[amsat-bb] Re: Polarity questions

Edward Cole kl7uw at acsalaska.net
Fri Sep 19 07:32:01 PDT 2008


Roughly 20-dB, assuming the signal is pure circular polarization.  If 
it is linear, then -3 dB.
73, Ed

At 04:58 AM 9/19/2008, Tim Tapio wrote:
>Hi,
>
>How much signal reduction is there as the result of having the wrong
>circular polarization?
>I'm looking at M2 circular antennas for the 70cm downlink, it's another $200
>for the switching to change polarity (woo hoo).
>
>73 de Tim, K4SHF
>
>
>
>
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