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#6
August 13th 06, 07:16 PM
posted to rec.radio.amateur.antenna
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Receiving Loop
John wrote: Hello all, I am new to the group and have a question. Does anyone know a good source of information on small (less than .1wl), shielded (coax) magnetic loops? In particular, I would like to know design equations (are ON4UN's formulae correct and complete?). Why do most people use RG-59 rather than a thicker coax (shielding, C/ft?)? Why is 20' for 160 meters the norm? Discarding mechanical considerations, wouldn't thicker coax provide greater efficiency? I found ON4UN's book lacking on this antenna. Thanks in advance, John, N9RF Try reading this John http://www.w8ji.com/magnetic_receiving_loops.htm 73 Tom |
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