[amsat-bb] SO-50 Frequency Drift

David Palmer KB5WIA kb5wia at amsat.org
Mon Jun 9 21:11:33 UTC 2014

I also can confirm that SO-50's actual downlink is lower than
published, by about -5 to -10kHz.


On Sun, Jun 8, 2014 at 6:19 PM, Tom Schuessler <tjschuessler at verizon.net> wrote:
> I will say that the fact that the actuality of the 5KHz lower than published
> frequency (Known for years) is the reason that often times you here a newby
> on the bird, throwing out his call, getting responded to but never answering
> back.  I had a good QSO on HF a bit back, mentioned "I do AMSAT" and he said
> something to the effect, "I tried listening and calling but never heard
> anything".  I told him about the "Actual vs. published"  frequencies.  He
> says "Well that probably explains it then".  Even K6LCS's great pages at
> http://www.work-sat.com/Sat_Skeds.html do not refer to the offset.  I am
> convinced that this disparity is the cause for at least some of the QRM on
> that bird, not all but some.
> Tom Schuessler
> n5hyp at arrl.net

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