[amsat-bb] Re: probably simple
Nigel Gunn G8IFF/W8IFF
nigel at ngunn.net
Fri Jan 8 10:35:46 PST 2010
On 08-Jan-10 18:11, Pete Rowe wrote:
> Hi Greg
> I'm confused. It seems to me that the place when Doppler is zero is when the satellite is about half way through the pass. This is when the Doppler goes from positive (coming at me) to negative (going away from me). It seems like this place would be the time of closest approach (TCA) and not way out on the horizon when I see maximum Doppler.
> What am I missing?
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