[amsat-bb] Re: Polarity questions

pe0sat pe0sat at vgnet.nl
Fri Sep 19 11:02:31 PDT 2008

On Fri, September 19, 2008 16:58, Ryan Butler wrote:
> Tim Tapio wrote:

Hi Tim,

>> How much signal reduction is there as the result of having the wrong
>> circular polarization?

> The difference between RHCP and LHCP is 20 dB
> The difference between Horizontal and Vertical Linear is 20 dB
> The difference between (RHCP or LHCP) and (Horizontal or Vertical) is 3 dB

If I understand right, you only get 3db extra when using CW/CCW but I have
also read somewhere that you also lose 3db when running CW/CCW so why use
Circulair polarisation and not just Horizontal or Vertical pol.

> Ryan, NF0T

73's Jan / PE0SAT

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