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WSJT-X
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4,549 Commits 5 Branches 98 Tags 208 MiB
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33 Commits

Author SHA1 Message Date
Steve Franke 332a3f1561 Calibrate noise-baseline-fit based SNR estimate for FT8 v2 and print those estimates with decodes. 2018-09-23 13:03:20 -05:00
Steve Franke 642540ff8f unpack77 now returns logical variable unpk77_success, which will be .false. if there is something obviously wrong with the message. Still to do: set the flag if the unpacked message contains CQ in an implausible place. 2018-09-12 15:06:26 -05:00
Joe Taylor 201b29993c More fixes related to nonstandard calls. 2018-08-29 14:18:56 -04:00
Steve Franke f7d423296f Minor code cleanup. 2018-07-29 17:15:02 -05:00
Steve Franke b67589d29f Bring isync=1 message simulator, ft8sim, up to date. Fix ap decoding for isync=1 messages. 2018-07-29 16:29:11 -05:00
Steve Franke df0b5e2622 Progress on AP decoding for 77bit messages. AP is basically working for regular i3=1 messages. 2018-07-28 17:32:45 -05:00
Steve Franke bee1ecd109 Detect and reject messages with invalid i3 and or n3. 2018-07-28 08:50:50 -05:00
Joe Taylor 017629ac36 Suppress any "QU1RK" decodes, they are necessarily bad. 2018-07-27 10:43:58 -04:00
Steve Franke 59f713ba76 The change committed to decodedtext.cpp fixes a crash that occurred when processing certain isync=2 decodes. Is this the right fix? Other changes are minor code cleanups. 2018-07-17 17:48:23 -05:00
Joe Taylor 2c5dd053f3 Don't send "mygrid" where it's no longer needed. 2018-07-11 16:32:08 -04:00
Joe Taylor c1e71a46ef Remove more "bcontest" stuff from Fortrn code. 2018-07-10 15:32:59 -04:00
Steven Franke e7b19b29b0 Screen out FT8 decodes with excessively large number of hard errors. These are almost certainly undetected errors. 2018-07-08 13:29:12 +00:00
Steve Franke 42f75bf404 Fix graymap. 2018-07-07 08:18:31 -05:00
Joe Taylor e5e81e01fb Make packjt77 into a module; move all its routines into file packjt77.f90. 2018-07-05 14:07:17 -04:00
Steve Franke ed92d5a86c SNR estimator is broken for isync=2 messages, due to different signal normalization. For now, go back to SJF's old signal/(noise+interference) estimator. 2018-07-04 16:58:24 -05:00
Steve Franke a448dc5640 Use 37 character message for de-duping. Comment out some code that needs to be updated to work with new message type. 2018-07-04 16:20:12 -05:00
Steve Franke df652e383b More progress on making ft8sim2 and ft8b_2 encode and decode all message types. For now, decoder.f90 is hardwired to always print 37 characters. 2018-07-04 10:15:01 -05:00
Steve Franke 24f4792b23 Fix incorrect reference to extract77 - should have been unpack77 2018-07-03 15:59:24 -05:00
Steve Franke 57ebc30369 Call the new extract77 in ft8b_2. Define msg37 and msgsent37 to replace their 22-bit predecessors. 2018-07-03 15:34:39 -05:00
Steve Franke c39dd63f79 Send (i3,n3) from mainwindow to genft8. First steps at interpreting (i3,n3) to send itype=1 for classic messages and itype=2 otherwise. Very buggy at this stage. 2018-07-03 09:28:16 -05:00
Steve Franke 5fc4fe6eda Fix an off-by-one error. Remove attempt to refine DT estimate using polynomial interpolation. 2018-07-02 16:13:27 -05:00
Steve Franke 26de3219d3 Fix an off-by-one problem. 2018-06-30 14:56:19 -05:00
Steve Franke 83d81bdcd2 Streamline the sequence detector code. 2018-06-27 15:11:39 -05:00
Steve Franke 229ee09b99 Minor code cleanup. 2018-06-27 09:55:34 -05:00
Steve Franke 03abada09b More progress on sequence demodulator. Can now do nsymb=1,2, and/or 3. 2018-06-26 11:11:58 -05:00
Steve Franke 7684bd0e78 Work toward a generalized sequence detector for nsymbols=1, 2, or 3. Works for nsymbol=3, but not yet for nsymbol=1, or 2. 2018-06-25 17:01:34 -05:00
Steve Franke 0f5759270e Added 2-symbol sequence detection for proof-of-concept tests. 2018-06-22 11:20:28 -05:00
Steve Franke 3f8c218ebe Make changes to ft8b_2.f90 to accommodate the new 77-bit in/out encoding/decoding routines. With these changes, WSJT-X decodes (174,91) frames. 2018-06-17 12:11:32 -05:00
Steve Franke a5837bd5c7 AP decoding now works for type 2 frames. Also cleaned up and simplified AP implementation in ft8b_2. 2018-06-11 15:10:44 -05:00
Steve Franke 68beed88a7 Change to Gray bit to symbol mapping for (174,91) messages. 2018-06-08 16:21:21 -05:00
Steve Franke a0db6a8a08 Disable AP passes for type 2 frames, for now. Write some diagnostics to lun 81. 2018-06-07 11:40:25 -05:00
Steve Franke a23e2b6f8b Fix a bug that caused some second-decoding-attempt log-likelihoods to become NaN. 2018-06-06 11:21:00 -05:00
Steve Franke 48b60eab71 Make two sync passes, one for each sync array. Label candidates with their type and decode accordingly. 2018-06-05 16:44:52 -05:00