[amsat-bb] Re: adjusting for Doppler
kq6ea at verizon.net
Tue May 14 13:32:41 PDT 2013
It explains all you've heard, and more.
73, Jim KQ6EA
On 05/14/2013 07:47 PM, Rolf Krogstad wrote:
> I am sure this has been hashed over in the past but as a novice to the
> birds I am not sure how to proceed when operating one of the linear
> I looked at the latest editions of two ARRL publications:
> ARRL Operators Manual, edition 9, copyright 1007-2011
> ARRL Satellite Handbook, copyright 2010
> Both are very clear about how one should allow for Doppler shift on the
> linear transponders.
> One clearly says find your spot and then use the downlink VFO to adjust for
> Doppler shift, don't touch the uplink VFO after the initial setting of the
> The other clearly says find your spot and then use the uplink VFO to adjust
> for Doppler shift, don't touch the downlink VFO after the initial setting
> of the frequency.
> Color me confused...
> Rolf NR0T
> Amsat #38889
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