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------------------------------------------------------------------------ r8016 | k9an | 2017-08-09 16:22:54 +0100 (Wed, 09 Aug 2017) | 1 line Remove call to jtmsg. ------------------------------------------------------------------------ r8017 | k9an | 2017-08-09 16:52:52 +0100 (Wed, 09 Aug 2017) | 1 line Bring a simulation tool up to date. ------------------------------------------------------------------------ r8022 | k9an | 2017-08-13 02:35:13 +0100 (Sun, 13 Aug 2017) | 1 line Improve efficiency of OSD by a factor of 5 to 10 for norder=2 and 3. Use norder=2 for wideband multi-decoding, norder=3 near nfqso and nftx. ------------------------------------------------------------------------ r8026 | k9an | 2017-08-14 16:00:48 +0100 (Mon, 14 Aug 2017) | 1 line Make default MSK144 amplitude polynomial flat. ------------------------------------------------------------------------ r8029 | k1jt | 2017-08-19 14:07:27 +0100 (Sat, 19 Aug 2017) | 1 line Edit the advice displayed by F5. ------------------------------------------------------------------------ r8030 | k1jt | 2017-08-19 23:34:26 +0100 (Sat, 19 Aug 2017) | 1 line Fix a typo. ------------------------------------------------------------------------ r8031 | k9an | 2017-08-22 01:14:51 +0100 (Tue, 22 Aug 2017) | 1 line 1. Improvements to the OSD to allow deeper wideband decoding. 2. Add a third decoding pass. 3. Change symbol metric from max-log to max-amplitude. ------------------------------------------------------------------------ r8032 | k9an | 2017-08-22 01:17:23 +0100 (Tue, 22 Aug 2017) | 1 line Delete unused array. ------------------------------------------------------------------------ r8033 | k9an | 2017-08-22 01:21:59 +0100 (Tue, 22 Aug 2017) | 1 line More cleanup. ------------------------------------------------------------------------ r8034 | k1jt | 2017-08-24 14:38:47 +0100 (Thu, 24 Aug 2017) | 1 line Possible pseudo-code for DXpedition auto-sequencing. ------------------------------------------------------------------------ r8035 | k1jt | 2017-08-25 17:59:58 +0100 (Fri, 25 Aug 2017) | 4 lines Use the most recently edited "CQ xx: message in Tx6 as a template for subsequent regenerations. This means that "CQ DX", "CQ VT", etc., will be presistent until changed back. ------------------------------------------------------------------------ r8036 | k1jt | 2017-08-26 17:30:47 +0100 (Sat, 26 Aug 2017) | 1 line Use a baseline-fitting procedure to improve S/N estimates for FT8. ------------------------------------------------------------------------ r8037 | k1jt | 2017-08-27 13:26:37 +0100 (Sun, 27 Aug 2017) | 1 line Fix the 'Start=0 ==> S/N = -24 dB' problem. ------------------------------------------------------------------------ r8038 | k1jt | 2017-08-27 14:11:56 +0100 (Sun, 27 Aug 2017) | 1 line Change magic 36 back to 37; does this break something else? ------------------------------------------------------------------------ r8039 | k1jt | 2017-08-28 15:32:14 +0100 (Mon, 28 Aug 2017) | 2 lines Correct the behavior of FT8 in "NA VHF Contest mode". ------------------------------------------------------------------------ r8040 | k9an | 2017-08-28 22:09:44 +0100 (Mon, 28 Aug 2017) | 1 line Fix a potential array bounds issue in osd174.f90. ------------------------------------------------------------------------ r8043 | bsomervi | 2017-08-29 04:20:37 +0100 (Tue, 29 Aug 2017) | 1 line Update AD1C cty.dat database to 14th Aug 2017 big CTY.DAT ------------------------------------------------------------------------ r8044 | bsomervi | 2017-08-29 04:20:51 +0100 (Tue, 29 Aug 2017) | 1 line Basic fix of auto sequencing with free text 73 messages, more to come ------------------------------------------------------------------------ r8045 | bsomervi | 2017-08-29 04:46:32 +0100 (Tue, 29 Aug 2017) | 1 line Ensure that auto Tx is disabled when stop Tx on 73 isn't enabled and DX call is cleared ------------------------------------------------------------------------ r8046 | k1jt | 2017-08-29 15:01:55 +0100 (Tue, 29 Aug 2017) | 2 lines Update text in User Guide related to *NA VHF Contest Mode*. ------------------------------------------------------------------------ r8047 | bsomervi | 2017-08-30 03:27:57 +0100 (Wed, 30 Aug 2017) | 7 lines Fix some signoff issues with auto-sequencing 73 messages from other QSOs on frequency should now be ignored rather than being processed. Also some long overdue refactoring and tidying of non-idiomatic C++ code in the logbook directory. ------------------------------------------------------------------------ r8048 | bsomervi | 2017-08-30 14:20:39 +0100 (Wed, 30 Aug 2017) | 1 line Make 73 and RR73 matching of incoming messages for exact while words ------------------------------------------------------------------------ r8049 | k1jt | 2017-08-30 18:06:49 +0100 (Wed, 30 Aug 2017) | 1 line Updates to User Guide. ------------------------------------------------------------------------ git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx-1.8@8050 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
43 lines
1.7 KiB
Plaintext
43 lines
1.7 KiB
Plaintext
image::settings-advanced.png[align="center",alt="Settings Advanced"]
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_JT65 decoding parameters_
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- *Random erasure patterns* logarithmically scales the number of
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pseudo-random trials used by the Franke-Taylor JT65 decoder. Larger
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numbers give slightly better sensitivity but take longer. For most
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purposes a good setting is 6 or 7.
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- *Aggressive decoding level* sets the threshold for acceptable
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decodes using Deep Search. Higher numbers will display results
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with lower confidence levels.
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- Check *Two-pass decoding* to enable a second decoding pass after
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signals producing first-pass decodes have been subtracted from the
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received data stream.
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_Miscellaneous_
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- Set a positive number in *Degrade S/N of .wav file* to add known
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amounts of pseudo-random noise to data read from a .wav file. To
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ensure that the resulting S/N degradation is close to the requested
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number of dB, set *Receiver bandwidth* to your best estimate of the
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receiver's effective noise bandwidth.
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- Set *Tx delay* to a number larger than the default 0.2 s to create
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a larger delay between execution of a command to enable PTT and onset
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of Tx audio.
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IMPORTANT: For the health of your T/R relays and external
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preamplifier, we strongly recommend using a hardware sequencer and
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testing to make sure that sequencing is correct.
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- Check *FT8 and MSK144: NA VHF Contest Mode* to enable generation and
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auto-sequencing of messages using four-character grid locators in
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place of signal reports, as required for most North American VHF
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contests.
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- Check *x 2 Tone spacing* to generate Tx audio with twice the normal
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tone spacing. This feature is intended for use with specialized LF/MF
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transmitters that divide the audio waveform by 2 before further
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processing.
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