[TowerTalk] Slopers, half slopers, (using the tower)

Gene Smar ersmar at comcast.net
Wed Dec 29 12:12:54 EST 2004


Bill:

     Check out the posting by N4KG regarding slopers:
http://lists.contesting.com/archives//html/Towertalk/2002-01/msg00186.html .
I referred to this info before I installed my half-sloper for 80M off my
tower.  My wire works well, i.e., it shows resonance/lowest SWR around 3.65
MHz, is fairly broad (under 2:1 from 3.6 - 3.75 MHz or so), and sounds
louder than any other non-80M  antenna I have.

73 de
Gene Smar  AD3F

----- Original Message ----- 
From: "Bill Coleman" <aa4lr at arrl.net>
To: "Tower (K8RI)" <tower at rogerhalstead.com>
Cc: <towertalk at contesting.com>
Sent: Tuesday, December 28, 2004 10:47 AM
Subject: Re: [TowerTalk] Slopers, half slopers, (using the tower)


>
> On Sep 25, 2004, at 8:57 PM, Tower (K8RI) wrote:
>
> > Any one have experience with "half slopers"? (half of a half wave with
> > the tower serving as the other side)
>
> I have a half-sloper for 40m coming off my 15m tower at the 12m level.
>
> Performance was OK. It improved a lot when I when from 4 to 13 60 foot
> radials around the tower base for the 80m shunt feed.
>
> Seems to me a lot of the half-sloper is vertically polarized.
>
> Bill Coleman, AA4LR, PP-ASEL        Mail: aa4lr at arrl.net
> Quote: "Not within a thousand years will man ever fly!"
>              -- Wilbur Wright, 1901
>
> _______________________________________________
>
> See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless
Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any
questions and ask for Sherman, W2FLA.
>
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