Steve Franke a0d471cb0b Improve FT8 SNR estimates in two ways: ...

(i) SNR no longer saturates at +20 dB
(ii) a large signal in the passband no longer causes the
SNR of weaker signals to be biased low.

2019-11-27 15:58:52 -06:00

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baseline.f90

Improve FT8 SNR estimates in two ways:

2019-11-27 15:58:52 -06:00

bpdecode174_91.f90

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chkcrc13a.f90

Fix up some compiler errors when using gfortran v9

2019-02-10 20:43:51 +00:00

chkcrc14a.f90

Fix up some compiler errors when using gfortran v9

2019-02-10 20:43:51 +00:00

compress.f90

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DXpedQuickStart.txt

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encode174_91.f90

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encode174.f90

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extractmessage174_91.f90

Fix up some compiler errors when using gfortran v9

2019-02-10 20:43:51 +00:00

extractmessage174.f90

Fix up some compiler errors when using gfortran v9

2019-02-10 20:43:51 +00:00

filt8.f90

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foxfilt.f90

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foxgen_wrap.f90

Reconfigure foxgen.f90 for 77bit messages. Fox now transmits only 77bit messages.

2018-10-04 17:47:36 -05:00

foxgen.f90

Housekeeping. Remove unused code and unused variables. Silence some compiler warnings.

2018-12-05 16:06:33 -06:00

ft8_downsample.f90

Fix an off-by-one error. Remove attempt to refine DT estimate using polynomial interpolation.

2018-07-02 16:13:27 -05:00

ft8_params.f90

Fix an egregious bug and another not-so-egregious bug. The egregious bug prevented decodes of most signals with negative DT.

2018-12-03 07:18:52 -06:00

ft8_testmsg.f90

Convert ft8code to 77bit messages.

2018-10-19 16:36:32 -05:00

ft8apset.f90

In ft8apset, mycall and dxcall must be at least 3 characters long, otherwise they are treated as non-existent.

2018-12-24 11:19:07 -06:00

ft8b.f90

FT4: Subtraction is basically working.

2019-04-18 14:16:39 -05:00

ft8code.f90

Housekeeping. Remove unused code and unused variables. Silence some compiler warnings.

2018-12-05 16:06:33 -06:00

ft8d.f90

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ft8sim_fsk.f90

Rename ft8sim files as follows:

2019-11-27 09:08:17 -06:00

ft8sim.f90

Rename ft8sim files as follows:

2019-11-27 09:08:17 -06:00

gen_ft8wave.f90

Squash a SEGV

2019-04-20 01:14:23 +01:00

genft8.f90

FT4: Subtraction is basically working.

2019-04-18 14:16:39 -05:00

genft8refsig.f90

Fix an off-by-one problem.

2018-06-30 14:56:19 -05:00

get_spectrum_baseline.f90

Improve FT8 SNR estimates in two ways:

2019-11-27 15:58:52 -06:00

h1.f90

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ldpc_174_87_params.f90

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ldpc_174_91_c_colorder.f90

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ldpc_174_91_c_generator.f90

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ldpc_174_91_c_parity.f90

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ldpc_174_91_c_reordered_parity.f90

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osd174_91.f90

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subtractft8.f90

Tweak for consistency.

2019-07-12 10:41:09 -05:00

sync8.f90

Improve FT8 SNR estimates in two ways:

2019-11-27 15:58:52 -06:00

sync8d.f90

Remove all vestiges of old (isync=1) FT8 mode. Many changes here!

2018-11-05 11:59:48 -05:00

twkfreq1.f90

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watterson.f90

Make Watterson simulator causal.

2019-01-25 16:26:13 -06:00