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On Mon, 7 Apr 2008 10:42:45 -0700 (PDT), Art Unwin
wrote: On Apr 7, 12:19 pm, Richard Clark wrote: On Mon, 7 Apr 2008 09:09:04 -0700 (PDT), Art Unwin wrote: To be more specific is Wheeler refering to small FULL wave antennas or smal fractional wave antennas.? These are very different and one must be absolutely clear with what Wheeler is dealing with. My guess is that he is refering to fractional wave antennas which is very common in the communication field hi Arthru, But even more meaningful, are you speaking of large FRACTIONAL wave antennas, or small WAVE full antennas? My guess is probably both which is common in your communication. 73's Richard Clark, KB7QHC Wheeler is known for his work on small electricaly or fractional wavelength antennas. I was enquiring if the referred paper on limits were of small electrical or fractional wavelength antennas or has he broardened out to include small full wave antennas. Big difference Wheeler worked with Woolsey and I believe they did seminal research on the risible nature of fractional small wave large antennas when put into a Skinner box to test stress levels. Fractional small wave large antennas have the characteristic of being wide banded across a very small percentage of frequencies with efficient operation in the low teens to single digits on a length basis per unit charge. 73's Richard Clark, KB7QHC |
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