[amsat-bb] Re: Polarity questions

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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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

Ryan, NF0T