. </param>
  1217. </block>
  1218. <block>
  1219. <key>blks2_rational_resampler_xxx</key>
  1220. <param>
  1221. <key>id</key>
  1222. <value>blks2_rational_resampler_xxx_0</value>
  1223. </param>
  1224. <param>
  1225. <key>_enabled</key>
  1226. <value>True</value>
  1227. </param>
  1228. <param>
  1229. <key>type</key>
  1230. <value>fff</value>
  1231. </param>
  1232. <param>
  1233. <key>decim</key>
  1234. <value>audio_rate</value>
  1235. </param>
  1236. <param>
  1237. <key>interp</key>
  1238. <value>48000*0+48000</value>
  1239. </param>
  1240. <param>
  1241. <key>taps</key>
  1242. <value>[]</value>
  1243. </param>
  1244. <param>
  1245. <key>fractional_bw</key>
  1246. <value>0</value>
  1247. </param>
  1248. <param>
  1249. <key>_coordinate</key>
  1250. <value>(1305, 342)</value>
  1251. </param>
  1252. <param>
  1253. <key>_rotation</key>
  1254. <value>0</value>
  1255. </param>
  1256. </block>
  1257. <block>
  1258. <key>gr_add_xx</key>
  1259. <param>
  1260. <key>id</key>
  1261. <value>gr_add_xx_0</value>
  1262. </param>
  1263. <param>
  1264. <key>_enabled</key>
  1265. <value>True</value>
  1266. </param>
  1267. <param>
  1268. <key>type</key>
  1269. <value>float</value>
  1270. </param>
  1271. <param>
  1272. <key>num_inputs</key>
  1273. <value>2</value>
  1274. </param>
  1275. <param>
  1276. <key>vlen</key>
  1277. <value>1</value>
  1278. </param>
  1279. <param>
  1280. <key>_coordinate</key>
  1281. <value>(1536, 417)</value>
  1282. </param>
  1283. <param>
  1284. <key>_rotation</key>
  1285. <value>0</value>
  1286. </param>
  1287. </block>
  1288. <block>
  1289. <key>blks2_fm_deemph</key>
  1290. <param>
  1291. <key>id</key>
  1292. <value>blks2_fm_deemph_0</value>
  1293. </param>
  1294. <param>
  1295. <key>_enabled</key>
  1296. <value>True</value>
  1297. </param>
  1298. <param>
  1299. <key>samp_rate</key>
  1300. <value>48000</value>
  1301. </param>
  1302. <param>
  1303. <key>tau</key>
  1304. <value>75e-6</value>
  1305. </param>
  1306. <param>
  1307. <key>_coordinate</key>
  1308. <value>(1651, 468)</value>
  1309. </param>
  1310. <param>
  1311. <key>_rotation</key>
  1312. <value>0</value>
  1313. </param>
  1314. </block>
  1315. <block>
  1316. <key>gr_multiply_const_vxx</key>
  1317. <param>
  1318. <key>id</key>
  1319. <value>gr_multiply_const_vxx_0</value>
  1320. </param>
  1321. <param>
  1322. <key>_enabled</key>
  1323. <value>True</value>
  1324. </param>
  1325. <param>
  1326. <key>type</key>
  1327. <value>float</value>
  1328. </param>
  1329. <param>
  1330. <key>const</key>
  1331. <value>audio_mul</value>
  1332. </param>
  1333. <param>
  1334. <key>vlen</key>
  1335. <value>1</value>
  1336. </param>
  1337. <param>
  1338. <key>_coordinate</key>
  1339. <value>(1662, 410)</value>
  1340. </param>
  1341. <param>
  1342. <key>_rotation</key>
  1343. <value>0</value>
  1344. </param>
  1345. </block>
  1346. <block>
  1347. <key>variable_config</key>
  1348. <param>
  1349. <key>id</key>
  1350. <value>config_xlate_bandwidth</value>
  1351. </param>
  1352. <param>
  1353. <key>_enabled</key>
  1354. <value>True</value>
  1355. </param>
  1356. <param>
  1357. <key>value</key>
  1358. <value>12500</value>
  1359. </param>
  1360. <param>
  1361. <key>type</key>
  1362. <value>real</value>
  1363. </param>
  1364. <param>
  1365. <key>config_file</key>
  1366. <value>.grc_rtl</value>
  1367. </param>
  1368. <param>
  1369. <key>section</key>
  1370. <value>main</value>
  1371. </param>
  1372. <param>
  1373. <key>option</key>
  1374. <value>xlate_bandwidth</value>
  1375. </param>
  1376. <param>
  1377. <key>writeback</key>
  1378. <value>xlate_bandwidth</value>
  1379. </param>
  1380. <param>
  1381. <key>_coordinate</key>
  1382. <value>(212, 489)</value>
  1383. </param>
  1384. <param>
  1385. <key>_rotation</key>
  1386. <value>0</value>
  1387. </param>
  1388. </block>
  1389. <block>
  1390. <key>variable_slider</key>
  1391. <param>
  1392. <key>id</key>
  1393. <value>xlate_bandwidth</value>
  1394. </param>
  1395. <param>
  1396. <key>_enabled</key>
  1397. <value>True</value>
  1398. </param>
  1399. <param>
  1400. <key>label</key>
  1401. <value>Channel Bandwidth</value>
  1402. </param>
  1403. <param>
  1404. <key>value</key>
  1405. <value>config_xlate_bandwidth</value>
  1406. </param>
  1407. <param>
  1408. <key>min</key>
  1409. <value>5000</value>
  1410. </param>
  1411. <param>
  1412. <key>max</key>
  1413. <value>50000</value>
  1414. </param>
  1415. <param>
  1416. <key>num_steps</key>
  1417. <value>1000</value>
  1418. </param>
  1419. <param>
  1420. <key>style</key>
  1421. <value>wx.SL_HORIZONTAL</value>
  1422. </param>
  1423. <param>
  1424. <key>converver</key>
  1425. <value>float_converter</value>
  1426. </param>
  1427. <param>
  1428. <key>grid_pos</key>
  1429. <value>2,4,1,1</value>
  1430. </param>
  1431. <param>
  1432. <key>notebook</key>
  1433. <value></value>
  1434. </param>
  1435. <param>
  1436. <key>_coordinate</key>
  1437. <value>(210, 641)</value>
  1438. </param>
  1439. <param>
  1440. <key>_rotation</key>
  1441. <value>0</value>
  1442. </param>
  1443. </block>
  1444. <block>
  1445. <key>wxgui_fftsink2</key>
  1446. <param>
  1447. <key>id</key>
  1448. <value>wxgui_fftsink2_0</value>
  1449. </param>
  1450. <param>
  1451. <key>_enabled</key>
  1452. <value>True</value>
  1453. </param>
  1454. <param>
  1455. <key>type</key>
  1456. <value>complex</value>
  1457. </param>
  1458. <param>
  1459. <key>title</key>
  1460. <value>Spectrum @ 1Mhz</value>
  1461. </param>
  1462. <param>
  1463. <key>samp_rate</key>
  1464. <value>samp_rate</value>
  1465. </param>
  1466. <param>
  1467. <key>baseband_freq</key>
  1468. <value>freq+freq_offset</value>
  1469. </param>
  1470. <param>
  1471. <key>y_per_div</key>
  1472. <value>10</value>
  1473. </param>
  1474. <param>
  1475. <key>y_divs</key>
  1476. <value>10</value>
  1477. </param>
  1478. <param>
  1479. <key>ref_level</key>
  1480. <value>50</value>
  1481. </param>
  1482. <param>
  1483. <key>ref_scale</key>
  1484. <value>2.0</value>
  1485. </param>
  1486. <param>
  1487. <key>fft_size</key>
  1488. <value>512</value>
  1489. </param>
  1490. <param>
  1491. <key>fft_rate</key>
  1492. <value>5</value>
  1493. </param>
  1494. <param>
  1495. <key>peak_hold</key>
  1496. <value>True</value>
  1497. </param>
  1498. <param>
  1499. <key>average</key>
  1500. <value>True</value>
  1501. </param>
  1502. <param>
  1503. <key>avg_alpha</key>
  1504. <value>0</value>
  1505. </param>
  1506. <param>
  1507. <key>win</key>
  1508. <value>None</value>
  1509. </param>
  1510. <param>
  1511. <key>win_size</key>
  1512. <value></value>
  1513. </param>
  1514. <param>
  1515. <key>grid_pos</key>
  1516. <value></value>
  1517. </param>
  1518. <param>
  1519. <key>notebook</key>
  1520. <value></value>
  1521. </param>
  1522. <param>
  1523. <key>_coordinate</key>
  1524. <value>(487, 12)</value>
  1525. </param>
  1526. <param>
  1527. <key>_rotation</key>
  1528. <value>0</value>
  1529. </param>
  1530. </block>
  1531. <block>
  1532. <key>options</key>
  1533. <param>
  1534. <key>id</key>
  1535. <value>RX</value>
  1536. </param>
  1537. <param>
  1538. <key>_enabled</key>
  1539. <value>True</value>
  1540. </param>
  1541. <param>
  1542. <key>title</key>
  1543. <value>RX-2</value>
  1544. </param>
  1545. <param>
  1546. <key>author</key>
  1547. <value></value>
  1548. </param>
  1549. <param>
  1550. <key>description</key>
  1551. <value>Dual Simultaneous Reciever</value>
  1552. </param>
  1553. <param>
  1554. <key>window_size</key>
  1555. <value>2000, 2000</value>
  1556. </param>
  1557. <param>
  1558. <key>generate_options</key>
  1559. <value>wx_gui</value>
  1560. </param>
  1561. <param>
  1562. <key>category</key>
  1563. <value>Custom</value>
  1564. </param>
  1565. <param>
  1566. <key>run_options</key>
  1567. <value>prompt</value>
  1568. </param>
  1569. <param>
  1570. <key>run</key>
  1571. <value>True</value>
  1572. </param>
  1573. <param>
  1574. <key>realtime_scheduling</key>
  1575. <value>1</value>
  1576. </param>
  1577. <param>
  1578. <key>_coordinate</key>
  1579. <value>(8, 10)</value>
  1580. </param>
  1581. <param>
  1582. <key>_rotation</key>
  1583. <value>0</value>
  1584. </param>
  1585. </block>
  1586. <connection>
  1587. <source_block_id>rtl2832_source_0</source_block_id>
  1588. <sink_block_id>gr_freq_xlating_fir_filter_xxx_0</sink_block_id>
  1589. <source_key>0</source_key>
  1590. <sink_key>0</sink_key>
  1591. </connection>
  1592. <connection>
  1593. <source_block_id>rtl2832_source_0</source_block_id>
  1594. <sink_block_id>wxgui_fftsink2_0</sink_block_id>
  1595. <source_key>0</source_key>
  1596. <sink_key>0</sink_key>
  1597. </connection>
  1598. <connection>
  1599. <source_block_id>gr_freq_xlating_fir_filter_xxx_0</source_block_id>
  1600. <sink_block_id>gr_pwr_squelch_xx_0</sink_block_id>
  1601. <source_key>0</source_key>
  1602. <sink_key>0</sink_key>
  1603. </connection>
  1604. <connection>
  1605. <source_block_id>blks2_rational_resampler_xxx_1</source_block_id>
  1606. <sink_block_id>blks2_nbfm_rx_0</sink_block_id>
  1607. <source_key>0</source_key>
  1608. <sink_key>0</sink_key>
  1609. </connection>
  1610. <connection>
  1611. <source_block_id>blks2_nbfm_rx_0</source_block_id>
  1612. <sink_block_id>blks2_rational_resampler_xxx_0</sink_block_id>
  1613. <source_key>0</source_key>
  1614. <sink_key>0</sink_key>
  1615. </connection>
  1616. <connection>
  1617. <source_block_id>blks2_rational_resampler_xxx_0_0</source_block_id>
  1618. <sink_block_id>gr_add_xx_0</sink_block_id>
  1619. <source_key>0</source_key>
  1620. <sink_key>1</sink_key>
  1621. </connection>
  1622. <connection>
  1623. <source_block_id>blks2_rational_resampler_xxx_0</source_block_id>
  1624. <sink_block_id>gr_add_xx_0</sink_block_id>
  1625. <source_key>0</source_key>
  1626. <sink_key>0</sink_key>
  1627. </connection>
  1628. <connection>
  1629. <source_block_id>rtl2832_source_0</source_block_id>
  1630. <sink_block_id>gr_freq_xlating_fir_filter_xxx_0_0</sink_block_id>
  1631. <source_key>0</source_key>
  1632. <sink_key>0</sink_key>
  1633. </connection>
  1634. <connection>
  1635. <source_block_id>blks2_nbfm_rx_0_0</source_block_id>
  1636. <sink_block_id>blks2_rational_resampler_xxx_0_0</sink_block_id>
  1637. <source_key>0</source_key>
  1638. <sink_key>0</sink_key>
  1639. </connection>
  1640. <connection>
  1641. <source_block_id>blks2_rational_resampler_xxx_1_0</source_block_id>
  1642. <sink_block_id>blks2_nbfm_rx_0_0</sink_block_id>
  1643. <source_key>0</source_key>
  1644. <sink_key>0</sink_key>
  1645. </connection>
  1646. <connection>
  1647. <source_block_id>gr_pwr_squelch_xx_0_0</source_block_id>
  1648. <sink_block_id>blks2_rational_resampler_xxx_1_0</sink_block_id>
  1649. <source_key>0</source_key>
  1650. <sink_key>0</sink_key>
  1651. </connection>
  1652. <connection>
  1653. <source_block_id>gr_freq_xlating_fir_filter_xxx_0_0</source_block_id>
  1654. <sink_block_id>gr_pwr_squelch_xx_0_0</sink_block_id>
  1655. <source_key>0</source_key>
  1656. <sink_key>0</sink_key>
  1657. </connection>
  1658. <connection>
  1659. <source_block_id>gr_multiply_const_vxx_0</source_block_id>
  1660. <sink_block_id>audio_sink_0_0</sink_block_id>
  1661. <source_key>0</source_key>
  1662. <sink_key>0</sink_key>
  1663. </connection>
  1664. <connection>
  1665. <source_block_id>gr_pwr_squelch_xx_0</source_block_id>
  1666. <sink_block_id>blks2_rational_resampler_xxx_1</sink_block_id>
  1667. <source_key>0</source_key>
  1668. <sink_key>0</sink_key>
  1669. </connection>
  1670. <connection>
  1671. <source_block_id>gr_add_xx_0</source_block_id>
  1672. <sink_block_id>blks2_fm_deemph_0</sink_block_id>
  1673. <source_key>0</source_key>
  1674. <sink_key>0</sink_key>
  1675. </connection>
  1676. <connection>
  1677. <source_block_id>blks2_fm_deemph_0</source_block_id>
  1678. <sink_block_id>gr_multiply_const_vxx_0</sink_block_id>
  1679. <source_key>0</source_key>
  1680. <sink_key>0</sink_key>
  1681. </connection>
  1682. </flow_graph>
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