> > a) is this because of the fact that AO51 uses LHCP on 435.150 ? > b) anyone else confirming the same sharp difference between > RHCP & LHCP on the AO51 downlink ? > (guess this could be an argument NOT to use circular polarization) Hi Henk, I think you've got it right, the polarity difference is a killer. 73, Drew KO4MA