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Minimal set of files required to build the FT8 decoder by Joe Taylor, K1JT and Steve Franke, K9AN. https://github.com/pavel-demin/ft8d
ft8
64 Commits 1 Branch 0 Tags 217 KiB
Fortran 62.8%
C 36.8%
Makefile 0.4%
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Pavel Demin 9bf5d0b233 replace fftw with pffft
2020-06-27 18:39:46 +00:00
AUTHORS fix authors 2018-08-13 15:00:02 +02:00
baseline.f90 set sample rate to 4000 2018-04-01 22:08:21 +02:00
bpdecode174_91.f90 port changes from WSJT-X 2.1.2 2020-06-25 10:00:22 +00:00
chkcall.f90 switch to 77-bit message protocol 2018-12-15 13:25:41 +01:00
chkcrc14a.f90 fix compiler errors when using gfortran 9 2019-05-01 13:40:10 +02:00
COPYING initial commit 2018-03-24 12:20:34 +01:00
crc14.c switch to 77-bit message protocol 2018-12-15 13:25:41 +01:00
crc.f90 switch to 77-bit message protocol 2018-12-15 13:25:41 +01:00
deg2grid.f90 initial commit 2018-03-24 12:20:34 +01:00
determ.f90 initial commit 2018-03-24 12:20:34 +01:00
encode174_91.f90 switch to 77-bit message protocol 2018-12-15 13:25:41 +01:00
fmtmsg.f90 switch to 77-bit message protocol 2018-12-15 13:25:41 +01:00
four2a.c replace fftw with pffft 2020-06-27 18:39:46 +00:00
ft8_downsample.f90 add tapering to ft8_downsample.f90 2018-10-23 08:44:14 +02:00
ft8_params.f90 set MAXCAND to 500 2019-02-11 00:59:51 +01:00
ft8b.f90 port changes from WSJT-X 2.1.2 2020-06-25 10:00:22 +00:00
ft8d.f90 increase size of allmessages and allsnrs in ft8d.f90 2020-06-25 15:28:54 +00:00
gen_ft8wave.f90 use table lookup for exp in gen_ft8wave.f90 2020-06-25 12:27:50 +00:00
genft8.f90 port changes from WSJT-X 2.1.2 2020-06-25 10:00:22 +00:00
gfsk_pulse.f90 port changes from WSJT-X 2.1.2 2020-06-25 10:00:22 +00:00
grid2deg.f90 fix snr calculations 2018-10-15 23:43:39 +02:00
indexx.f90 initial commit 2018-03-24 12:20:34 +01:00
ldpc_174_91_c_generator.f90 switch to 77-bit message protocol 2018-12-15 13:25:41 +01:00
ldpc_174_91_c_reordered_parity.f90 switch to 77-bit message protocol 2018-12-15 13:25:41 +01:00
Makefile replace fftw with pffft 2020-06-27 18:39:46 +00:00
osd174_91.f90 switch to 77-bit message protocol 2018-12-15 13:25:41 +01:00
packjt77.f90 port changes from WSJT-X 2.1.2 2020-06-25 10:00:22 +00:00
packjt.f90 switch to 77-bit message protocol 2018-12-15 13:25:41 +01:00
pctile.f90 initial commit 2018-03-24 12:20:34 +01:00
pffft.c replace fftw with pffft 2020-06-27 18:39:46 +00:00
pffft.h replace fftw with pffft 2020-06-27 18:39:46 +00:00
pfx.f90 fix snr calculations 2018-10-15 23:43:39 +02:00
platanh.f90 port changes from WSJT-X 2.1.2 2020-06-25 10:00:22 +00:00
polyfit.f90 initial commit 2018-03-24 12:20:34 +01:00
README replace crc10 and crc12 with crc14 in README 2019-02-15 11:44:53 +01:00
shell.f90 initial commit 2018-03-24 12:20:34 +01:00
subtractft8.f90 port changes from WSJT-X 2.1.2 2020-06-25 10:00:22 +00:00
sync8.f90 port changes from WSJT-X 2.1.2 2020-06-25 10:00:22 +00:00
sync8d.f90 switch to 77-bit message protocol 2018-12-15 13:25:41 +01:00
twkfreq1.f90 initial commit 2018-03-24 12:20:34 +01:00

README 

Minimal set of files required to build the FT8 decoder by Joe Taylor, K1JT and Steve Franke, K9AN.

The original sources can be found at:

  https://sourceforge.net/p/wsjt/wsjtx/ci/master/tree/lib/ft8

A brief description of the FT8 protocol can be found at:

  http://physics.princeton.edu/pulsar/k1jt/ft8.txt

Changes from the original sources:
  - ft8d.f90 is updated and working
  - crc14.cpp is replaced with crc14.c
  - hardcoded values are replaced with parameters in baseline.f90 and ft8b.f90
  - input format is changed to complex samples at 4000 samples per second