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#9
October 18th 13, 02:59 AM
posted to rec.radio.amateur.antenna
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Gamma Matching Question
"Irv Finkleman" wrote in message ... I am planning to build a magnetic loop antenna and feed it by means of a gamma match. I understand that a gamma match will work over a wide range of frequencies. I hope to work a number of bands using the same loop. My question is -- when I'm ready to test the antenna do I adjust the gamma match at the lowest frequency I plan to use, or the highest? I have considered other forms of coupling the rig to the transmitter but prefer to use the gamma match. Thanks in advance for any assistance or advice in this matter. Irv VE6BP The US Coast Guard has used circular loop antennas for transmitting. I remember noting them when I did EMI inspections on several Coast Guard cutters in the 1990's. Perhaps that knowledge will lead you in the direction of existing documentation on the methods they used. All of my data is long gone but I did see this guy's page on-line: http://www.aa5tb.com/loop.html Good luck. |
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