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Re: DOS programs for decoding P3D telemetry





> We have placed on our http://www.amsat-france.org WEB site some DOS
programs
> developped to decode and display Phase 3D telemetry transmissions.
> The first program, called pskdem.exe, developped by Ghislain F1HDD,
converts
> 400 bds PSK sound files into p3d.tlm files containing the binary data
> stream.
> A second program, called tlmdec.exe uses OE1KIB/OE1VKW data to convert the
> binary data into a fully decoded information (that is voltages,
> temperatures, status, etc).
> A french Help file is also included (english version is under
construction).
>
> How to use this stuff ?
>
> 1) Download the full package from our AMSAT-F site
> 2) Record BPSK 400 Bds signals (using Window Tape Recorder for exemple).
Use
> a USB receiver giving an audio center frequency located somewhere between
> 1200 and 1600 Hz
> 3) Measure carefully the audio center frequency (using Spectrogram or
> CoolEdit for exemple)
> 4) Run pskdem.exe and type the mesured center audio frequency
> 5) Run tlmdec.exe to get the decoded data on the PC screen.
>
> This software package is a freeware. Processing is limited to about 360000
> characters.
>
> AMSAT-F is also developping a Windows version which should be available in
> the next few days.
> This program, uses a FFT display and will allow an easy tuning of the
center
> frequency.
> The program is intended to convert audio PSK streams into binary files.
>
> Any remarks to be sent to Ghislain F1HDD  (ruygh@attglobal.net) and /or to
> me.
>
> 73 de Jean-Louis F6AGR
> AMSAT-France Secretary
> ----
> Via the amsat-bb mailing list at AMSAT.ORG courtesy of AMSAT-NA.
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>

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