This is the ublic repository for the decoder of URESAT-1 satellite. It contains two versions:
- bit version The bit version accepts 0 and 1 (as characters) from the standard input. (So use < to redirect from file or source). These are the raw bits generated by the demodulator. When it finds sync (BF35) it begins to decode the incoming packet (checking CRC and doing the descrambling). It a bit is not received in time, it aborts the decoding (signal lost).
There is more information and also the decoder in AMSAT-EA web: https://www.amsat-ea.org/proyectos/
- byte version The byte version accepts as parameter a file containing an already descrambled and CRC checked byte sequence. It justs converts it to the original packet. This program has been made to work with third party demodulators that deliver bytes.
For any questions, please write us to [email protected]
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