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The ultimate tilted monopole
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? Chris # Schellkunoff, S.A., and Friis, H.T. Antennas, theory and practice. John Wiley & Sons Inc., New York, 1952. pp 104 to 106. .... and if that isn't enough, how about the Racal Antennas 'Difan' http://www.racalantennas.com/product...45-30mhz.aspx? |
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