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

[Gordon JC Pearce MM3YEQ]

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.

Why would this not work?  Or rather, why would this be at best no better 
than a normal planar-polarised antenna?

Gordon