[amsat-bb] Re: Elk dualband antenna experiences

Andrew Glasbrenner glasbrenner at mindspring.com
Tue Dec 21 14:01:37 PST 2010

On 12/21/2010 4:40 PM, David Palmer wrote:
> As for polarization, I've noticed that I get much better performance
> out of the Elk by rotating the antenna to match the polarization of
> the satellite at any given instant.

Absolutely! Even circular downlinks are more elliptical, and have a 
preferred polarity. The same principles apply on the uplink too!

See http://www.youtube.com/watch?v=XTqjQ9xIQQE for a 29 second 
demonstration of this effect.

73, Drew KO4MA

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