Steve Franke
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c39dd63f79
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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.
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2018-07-03 09:28:16 -05:00 |
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Joe Taylor
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d6c0d1d878
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Add a To Do list -- always subject to revision!
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2018-07-03 08:26:16 -04:00 |
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Steve Franke
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5fc4fe6eda
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Fix an off-by-one error. Remove attempt to refine DT estimate using polynomial interpolation.
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2018-07-02 16:13:27 -05:00 |
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Steve Franke
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acb25dd13c
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Merge in K1JT's 77bit message code.
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2018-06-30 15:47:33 -05:00 |
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Steve Franke
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26de3219d3
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Fix an off-by-one problem.
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2018-06-30 14:56:19 -05:00 |
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Joe Taylor
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251b2c6ce9
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Fix bugs for several more edge cases.
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2018-06-29 20:11:24 -04:00 |
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Joe Taylor
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023b76400b
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Add a few more test messages.
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2018-06-29 13:36:05 -04:00 |
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Joe Taylor
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2da8f51fc2
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Fix bugs for a few edge-case messages. Add some test files.
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2018-06-29 12:02:29 -04:00 |
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Joe Taylor
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18a839963f
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Change to 12-bit hash in msg type 4, to accommodate CQ calls.
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2018-06-28 15:26:54 -04:00 |
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Joe Taylor
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190aef8a36
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Add column headings for encode77.
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2018-06-28 14:12:05 -04:00 |
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Joe Taylor
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5465abaa72
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Make encode77 default to reading from "messages.txt".
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2018-06-28 13:17:32 -04:00 |
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Joe Taylor
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4946d01edb
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Put <...> around callsign recovered from hash table.
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2018-06-28 13:07:01 -04:00 |
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Joe Taylor
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1d0ffcfdca
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Change 24-bit hash to 22-bit hash.
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2018-06-28 11:48:42 -04:00 |
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Joe Taylor
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0b8d2b620f
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Rename a data file.
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2018-06-27 20:33:17 -04:00 |
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Joe Taylor
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7a855f1fd5
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Correct several minor bugs.
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2018-06-27 20:19:48 -04:00 |
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Joe Taylor
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617b0bffc8
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Nearly finished with pack77/unpack77.
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2018-06-27 16:41:58 -04:00 |
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Steve Franke
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83d81bdcd2
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Streamline the sequence detector code.
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2018-06-27 15:11:39 -05:00 |
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Joe Taylor
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983cd3f31c
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More additions to pack77/unpack77 routines.
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2018-06-27 15:07:04 -04:00 |
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Joe Taylor
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c007b0f4cd
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Add a file with wide variety of test cases for pack28/unpack28.
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2018-06-27 11:23:27 -04:00 |
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Joe Taylor
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d4784ef7dc
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More work on pack28/unpack28, and a test28 program.
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2018-06-27 11:08:39 -04:00 |
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Steve Franke
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229ee09b99
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Minor code cleanup.
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2018-06-27 09:55:34 -05:00 |
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Joe Taylor
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12e0def237
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Implement special tokens CQ, DE, QRZ, ... in pack28/unpack28.
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2018-06-27 08:57:13 -04:00 |
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Joe Taylor
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acd6d5cab9
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Fix some bugs for more varied example messages.
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2018-06-26 21:00:53 -04:00 |
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Joe Taylor
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c75a270872
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Finish decoding of Types 1 and 3 (except for rpt/RRR/RR73/73).
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2018-06-26 16:47:16 -04:00 |
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Joe Taylor
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b0636b561b
|
Basic function for message Types 0.0-0.5 and Type 1.
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2018-06-26 16:34:38 -04:00 |
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Joe Taylor
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9d5a2e6f5a
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Through type 0.3.
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2018-06-26 15:20:39 -04:00 |
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Joe Taylor
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9ccb96397d
|
source-encode/decode of 77-bit messages OK through type 0.3.
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2018-06-26 15:13:15 -04:00 |
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Joe Taylor
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2006fde28c
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Completed pack77/unpack77 through message Type 0.2. Still more to do!
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2018-06-26 13:55:12 -04:00 |
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Steve Franke
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03abada09b
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More progress on sequence demodulator. Can now do nsymb=1,2, and/or 3.
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2018-06-26 11:11:58 -05:00 |
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Joe Taylor
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0adcfc667f
|
Add files for source encoding and decoding of 77-bit messages.
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2018-06-26 08:33:13 -04:00 |
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Steve Franke
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7684bd0e78
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Work toward a generalized sequence detector for nsymbols=1, 2, or 3. Works for nsymbol=3, but not yet for nsymbol=1, or 2.
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2018-06-25 17:01:34 -05:00 |
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Joe Taylor
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bd5aec3f31
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More tweaks to description of 77-bit message types.
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2018-06-23 15:15:10 -04:00 |
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Joe Taylor
|
539ec3d465
|
test
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2018-06-23 12:15:47 -04:00 |
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Joe Taylor
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35b53766cb
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Add info on 28-bit integers used for standard callsigns.
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2018-06-23 11:54:40 -04:00 |
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Joe Taylor
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7266d407ff
|
Amended rules for 77-bit message types.
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2018-06-22 16:36:14 -04:00 |
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Steve Franke
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0f5759270e
|
Added 2-symbol sequence detection for proof-of-concept tests.
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2018-06-22 11:20:28 -05:00 |
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Joe Taylor
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2edcebef40
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Further progress toward defining the 77-bit message types.
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2018-06-21 15:38:08 -04:00 |
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Joe Taylor
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96f3fa5810
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Add directory 77bit and its contents.
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2018-06-21 10:51:19 -04:00 |
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Joe Taylor
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f8bb7f4477
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Implement a valid scheme for computing S/N in JT4 mode.
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2018-06-18 13:41:26 -04:00 |
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Steve Franke
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3f8c218ebe
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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.
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2018-06-17 12:11:32 -05:00 |
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Steve Franke
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1a31e5b2d6
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For (174,91) code, move CRC generation and testing into encode and decode routines. Make ldpcsim174_91.f90 work with the new encode/decode routines.
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2018-06-17 08:44:10 -05:00 |
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Steve Franke
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2cdb164446
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Move CRC13 creation into encode128_90.f90 and CRC checking into bpdecode128_90.f90.
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2018-06-16 16:42:02 -05:00 |
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Steve Franke
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e16e78790a
|
Create chkcrc13a.f90. Should chkcrc12a, chkcrc13a, and chkcrc14a be combined into one routine?
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2018-06-16 09:04:51 -05:00 |
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Steve Franke
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c18338b83b
|
Fix the calculation of symbol error probability.
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2018-06-16 09:03:32 -05:00 |
|
Steve Franke
|
6846964170
|
Add 'code b' - a better (128,90) code. Code b has irregular column weights - 80% weight 3 and 20% weight 4.
|
2018-06-14 15:38:58 -05:00 |
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Joe Taylor
|
67b5c80e1a
|
Update the contest ideas.
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2018-06-14 11:31:16 -04:00 |
|
Steve Franke
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1aeaa1715b
|
Fix up ldpcsim144 for comparisons with ldpcsim128_90.
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2018-06-14 09:59:49 -05:00 |
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Steve Franke
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5da3986f0a
|
More work on (128,90) code. ldpcsim128_90 works now.
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2018-06-14 09:30:41 -05:00 |
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Joe Taylor
|
0344c14f99
|
Add the white paper digi-contest.txt.
|
2018-06-14 10:14:30 -04:00 |
|
Steve Franke
|
3ac119fb99
|
Progress toward a working ldpc128_90 simulator. Compiles, but does not yet work.
|
2018-06-13 11:34:00 -05:00 |
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