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October 3rd 06, 05:29 PM
posted to rec.radio.amateur.antenna
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Antenna Theory
"Cecil Moore" wrote in message om... Ian White GM3SEK wrote: The modeling challenge is that the ribbon operates in two different modes at the same time: a radiating common mode with a velocity factor of say 0.95; and a non-radiating "stub" mode with a VF of about 0.8. The problem is to model both modes simultaneously, for the whole string of stubs, without changing the physical dimensions of the real antenna. I'm not sure if NEC can do this, but maybe Roy can comment? Thanks Ian, for the spelling and for jogging my memory on the subject. I believe you have hit the nail on the head. EZNEC apparently cannot "model both modes simultaneously". -- 73, Cecil http://www.w5dxp.com |
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Hybrid Mode
