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hi sos
wrote in message ... hi Jerry KD6JDJ yes i'll be thankful if u show how do it Hi "disc" I can help you a little with learning to use EZNEC to model a Quad Helix. I have a few Quad Helix antennas modeled for 137 MHz. That data is available to you. I can show you how to design your own hemispheric coverage antenna that will perform better than a Quad Helix for reception of signals from polar orbiting satallites. What do you want to do? Jerry KD6JDJ |