First if want the swr right do this take the beam place the reflector on the
ground stand the driven El towards the sky straight up with 1/4 wave stub
on it by placing the antenna on the ground with reflector end on the ground
and the driven and director pointing skyward vertical in this position the
antenna will be tuned to your frequency. Hope this helps.
N9IWW
-----Original Message-----
From: towertalk-bounces@contesting.com
[mailto:towertalk-bounces@contesting.com] On Behalf Of Doug Renwick
Sent: Friday, March 25, 2005 12:03 AM
To: towertalk@contesting.com
Subject: Re: [TowerTalk] A3S
Make sure:
1. Some/all traps are not installed backwards. Pull the black plastic
trap covers off. The coil cover is screwed to the element and the screw
end should be towards the boom.
2. The outer trap for the director is different from the driven and
reflector...make sure the director has the TB trap and the rest the
TC trap.
3. When you have the black plastic trap covers off in 1. reseat the
screw that is attaching the cover to the element. Sometimes this area
corrodes and makes a poor contact.
Doug
K8fu@aol.com wrote:
> With the antenna raised to 50' the swr on 10 & 15 is 1.2 (Good enough for
> Govt work)
> But the swr on 20 is 2.5. How do I adj to lower the resonant freq to
14.030
> while maintaining current setting on 10 & 15 ?????? I've cked the spacings
> and overall element length. Everything within 1/4".
> Any ideas...........????
--
Doug Renwick VA5DX
PO Box 50, Clavet, Saskatchewan, Canada S0K 0Y0
VE5RA@sasktel.net
First VE5 5BDXCC, 160M DXCC & 9BDXCC
What profit it a ham if he gains all the awards yet forfeits his soul?
I'll run the race and I will never be the same again.
_______________________________________________
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.
_______________________________________________
TowerTalk mailing list
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http://lists.contesting.com/mailman/listinfo/towertalk
_______________________________________________
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.
_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
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