On 24/02/2021 05:14, Rob Robinett wrote:
Hi,

I want to enhance my wsprdameon system so that the many top spotters sites which use it will start  reporting FST4W spots.

However a 2 minute long 12 Ksps wav file which is successfully decode by 'wsprd' produces  a linux system error:

.../bin/jt9 --fst4w -p 120 210224_0456.wav > wsprd_stdout.txt
At line 58 of file /home/pi/wsjtx-prefix/src/lib/readwav.f90 (unit = 26, file = '210224_0456.wav')
Fortran runtime error: End of file

Perhaps I have missed documentation for the usage of 'jt9'.  Can some explain what format of wav files is expected by jt9?

Thanks

Rob

--
Rob Robinett
AI6VN

Hi Rob,

the most likely cause for that error is that the .WAV format is non-standard. We make no guarantees that WSJT-X code can read .WAV files that it has not written itself. Note that readwav.f90 module is not that big,it should not be hard to work out what format is expected!

https://sourceforge.net/p/wsjt/wsjtx/ci/wsjtx-2.3.0/tree/lib/readwav.f90

If you can provide me with an example of a .WAV file that does read (g4wjs <at> classdesign <dot> com) I can tell you when jt9 does not like about it.

73
Bill
G4WJS.

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