[amsat-bb] Doppler correction between AOS and LOS

lu9cbl at gmail.com lu9cbl at gmail.com
Fri Nov 27 00:28:31 UTC 2020


Hi to all, a friend of mine, has satpc32 with and SDR. We have the 
doppler correction, when the satellites it's in AOS, de frequency it's 
OK, in TCA has (for example) 1 KHz difference, and in LOS has 2 KHz 
difference.

It's there any configuration to modify??? all the satellites that we 
found, in AOS has the correct frequency, but in TCA and LOS its not the 
same as we can see in the waterfall of HDSDR.

Ir i compare the doppler with http://www.amsat.org.ar/pass.htm the 
frequency has the same between the waterfall and the webpage.

Thanks in advance.

Mati LU9CBL


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