[amsat-bb] Ham Radio Deluxe & satellite related topics

Roy Dean royldean at gmail.com
Thu Jan 31 12:20:25 UTC 2019


The below sounds correct to me.   The speed of the object traveling toward
you makes up for the lower frequency from terrestrial origin.

--Roy
K3RLD


> But the uplink frequency has the opposite behavior and is clearly not
> correct. That is - as the sat is headed towards you from AOS, the rig is
> tuned to a TX frequency LOWER than the TX frequency of the sat and it's
> increasing until TCA (where, momentarily the rig is tuned exactly to the
> sat's RX/upling frequency)... then begins to increase in frequency as the
> sat moves away towards LOS. None of that makes sense to me.


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