[CQ-Contest] Vertical w/Tower Counterpoise?

Keith Dutson kdutson at sbcglobal.net
Sun May 27 17:56:28 EDT 2007

I installed a Force 12 Sigma 80 vertical for a few months.  It never seemed
to do as well as a plain 80 meter dipole in inverted vee configuration with
apex at 70 feet.

73, Keith NM5G

-----Original Message-----
From: cq-contest-bounces at contesting.com
[mailto:cq-contest-bounces at contesting.com] On Behalf Of Ev Tupis
Sent: Sunday, May 27, 2007 12:15 PM
To: CQ-Contest eMail Remailer
Subject: [CQ-Contest] Vertical w/Tower Counterpoise?

It is time for me to install a more permanent HF antenna system to make more
routine HF contest operation possible.  I wish to install a vertical to
reduce complexity.

I have no room for radials so I'm looking to install either (1) a 1/2 wave
(no radials needed) or (2) 1/4 wave trap vertical (40-10 meter) at the top
of a 30' Aluminum tower...using only the tower itself as a counterpoise.

Does anyone have any real-world experience with this sort of setup that they
care to pass along?  Any/all insights specific to this thought would be
appreciated.  Thank you!

Ev, W2EV

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