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#6
September 8th 09, 12:00 PM
posted to rec.radio.amateur.antenna
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The ultimate tilted monopole
"Sal M. Onella" wrote in message ... "christofire" wrote in message ... In the words of the great Basil Fawlty "you'll like this one"! It appears to be believed, by one or two who frequent this NG, that a tilted monopole provides more gain and somehow 'better' EM radiation than a vertical one. However, we've seen that tilting a vertical monopole distorts its radiation pattern so it is no longer truly omni-directional in the horizontal plane. Then why not create an array of such tilted monopoles, all tilted in different directions, to restore the omni-directional pattern. The result is a discone antenna, or a discage like the one illustrated at http://gvarc.us/GVARCFrames/Titan/Di...ch4life002.jpg. I wonder what the 'new-age theorists' would make of this. Does it require the Coriolis effect to analyse it, or is the old-fashioned version provided by Schellkunoff & Friis(#) still adequate? Such a design also appears as a self-supporting HF receive antenna the Navy mounted on the forward gun mount. I struggled to find a picture of a ship with one showing but no luck. The elements were about five to seven feet long and arranged as the OP describes. USS Missouri http://www.kh6bb.org/photos2.html Chris |
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