[SCCC] Phased verticals

[Dennis Younker NE6I]

Toward the bottom of this article shows another alternative using coax to do
what you propose.

https://www.cv.nrao.edu/~demerson/twelfth/twelfth.htm

--Dennis NE6I

-----Original Message-----
From: SCCC <sccc-bounces at contesting.com> On Behalf Of Bob Grubic
Sent: Monday, August 12, 2019 6:25 PM
To: Southern California Contest Club <SCCC at contesting.com>
Subject: [SCCC] Phased verticals

I am considering using two 20-meter phased verticals for some portable
operations. (Later, two 40-meter verticals.)

Keeping it simple at first, I'd run coax from my rig to a T-connector and
then through identical, same length pieces of coax to each vertical
(driving them in phase). I've seen this scenario several times online, but
the fact that two 50-ohm antennas would be in parallel at the T-connector
to give you a 25-ohm load (in effect), somehow bothers me.

I've seen an article online suggesting using an UNUN to match the rig's
coax to the two legs feeding the antennas--essentially replacing the
T-connector (with a UN-22-25 from CWS). http://www.cwsbytemark.com/  I
can't find any other discussion of this particular subject online.

Has anyone had any experience with this or thoughts on the subject? I'd
appreciate hearing about it.

Thanks very much.

73,
Bob NC6Q
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