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All you electronics guys out there,
My work (ASB Avionics LLC, Mojave, CA) has
an STC for an HF notch antenna for the L-382G. It installs as a
replacement ventral fin ahead of the vertical stab. Its operating
frequency is from 2k to 30k Hz. The DC resistance of the notch is
.004 Ohm. We are trying to figure the current into the antenna in
amperes. The output power from the coupler is, I believe (and I must
check this figure), 10k watts. I understand there are variables in the
shape of the antenna which may limit us figuring this out without taking
emperical mesurements. We need a formula, even if it is fitted to
empirical data, which will yeild an input current over that
range.
I got wind of this today and
wonder if anyone out there can help me? I believe an integral from 2k to
30k of the appropriate formula will yeild a solution. Trouble is, in my
mind, writing that equation. Or, for that matter, can an
equation be written considering the shape of the skin which acts as
the emitter? The reactance of the emitter surface may not be calculable
and a fit to empirical data may be the only way to write this
equation.
If any of you guys have antenna experience I
would really appreciate a bang on the pipes off the LML. I am wdodson@bak.rr.com.
Thank you,
Walter
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