[amsat-bb] Curious -- Frequency of SO-50 downlink at the bird?

Bill Gaylord chibill110 at gmail.com
Thu Feb 20 00:33:34 UTC 2020


Be aware that Satnogs ground stations frequency are only as accurate as the
ppm offset the owner set it up with.

KD9KCK

On Wed, Feb 19, 2020 at 6:17 PM Roy Dean via AMSAT-BB <amsat-bb at amsat.org>
wrote:

> >
> > Just wondering if anyone has measured the frequency of the SO-50 downlink
> > at the bird recently? I've noted it appears to be a bit lower than I
> would
> > expect, about
> > 436.793.5. The frequency wobble I saw over the pass was due to my step
> > size in the Doppler correction. Obviously well within the capture range
> > for 435.795 FM, but mostly curious. 73, Bob, WB4SON
>
>
> https://network.satnogs.org/observations/1725800/
>
> Looks like your observation is spot on.   SatNogs is tracking it at 436.793
> - and it actually looks like (from the waterfall), that that half kHz may
> be there, too.
>
> --Roy
> K3RLD
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