[amsat-bb] Mac Doppler

[Burns Fisher]

He must have been tuning while he was looking at an inverting linear
transponder.  That is, the downlink frequency goes up while the downlin
frequency goes down as you tune across the passband.  The doppler
correction will always be in the same direction.

On Fri, Jul 10, 2020 at 7:32 PM Joe via AMSAT-BB <amsat-bb at amsat.org> wrote:

> A buddy of mine just installed MacDoppler
>
> It seems to work great but he sent me a video that doesn't make sense to
> me.
>
> It is controlling his radio changing freqs as needed to account for
> Doppler.  BUT... I have never seen this before.
>
> the 144 band was changing one way in freq and the 440 band the other
> way.  Huh? That doesn't seem right in my head.
>
> anyone care to maybe explain whats happening?
>
> Joe WB9SBD
>
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