[Antennas] tuning a TH6DXX

paul at w8aef.com paul at w8aef.com
Thu Jun 9 23:21:51 EDT 2005


I suspect there may be something under the surface of the roof that is 
messing you up.  I would move it back to the ground and point it straight up 
for the SWR observations.  Stick a tube or something in the rear end of the 
mast to keep the reflector up off the ground and use some rope to hold it 
vertical.

This is the method I have used on all of my yagi's and it works great.  The 
4 element 20m monobander on the 41 foot boom was a challenge, but it did 
work.

And my observations held when I got the antennas on the tower.

de Paul, W8AEF

----- Original Message ----- 
From: "John Luthy" <jluthy at worldnet.att.net>
To: <Antennas at mailman.qth.net>
Sent: Friday, June 10, 2005 1:00 AM
Subject: [Antennas] tuning a TH6DXX


>I need advice on tuning this antenna TH6DXX  I have followed the
> instructions very carefully to set it in the phone band, However the
> 20m "sweet spot" is in the cw portion.   Here are the frequencys where
> I get the lowest SWR



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