[Antennas] RE: cfa antennas
Hsu, Aaron
[email protected]
2002年3月21日 14:42:13 -0800
Chad,
The CFA topic was throughly discussed on this reflector (and on TowerTalk) a
couple of years ago. It resulted in several bruised egos, a couple of
people permanently kicked off the reflector(s), and a thorough understanding
of the mathematics and science of antenna engineering. If you dig through
the list archives, you'll find yourself buried in information, insults,
accusations, etc.
I believe the general concensus was that the CFA is about equal (or maybe
+0.5 dB) to a Heath Cantenna. If you have an open mind and are willing to
accept verbal findings which contradict known laws of physics and for which
a formula can not be witten with current mathematics, then the CFA will give
you F12 C-31XR performance in a package the size of Cantenna.
- Aaron Hsu, NN6O (ex-KD6DAE)
{nn6o}@arrl.net
{athsu}@unistudios.com
No-QRO Int'l #1,000,006
. -..- - .-. .- ".... . .- ...- -.--"
p.s. Please, no flames (direct or to the refelector).
-----Original Message-----
From: Chad~~KM5QF~~ [mailto:[email protected]]
Sent: Thursday, March 21, 2002 2:04 PM
To: [email protected]
Subject: [Antennas] cfa antennas
thanks for the replies.
am quite interested in antenna research and anything new is certianly going
to draw my attention yet based upon the available data i cant help but at
this point agree in the "voodoo science" train of thought. The very few
explanations I can find on the subject are all spoken in theorems and
equations. Every other antenna style and model I know of can be described
and explained in plain english using common math and smith charts. Why is
this not the case with CFA's? With a large enough tuner i can work dx on
twenty using fifty watts and a brass door-knob.
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