[amsat-bb] Re 70cms satellite polarity?

Angus angus at young5769.freeserve.co.uk
Tue Feb 3 05:31:13 PST 2009

Thanks to all for information,
until I can get hold of some more quality coaxial relays to build a 4 way polarity control box, I shall build the simple RHCP/LHCP switching unit as shown in the ARRL Handbook, this will allow me to switch between the two modes as needed, although I would like to try and build a complete unit allowing four modes of polarity control, when some quality coaxial relays are found.

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