[Milsurplus] Re: Ongoing hf command antenna

[David Stinson]

> } End fed wires radiate, whether they're on the top
> } of an aircraft or not.  A wire is a "capacity hat"
> } if it's fed near the center so that the fields on
> } both sides, being of oposite polarity, cancell each
> } other.  

Not so, *assuming* an "electrically short" length of
about one-tenth wavelength or less.  Be it an inverted "L"
configuration or a "T," the horizontal element is a non-radiating
capacitive load- part of the "balanced transmission line"
we previously discussed.  Where the imbalacing element is
introduced is irrelevant.

We're tending to mix concepts here, and it's getting us
at odds while comparing apples to oranges.
There are big differences between
a "jeep" antenna of 20 feet at 4 MC,
a B-29 antenna at 4 MC and
a "fighter" antenna of 4 feet vertical
to 12 feet of horizontal top load a 4 MC.
The jeep and B-29 antennas are significant portions
of a wavelength, while the the "fighter" antenna is not
and is in a whole, different "universe" from the
other two.  It's also a simpler "universe," which
is why I can understand it and not the others ;-).
73 Dave S.