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Old July 29th 07, 05:53 AM posted to rec.radio.amateur.antenna
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Default Request EZNEC computation


"Ed" wrote in message
.92...
."

The answer to the question would seem to be that it would not work
very well just due to experiance. The swr would be off the charts and
a rig that had an internal tuner would not tune that kind of antenna
over that frequency range if the swr had to be under 3:1. Also the
loss in the coax due to the high swr would be very large..



Well, that was my original surmise of the situation. I was just
trying to have someone with expertize on EZNEC run the antenna at the
three frequencies listed in order to have the feedpoint SWR calculated
for each of those three frequencies. So far, no one, except Owen, has
come even close.


Hi Ed
Did you miss my post??? Or, did misunderstand your question. This
antenna is so easy to model with Roy's EZNEC that I suspect it would be an
excellant "first try" for you. Send Roy a few $$ and you will soon realize
that you have spent some money well.
I'd be willing to show you how to model it, and I am a novice user of
EZNEC. Your question certainly doesnt require an expert on EZNEC to be
answered very clearly.

Jerry KD6JDJ






I can work with the figures Owen provided for the one
frequency ( 3975) and do the rest of the calculations manually to
determine the SWR on that frequency, but had hoped for actual feedpoint
SWR data for all three actual transmit frequencies listed.

Thanks to all.

Ed




 
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