[amsat-bb] Re: Is it 100% impossible to work a satellite below the horizon?

Stan, W1LE stanw1le at verizon.net
Sat Mar 12 16:57:56 PST 2011

Hello Bill,

Simple answer is YES.     The RS series were good examples.
I am sure I have done it on FMsats.

Enhanced propagation can extend your range both before normal AOS and 
beyond LOS.

Most programs seem to only use "line of sight" (LOS) Az/El settings.

One difficulty is that satellite programs may not give you info on where
you could talk to, for negative elevations. Only positive elevations.
I would like to see tracking programs that could give me info for -10 
not to track in elevation, but to track in azimuth.

One way to make that "elusive DX" QSO.

Stan, W1LE      Cape Cod   FN41sr

On 3/12/2011 7:25 PM, Bill Dzurilla wrote:
> I was giving a presentation at our club meeting called Working DX on the Satellites and afterwards someone had a good question: is it at all possible that tropo, skip, or other form of enhanced propagation can enable a contact via a satellite below the horizon?
> It has never happened to me.  Has it ever happened?
> 73, Bill NZ5N
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