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9,921 Commits 6 Branches 107 Tags 217 MiB
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3087 Commits

Author SHA1 Message Date
Steven Franke
2b0aa9325d FT8: disable a7 decoding for Fox/Hound and when Enable AP is not checked. 2022-11-07 08:55:40 -06:00
Steven Franke
a99798fec4 Improve sync for early decodes. 2022-11-01 17:58:36 -05:00
Steven Franke
1bcbca4634 FT8: Avoid a crash when a wav file is processed multiple times. 2022-10-23 16:48:21 -05:00
Steven Franke
1bcad2eda5 Remove some debug statements. 2022-10-21 13:50:01 -05:00
Steven Franke
f4e8ee4f75 Improve ft8 decoding on crowded bands. 2022-10-21 13:47:12 -05:00
Joe Taylor
31f429724d Better zero-subtraction method for the echo spectrum. 2022-09-28 15:08:57 -04:00
Joe Taylor
f9423aa6d4 Trivial updates to testfast9.f90, for distributiion to G4JNT. 2022-09-28 10:18:42 -04:00
Joe Taylor
ca4fac2fd0 Remove display of single-echo SNR, it was a bad idea. 2022-09-26 10:45:33 -04:00
Joe Taylor
3a069e47a3 Work in progress on Echo-mode averaging. 2022-09-26 08:07:11 -04:00
Joe Taylor
3f94b75912 Add single-echo SNR measurement. 2022-09-21 16:03:26 -04:00
Joe Taylor
04cad09683 Work in progress on Total Power plots... 2022-09-09 12:03:59 -04:00
Joe Taylor
64108e85ea Minor cleanup of symspec.f90. 2022-09-08 12:57:37 -04:00
Joe Taylor
6e1529b1cc Use correct UTC-encoded filenames for echosim output. 2022-09-02 13:59:16 -04:00
Joe Taylor
c1b7890f2e Avoid the "blue Decode button" syndrome when using SHIFT+F6 in Echo mode. 2022-09-01 10:06:38 -04:00
Joe Taylor
1e893ecafd Add column headings to echosim screen output. 2022-08-31 13:10:11 -04:00
Joe Taylor
09c3412aca Better format for echosim file-by-file output to screen. 2022-08-30 15:33:34 -04:00
Joe Taylor
c81bcfa3ef Modify echosim to use the same Lorentzian model for fspread as used in q65sim. 2022-08-30 14:57:44 -04:00
Joe Taylor
62e5acd82b Ignore the (rare?) failed attempts to write to decoded.txt because it's open for reading. 2022-08-30 12:58:53 -04:00
Joe Taylor
8cdbea788f Clean up some displayed parameters in Echo mode. 2022-08-29 13:45:29 -04:00
Joe Taylor
5e4bd8ac9f Add initial version of program echosim. 2022-08-29 13:44:46 -04:00
Joe Taylor
eee18ba764 When Echo-mode monitoring, don't set xlevel=0 if audio shift is too big. 2022-08-18 09:53:14 -04:00
Joe Taylor
75516e8ce4 Save fspread in .wav file as float, not double. 2022-08-17 10:50:35 -04:00
Joe Taylor
bfb5665c36 Save and restore total Doppler in Echo-mode .wav files, and display that as Doppler. 2022-08-17 09:42:33 -04:00
k9an
7cdb363c8c Merge branch 'echo-mode' into develop 2022-07-30 09:05:09 -05:00
Joe Taylor
9c67aa8182 Remove a diagnostic print statement. 2022-07-30 09:58:50 -04:00
k9an
00f29458b3 Merge branch 'echo-mode' into develop 2022-07-30 08:46:10 -05:00
Joe Taylor
f46e42e622 Protect against bounds error in avecho when audio up/down shift is too big. 2022-07-29 09:02:06 -04:00
Joe Taylor
8992bbc16f Write to LU 13 ('decoded.txt') only if it was properly opened. 2022-07-28 11:32:57 -04:00
Joe Taylor
d4ed6785fb WIP toward processing Echo-mode data read from disk. 2022-07-28 08:55:19 -04:00
Joe Taylor
3fb362ac28 WIP to enable saving, opening, and processing Echo-mode .wav files. 2022-07-27 14:03:54 -04:00
k9an
6396980de3 Fix scaling of waveform in wspr_wav when SNR > 90dB. 2022-07-25 09:14:53 -05:00
Joe Taylor
992ee5140c Add a Leap Second for January 1, 2017. See https://www.nist.gov/pml/time-and-frequency-division/time-realization/leap-seconds 2022-07-20 09:26:41 -04:00
Joe Taylor
2e4a6c3c32 If DX grid is blank, set DX astro params to zero. Do this in astrosub.f90, not asstro.cpp! 2022-07-17 16:12:59 -04:00
Joe Taylor
8b767b4c75 Satisfy the fussy compiler on macOS. 2022-07-05 14:01:22 -04:00
Joe Taylor
0ef914fb5c Let Echo-mode "Measure" function use the computed fspread for DX grid. 2022-06-22 14:34:50 -04:00
Steven Franke
c073fefa74 Merge branch 'arrl-digi-dx' into develop 2022-04-25 07:24:03 -05:00
Steven Franke
062f3a8037 Merge branch 'feat-a7-UR' into develop 2022-04-25 07:23:06 -05:00
Joe Taylor
7d8d0b8b94 Integrate the new Echo SNR algorithm into WSJT-X. 2022-04-22 15:34:12 -04:00
Joe Taylor
581ef8b6e5 Final (?) version of test_snr, with echo_snr() moved into wsjt Fortran library. 2022-04-22 13:07:23 -04:00
Joe Taylor
87dcde7564 Move calculation of echo snr into a separate subroutine. 2022-04-22 11:43:28 -04:00
Joe Taylor
3b361b6d24 Tweak subroutine averms(). Add test program test_snr to exercise new algorithm for echo snr. 2022-04-22 11:02:47 -04:00
Joe Taylor
d0dd88de40 Add /echocom2/echo_spread to astro0.f90. 2022-04-22 11:00:42 -04:00
Steven Franke
64a124ff20 Make wspr mode work properly with 3 character callsigns like N1D. 2022-04-22 07:56:02 -05:00
Steven Franke
4331594e4a Make wspr mode work properly with 3 character callsigns like N1D. 2022-04-22 07:50:03 -05:00
k9an
6414a8624b Make minimum SNR -24 dB for a7 decodes. 2022-03-26 18:44:59 -05:00
Joe Taylor
bc9e8f89bc Remove the SNR adjustment for Q65 averaged decodes. It does not seem to work as expected. 2022-03-08 11:48:54 -05:00
Steven Franke
283d7d32e4 Fix a bounds error. 2022-03-07 11:46:29 -05:00
Steven Franke
561240763c Fix a bounds error. 2022-03-02 11:15:59 -06:00
Steven Franke
33d3955086 Make SNR calculation for a7 decodes consistent with that of regular decodes. 2022-02-26 11:06:37 -06:00
Joe Taylor
5471cb3534 Don't attempt a7 decodes for messages with /, <, or directed CQ. 2022-02-18 14:57:56 -05:00
Joe Taylor
8e6f027c5e Oops! I committed the wrong version. 2022-02-17 10:22:18 -05:00
Joe Taylor
5e1795ff5c Fix the issue with using 'QQ0XYZ' in ft8_a7.f90. 2022-02-17 10:17:47 -05:00
Joe Taylor
5dc70b18db Reject a7 decodes of the form "CQ <std_call>" with no grid. 2022-02-15 16:28:19 -05:00
Joe Taylor
cab1bb8aed Use BIND(C) for gen65.f90, and pass strings in/out as character*1 arrays. Please test on macOS! 2022-01-31 19:18:46 -05:00
Joe Taylor
c26aa9160b Go back to original settings for sync threshold and decode acceptance criteria. 2022-01-11 11:55:26 -05:00
Joe Taylor
fc40770960 Revert "Improve ft8 decoder sensitivity for Normal and Deep settings" 
This reverts commit 3e49dfacc5.
 2022-01-11 11:54:36 -05:00
Joe Taylor
9d7f323231 Merge branch 'feat-UR' into feat-a7-UR 2022-01-10 11:39:53 -05:00
Uwe Risse
b68e90ae88 Slightly reduce number of false decodes 2022-01-10 11:04:11 +01:00
Uwe Risse
ab89d70b6a Improve ft8 decoder sensitivity 2022-01-10 10:41:23 +01:00
Uwe Risse
3e49dfacc5 Improve ft8 decoder sensitivity for Normal and Deep settings 2022-01-10 10:34:08 +01:00
Joe Taylor
5797e51fe3 Protect against a blank message. 2022-01-09 09:46:33 -05:00
Joe Taylor
500e565d77 For now, at least, revert to NFILT=4000 in subtractft8.f90. 2022-01-08 14:20:55 -05:00
Joe Taylor
6b2df37137 Merge branch 'develop' into feat-ft8-q3 2022-01-07 11:38:10 -05:00
Joe Taylor
98b3cd9a05 W3SZ patch: Initialize AP params and set npasses=2 before first call to q65_dec0(). 2022-01-07 09:59:15 -06:00
Joe Taylor
43c0752140 Add the $DXCALL macro capability. 2021-12-06 11:12:10 -05:00
Joe Taylor
6020552473 Varioous adjustments to a7 decoding for FT8. 2021-11-11 12:28:24 -05:00
Joe Taylor
c13407612e Temporary save of changes related to a7 decodes. 2021-11-10 10:44:56 -05:00
Joe Taylor
21f8303511 W3SZ patch: Initialize AP params and set npasses=2 before first call to q65_dec0(). 2021-11-09 11:00:55 -05:00
Joe Taylor
9aa4786f11 Re-organize some of the FT8 a7 code. 2021-11-05 15:57:24 -04:00
Joe Taylor
4a68d3c4cf Adjustments to FT8 a7 code. Still more to come ... 2021-11-05 09:21:49 -04:00
Joe Taylor
393265a0e0 Working code for FT8 'a7' decodes. Still needs some cleanup. 2021-11-04 11:55:15 -04:00
Joe Taylor
5b406effcf Minor code cleanup. 2021-11-02 16:07:52 -04:00
Joe Taylor
77c532b1a3 Always use Deep for manual Q65 decodes (lagain==true). 2021-11-02 15:28:59 -04:00
Joe Taylor
7e078c805f Fix the issue noted by N9JIM by allowing decodes near frequencies already searched, but not displaying dupes. 2021-11-02 15:17:51 -04:00
Joe Taylor
32a3a75bb5 Revert "Add 'TNX 73 GL' to the list of possible messages for q3 decodes." 
This reverts commit 8f2dc74b52.
 2021-11-02 11:08:44 -04:00
Joe Taylor
4b6ad3857a Always use Deep for manual Q65 decodes (lagain==true). 2021-11-01 14:57:52 -04:00
Joe Taylor
994e00c5d2 Adjust the and-correction numbers for averaged Q65 decodes. 2021-11-01 10:22:41 -04:00
Joe Taylor
93ade73af7 Remove diagnostic writes. Include subtraction of a7 decodes. 2021-10-29 16:22:48 -04:00
Joe Taylor
c30b91cb69 Correct a format. 2021-10-29 15:31:22 -04:00
Joe Taylor
f13e318204 Improvements to a7 decoding for FT8. 2021-10-29 15:28:42 -04:00
Joe Taylor
48b1ad1e46 Send xdt and xsnr from ft8_dec7 to ft8_decode. 2021-10-28 15:19:40 -04:00
Joe Taylor
2b25c51169 First fully working version of 'a7' (q3-style) decoding for FT8. 2021-10-28 15:01:00 -04:00
Joe Taylor
5a0cb0f0a0 Fix a bug in gen_ft8wave.f90 that failed to update pulse and ctab when sample rate changes. 2021-10-28 11:47:00 -04:00
Joe Taylor
f51a7d4f7d Correct a longstanding error in values of "nw()" returned by subroutine split77(). 2021-10-27 12:09:23 -04:00
Joe Taylor
901e9dbc38 Working program test_ft8q3 and subroutine ft8q3(). 2021-10-26 16:40:14 -04:00
Joe Taylor
384899754f Add initial version of test_ft8q3.f90. 2021-10-26 12:31:24 -04:00
Joe Taylor
0ed62e4f80 Save test routine ft8q3.f90 -- first, as a main program. 2021-10-26 12:14:32 -04:00
Joe Taylor
a5be2fb4ef TEMPORARY: save downsampled data at f0=1500 Hz, for testing ft8q3. 2021-10-26 08:58:06 -04:00
Joe Taylor
8f2dc74b52 Add 'TNX 73 GL' to the list of possible messages for q3 decodes. 2021-10-25 11:51:11 -04:00
Joe Taylor
c56926595a Fix a problm with q3 decodes of "<call1> call2" messages, e.g., <KA1GT> DL/G3WDG. 2021-10-25 11:14:54 -04:00
Bill Somerville
175092f536
Environment variable to add extra data to azel.dat 
The  new  environment  variable   WSJT_AZEL_EXTRA_LINES  when  set  to
positive integer value  adds up to that number of  extra data lines to
the azel.dat  file. Currently only  one extra line is  supported which
contains the following data: Dpol, MNR, Dgrd. Where the values are the
same as  displayed in the  astronomical data window. I.e.  EME spatial
polarization offset in degrees, maximum non-reciprocity of the PATH in
dB, and the estimated signal  degradation relative to best possible in
dB.
 2021-10-23 12:03:33 +01:00
Joe Taylor
385f0e7b62 Activate the W3SZ code for 'q5' decodes only when max_drift = 50. 2021-10-22 10:22:23 -04:00
Bill Somerville
f7996de670
Merge branch 'release-2.5.1' into feat-Q65-aircraft-scatter-AFC 2021-10-21 02:44:15 +01:00
Bill Somerville
30e11106c8
Further refinements to complex to real FFT initialization 2021-10-20 19:28:58 +01:00
Bill Somerville
7695b7d331
Merge branch 'release-2.5.1' of bitbucket.org:k1jt/wsjtx into release-2.5.1 2021-10-20 18:02:53 +01:00
Bill Somerville
595ef8e9db
Repair a long-standing defect that could cause access violations 
This was revealed when building with gcc-fortran v11 and using
reference spectrum correction.
 2021-10-20 18:00:32 +01:00
Joe Taylor
83c1a85226 In Q65 mode, allow q2 decodes when MyCall is compound or nonstandard. 2021-10-20 12:51:18 -04:00
Joe Taylor
2fb5d22e6f Fix the logic for setting ibwa, ibwb, and maxiters in Q65 "Deep" decoding attempts. 2021-10-20 11:18:31 -04:00
Joe Taylor
12efb098bb Fix the problem with q3 decodes when DxCall is compount and DxGrid is present. 2021-10-19 14:43:17 -04:00
Joe Taylor
ef438919e4 Enable q3 decoding for Q65 messages containing a nonstandard callsign. 2021-10-19 11:44:20 -04:00