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Author Topic: Decoding GMSK with a soundcard...  (Read 1621 times)
EI4HQ
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« on: July 16, 2004, 07:20:11 PM »

I'm a merchant sailor turned computer science researcher who happens to be a ham as well... Hence the following 'might' make some sense ;-)

I want to have a go at decoding a transmission mode called Gaussian Minimised Shift Keying (GMSK). This is the mode used by shipboard UAIS (Universal Automated Information System) transponders. For information on UIAS see http://www.ais.org.

I'm not aware of any software that can decode GMSK transmissions. If there is, I'd love to hear about it!  Alternatively, I'm looking for technical information about how to program a soundcard, preferrably under Linux. I'm apathetic about programming language, any will do.

Thanks!
Cormac, EI4HQ
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