[amsat-bb] Re: AO-73 Doppler shift

[Andrew Glasbrenner]

Yep, it drifts. Best to tune that one by hand in my opinion. G0MRF addressed it in an email to the -bb a while ago if I recall correctly. 

73, Drew KO4MA

Sent from my iPhone

> On Jan 10, 2014, at 4:26 PM, "Peter Wilson" <protest at virginmedia.com> wrote:
> 
> Hi all,
> 
> 
> 
> I'm having great fun on all the operational satellites, including AO-73.
> 
> 
> 
> However, I find that even using CAT control I have to adjust the uplink
> frequency almost constantly throughout the pass.
> 
> I have to shift buy about 3500Hz overall from start to finish, increasing
> all the time.
> 
> 
> 
> Is everyone else seeing the same effect?
> 
> 
> 
> Peter
> 
> G8KEK
> 
> _______________________________________________
> Sent via AMSAT-BB at amsat.org. Opinions expressed are those of the author.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb