[amsat-bb] SDR transmitter asa Doppler dig-gen

Dani EA4GPZ daniel at destevez.net
Mon Apr 17 15:02:35 UTC 2017

El 17/04/17 a las 16:37, Robert Bruninga escribió:

> Can anyone whip out some code to make the oscillator follow a Doppler Ramp
> in freuqncy from say 58.100 to 58.900 MHz over a ten minute pass.  That
> should be easy enough for one-observer.  Can just be linear for now
> (simulating a low pass).

Hi Bob,

You can take a look at gr-gpredict-doppler.


Together with one or two (for the case of two observers) instances of
Gpredict, it can do what you want.



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