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6,650 Commits 5 Branches 98 Tags 208 MiB
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2408 Commits

Author SHA1 Message Date
Steven Franke
98596a4be7 Choose nfft1 and ndown so that both nfft1 and nfft2 have small prime factors. 2020-07-18 09:02:11 -05:00
Bill Somerville
8b35e744d0
Increase Tx waveform storage & update wide graph nsps for FST240 2020-07-18 10:35:26 +01:00
Bill Somerville
4e0f1103b6
15 and 30 minute T/R periods for FST240 & FST240W 2020-07-17 23:44:14 +01:00
Bill Somerville
cccb38dbef
Pass hints to fst240sim, genfst240, and packjt77::pack77 on WSPR msgs 
Due to  an ambiguity with  message encodings between 77-bit  QSO modes
and 50-bit  beacon modes with message  types 13.n3 4.0 and  0.6 a hint
needs to be  passed to ensure the right encoding  is emitted. The hint
only  effects  ambiguous messages,  others  will  be encoded  strictly
according to the message content.
 2020-07-17 19:09:21 +01:00
Bill Somerville
c21a60144a
Larger 12kHz sample buffer 2020-07-17 19:08:21 +01:00
Steven Franke
322fd14a6a Use Joe's values for NSPS. 2020-07-17 11:29:21 -05:00
Steven Franke
02b66241d2 Add 15 minute and 30 minute TRperiod option for FST240. 2020-07-17 10:52:27 -05:00
Joe Taylor
7bd797c0e9 Improved estimates of Doppler spread. Comment the code in write_ref(). 2020-07-16 11:47:07 -04:00
Joe Taylor
f61cb1dcbd Better display format for w50 with plotspec. 2020-07-15 16:03:36 -04:00
Joe Taylor
b3882a93c0 Extend write_ref() to compute freq offset and Doppler spread. Also some minor code cleanup. 2020-07-15 15:50:17 -04:00
Joe Taylor
ff0d31986f File 'plotspec' in execution directory ==> save channel-gain spectrum to fort.52. 2020-07-15 13:15:38 -04:00
Bill Somerville
c5ab12d1f4
Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-07-15 01:48:01 +01:00
Bill Somerville
99f419f63c
Initialize prefix store for type 2 50-bit messages 2020-07-15 01:46:52 +01:00
Joe Taylor
ab3630b2e7 Compute spectrum for measuring fspread of a decoded FST240/FST240W signal. 2020-07-14 16:46:28 -04:00
Joe Taylor
c925f6d1cc Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-07-14 11:43:40 -04:00
Joe Taylor
cbeb81b499 Add LF/MF noise blanker capability for FST240 and FST240W. 2020-07-14 11:27:41 -04:00
Steven Franke
c5f0187036 Eliminate an unnecessary variable (NN2) in fst240sim.f90. 2020-07-13 19:59:14 -05:00
Steven Franke
a19d5d1556 Fix end subroutine line for new write_ref subroutine. 2020-07-13 15:10:01 -05:00
Steven Franke
db3e0d8022 Add a disabled option to print the reference waveform to fort.51. 2020-07-13 14:58:50 -05:00
Steven Franke
bac3cc7471 Remove spurious invocation of thresh variable. 2020-07-13 08:53:11 -05:00
Steven Franke
4cb902a4cc Try to get c_bigfft sorted out. 2020-07-11 16:39:31 -05:00
Joe Taylor
5b804d90a3 Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-07-11 15:25:37 -04:00
Joe Taylor
3e61688229 Fix the nagging 'KA1R' problem with decoding after change in TRperiod. 2020-07-11 15:24:21 -04:00
Steven Franke
8998537622 Clean up a couple of loose ends. 2020-07-09 15:30:46 -05:00
Steven Franke
a47f34db92 Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-07-09 14:13:31 -05:00
Steven Franke
8941b70a2a Changes to improve sensitivity on overspread channels. 2020-07-09 14:13:23 -05:00
Joe Taylor
114cd83376 Signal report range has been [-30,+99]. Not it is [-50,+50], in a backward-compatible way. 2020-07-08 11:25:07 -04:00
Bill Somerville
aa557820d4
Work around gfortran v10 error message 2020-07-08 02:25:25 +01:00
Bill Somerville
61a72e9d91
Merge branch 'develop' into feat-fst280 2020-07-06 23:44:00 +01:00
K9AN
d17bc2f97f Comment out debug prints. 2020-07-04 13:06:50 -05:00
Steven Franke
3fe6fa3d72 Rough first attempt at setting minsync according to setup. 2020-07-04 12:57:51 -05:00
Steven Franke
0357af2eb5 Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-07-04 09:16:01 -05:00
Steven Franke
c176572ec0 Add options for sub-symbol integration for sync and symbol estimation. 2020-07-04 09:15:57 -05:00
Joe Taylor
4a0b7b3a1d Fix the "FST240W Type 2" and "FST240W Type 3" messages. 2020-07-03 12:01:26 -04:00
Steven Franke
7fb7e51283 Use N=1,2,3,4 for now. 2020-07-02 14:48:11 -05:00
Joe Taylor
352b497399 Remove a diagnostic print. 2020-07-02 13:43:50 -04:00
Joe Taylor
185cf3eb48 "Also FST240W" should set iwspr=2, not 1. Change ndeep to ndepth, for consistency. 2020-07-02 13:30:18 -04:00
Steven Franke
3f1fd6e2c1 Tweaks to decrease the number of garbage candidates slightly. 2020-07-02 11:54:10 -05:00
Steven Franke
6d0d21670e Change noise_bw to xnoise_bw so that it is real. 2020-07-02 08:45:37 -05:00
Steven Franke
e74595fdd5 Discard the all-zero codeword. 2020-07-01 16:42:22 -05:00
Steven Franke
6ebb487cd5 Remove residual WSPR_LF that was causing build errors. Build ldpcsim240_74. 2020-07-01 14:40:37 -05:00
Joe Taylor
94f5e2925c Correct the length of id2 sent to decoder for FST240W mode. 2020-07-01 15:04:15 -04:00
Joe Taylor
f2c3cbf9ac Implement basic functiionality of FST240W in the GUI. 2020-07-01 12:01:47 -04:00
Steven Franke
0f04f3285a Prevent decodes that fail to unpack from being printed. 2020-07-01 08:20:38 -05:00
Joe Taylor
22b782a4ae Can now decode FST240W signals from WSJT-X, using FST240 and the option "Decode -> Also FST240W". 2020-06-30 20:04:44 -04:00
Steven Franke
f6a8a179dc Hardwire for 50-bit messages. 2020-06-30 18:15:35 -05:00
Joe Taylor
361c1a96c1 Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-06-30 17:23:58 -04:00
Joe Taylor
ae54c80a54 Here's a start on GUI changes to support FST240W as well as FST240. 2020-06-30 17:14:58 -04:00
Steven Franke
5336d959c7 Remove temporary stuff. 2020-06-30 16:06:53 -05:00
Steven Franke
a8b87f1f3a Fix wspr-mode SNR. 2020-06-30 16:05:52 -05:00
Steven Franke
7345e13661 Fix a bug 2020-06-30 15:50:50 -05:00
Bill Somerville
f6a7d8c4bd
Fix an off by one error in 10 and 12 bit hash code handling 
Revealed by trying to hash M0RNR which has zero as a 10 and 12 bit
hash code.
 2020-06-30 21:50:17 +01:00
Steven Franke
630ef640ac First cut at joint QSO/WSPR type decoding for FST240. 2020-06-30 15:06:18 -05:00
Joe Taylor
0472a816fb Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-06-30 15:12:22 -04:00
Joe Taylor
d7448347e5 Install a basic framework for handling FST240W decodes. 2020-06-30 15:11:36 -04:00
Steven Franke
e8bb7e74bc Add routines for a (240,74) code. Hardwire decoder for wspr messages, for the time being. 2020-06-30 13:29:32 -05:00
Steven Franke
d916f315d3 Make AP decoding baseline llrs depend on hmod. Center the DT search window on emedelay. 2020-06-30 11:39:51 -05:00
Joe Taylor
53e7941c7c Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-06-30 10:36:16 -04:00
Joe Taylor
2a74e5a5de Allow command-line argument for "nQSOProgress" in jt9. 2020-06-30 10:35:13 -04:00
Steven Franke
f0efd881ca Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-06-30 08:42:59 -05:00
Steven Franke
d34f05f985 Implement basic AP decoding for FST240. No contests. 2020-06-30 08:42:54 -05:00
Joe Taylor
023e09bc4d Correct the help message's option label for setting FST240 mode. 2020-06-30 08:58:40 -04:00
Steven Franke
d462277a3e Make ldpcsim program work again. 2020-06-29 16:09:12 -05:00
Steven Franke
355b060454 1. Fix broken sync. 
2. Change FST240-15 to use nsps=720
 2020-06-29 15:06:11 -05:00
Steven Franke
42a0e9df32 Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-06-29 12:31:21 -05:00
Steven Franke
a5cb88deed Use two alternating sync words. Change DT=0 to t=0.5 s for ntrperiod=15 s only. 2020-06-29 12:31:16 -05:00
Joe Taylor
bb5041da98 Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-06-29 13:28:34 -04:00
Joe Taylor
67422f2ede Remove a diagnostic write statement. 2020-06-29 13:28:06 -04:00
Steven Franke
06b8e0eec6 Try to ensure that nfft1 and nfft2 are nice values. Add a brickwall filter in the downsampler. 2020-06-29 12:15:28 -05:00
Joe Taylor
83fddb1f57 Pass more parameters to fst240_decode(). 2020-06-29 12:21:34 -04:00
Joe Taylor
133c32cb41 Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-06-29 09:38:24 -04:00
Joe Taylor
4fbed923ab Add detailed comments to get_candidates_fst240.f90. 2020-06-29 09:37:29 -04:00
Steven Franke
5480beba3a Change DT search range back to -1s -> 2s. NB - FST240-15 is subject to false sync at DT=+2.5s - bad for EME? 2020-06-29 07:42:00 -05:00
Steven Franke
f774cecd00 Experimental change to candidate detection. 2020-06-28 15:22:35 -05:00
Bill Somerville
d5c5a58c7f
Merge branch 'develop' into feat-fst280 2020-06-27 22:14:09 +01:00
Steven Franke
04d6fe4617 Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-06-27 15:43:21 -05:00
Steven Franke
89c81cb5f1 XOR the message with rvec before calculating CRC 2020-06-27 15:43:14 -05:00
Joe Taylor
51447ef1d3 Remove the 1 s offset in wave() array. Fix NSPS for 300 s periods. 2020-06-27 16:24:11 -04:00
Joe Taylor
bf51dfd61d Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-06-27 16:23:20 -04:00
Steven Franke
1f16beeafe Make T/R=300s work from the command line. 2020-06-27 14:11:37 -05:00
Joe Taylor
eb167b11d3 Fix several more GUI parameters for FST240. 2020-06-27 14:13:59 -04:00
Steven Franke
3cb1980ef1 Remove un-needed files. 2020-06-27 09:21:43 -05:00
Steven Franke
390884268c Wholesale change from FST280 to FST240 2020-06-27 08:53:11 -05:00
Steven Franke
2cfe0513bb Adjust analysis window when single-decode is checked. 2020-06-26 08:40:01 -05:00
Steven Franke
37d5af9311 Fix an out-of-bounds error. 2020-06-26 07:24:11 -05:00
Steven Franke
76e84ec8fa Add debug print statement, lower sync threshold. 2020-06-25 08:54:16 -05:00
Steven Franke
f06f5d77a5 New frame format, new symbol lengths and ndown values, gen_fst280wave now returns a waveform aligned so that first message symbol starts at t=1s. 2020-06-24 15:15:20 -05:00
Steven Franke
31f98b94b9 Make DT search range -1s to +2s. 2020-06-24 12:22:22 -05:00
Joe Taylor
344b9c11f3 Speed up gen_fst280wave() by nearly x10 for longest FST280 transmissions. 2020-06-23 15:08:56 -04:00
K9AN
1b2d690bf0 Avoid edge effects when finding noise baseline. 2020-06-23 09:45:44 -05:00
Steven Franke
67f2450cc5 Make noise analysis bandwidth at least 10 times the signal bandwidth, when possible. 2020-06-22 15:21:55 -05:00
Steven Franke
37eff41549 Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-06-22 14:51:08 -05:00
Steven Franke
9741e08af2 Improve sync search range to account for hmod>1. 2020-06-22 14:51:01 -05:00
Joe Taylor
65996b015c Exten the DT search range, Steve's suggestion. 2020-06-22 15:20:02 -04:00
Joe Taylor
fcb237807c Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-06-22 12:10:52 -04:00
Steven Franke
963bd78f63 Tweak for better sensitivity. 2020-06-22 09:46:48 -05:00
Steven Franke
f111230687 Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-06-22 08:16:37 -05:00
Steven Franke
7d5fb03dea First cut at SNR estimate. Needs testing. 2020-06-22 08:11:45 -05:00
Joe Taylor
8a21533c21 UPdate some estimates in fst280.txt. 2020-06-21 18:46:21 -04:00
Bill Somerville
c2de0fe7ca
Merge branch 'hotfix-2.2.2' into develop 2020-06-21 21:44:59 +01:00