Ignore my last - I mistakenly replied to an old email.
Eric
/elecraft.com/
On 2/9/2016 1:04 PM, Eric Swartz - WA6HHQ, Elecraft wrote:
Guys - please take this off reflector until you are in agreement.
73
Eric
List Moderator
/elecraft.com/
On 2/5/2016 8:15 PM, Ron D'Eau Claire wrote:
Gee, Wes. It's only basic RF engineering.
If you'd care to be specific about any objection, please do so. I'll be glad
to get into details on or off the reflector.
73, Ron AC7AC
-----Original Message-----
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Wes
(N7WS)
Sent: Thursday, February 4, 2016 4:18 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Balun suggestions
I just pinched myself; I'm not dreaming and it's not April 1st, so I guess
you're serious.
You are also so wrong on so many points, I'm not going to waste time trying
to refute or correct them.
Jim, please ignore everything said below.
Wes N7WS
On 2/4/2016 3:05 PM, Ron D'Eau Claire wrote:
Your feed line will do the job by itself so no additional "balun" is
needed.
Keep in mind that a 1:1 balun is really just a length of feed line,
usually wound on a toroidal core to make the required length shorter
than if it was in open air. The "old-school" baluns were just a pair of
air wound coils.
If your balanced feed line is at least 1/4 wavelength long, the
currents will be "balanced" (equal and out of phase) at the antenna.
That assumes your antenna is perfectly balanced to provide a perfectly
balanced load, which "balanced" antennas almost never do. There are
just too many variables. So expect excellent results even with shorter
feed lines. The amount of radiation (or pickup) from the feed line
even at the rig end is small in any case.
Connect one side of the open wire feed line to the KAT100 SO-239
center pin and the other to the KAT100 ground terminal.
73, Ron AC7AC
-----Original Message-----
K2/100 and KAT100 here.
I am changing around my modest antenna configuration now. I have been
using the K2/100 with my AH-4, and now wish to use the KAT100 with
balanced feedline antennas.
What balun, homebrew or commercial, if any, should I use? I almost
always run 5 watts, all CW.
73 de W6OGC Jim Allen
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