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2,4Ghz/LHCP-RHCP...???



Hello...
what polarization should be used for receiving the 
2,4 GHz downlink of Ao40....LHCP or RHCP ?
Or it`s better to have both available..?
How many helix-turns are recommended into a
60 cm parabolic dish..?
And for 1,2 GHz UPLINK...LHCP or RHCP or both,
to change for the best S/N...?
(Note: I had never worked before mode =S=...)

73,Jens / HB9JOI (DL9FAA)
AMSAT-DL.#9802268
e-mail: jspiess@dplanet.ch


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