[amsat-bb] Re: Circular polarization
n0jy at lavabit.com
Sun May 13 16:43:18 PDT 2012
That has been my assessment and experience, too. Signals are consistent
and there isn't any fiddling or switching polarization to worry about
although I do find different results in signal strength between RHCP and
LHCP on the same satellite sometimes.
On 5/13/2012 3:59 PM, Trevor . wrote:
> I've found circular gives consistantly better results than a linear polarized antenna with the current amateur satellites.
> The IARU-R1 VHF Managers Handbook mentions standards for polarization on page 122. It can be downloaded at
> 73 Trevor M5AKA
> --- On Sun, 13/5/12, David 4X1DG<4x1dg at iarc.org> wrote:
>> Is a UHF circular polarization
>> antenna needed for the current operational
>> I am planning some work on my antenna system and wonder if
>> the CP
>> is needed, or actually, deteriorate the signal by 3dB if the
>> satellites are using linear antennae??
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