[amsat-bb] Re: RH and LH CP simutaniously

[Nigel Gunn G8IFF/W8IFF]

Would effectively cause a 3dB loss of antenna gain as seen by another 
circularly polarised antenna as the receiving end would receive 
negligable signal 50% of the time.

R. Chastain wrote:
> Hi all,
> ��� Has anyone ever considered the possibilty of using PIN diodes and a free running square wave oscillator to electronically switch between RHCP and LHCP?
> The switching frequency would have to be high enough so as to not introduce
> a tone to the signal.
> �
> Just a thought I have had for awhile.
> �
> RoD
> KD0XX
>
>
>       
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-- 
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Nigel A. Gunn. G8IFF   W8IFF (was KC8NHF)
1865 El Camino Drive, Xenia, OH 45385-1115, USA   937 825 5032
e-mail nigel at ngunn.net             www  http://www.ngunn.net 
Member of  ARRL, GQRP #11396, QRPARCI #11644, SOC #548,  Flying Pig #385,
                  Dayton ARA #2128,  AMSAT-NA   LM-1691,  AMSAT-UK, MKARS,  ALC
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