Roy Lewallen wrote:
This isn't to say that an OCF dipole can't be fiddled until, radiating
feedline and all, it manages to present an acceptable SWR on several
bands.

I bought the 300 ohm feedpoint myth when I was at Texas A&M
in 1958 when I didn't know any better. I had an OCF fed with
300 ohm twinlead fed through a 6:1 air-core Heathkit balun
driven by a DX-40. The results were amazing to me at the
time. Now I know the pi-net output of the DX-40 would achieve
a match to almost anything and I should have been using a 1:1
balun. The Heathkit balun didn't have much loss and the 300
ohm twinlead didn't have much loss. I have no idea what the
actual impedances were, but losses were minimized and the
system successfully worked the world at the height of the
most active sunspot cycle in recorded history.
--
73, Cecil http://www.w5dxp.com
"According to the general theory of relativity,
space without ether is unthinkable." Albert Einstein