Topband: 160m Vertical matching Help

[Wes Attaway (N5WA)]

Without doing any modeling, an off the top of the head idea, one option
would be to drop a wire down from the end of each of the T wires you have at
the top.  You might be able to move the point of lowest SWR down to 1.8 with
2x 15' +/- drop wires.

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Wes Attaway (N5WA)
(318) 393-3289 - Shreveport, LA
Computer/Cellphone Forensics
AttawayForensics.com
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-----Original Message-----
From: Topband [mailto:topband-bounces at contesting.com] On Behalf Of MR TREVOR
DUNNE
Sent: Wednesday, November 01, 2017 11:54 AM
To: topband List
Subject: Topband: 160m Vertical matching Help


Hi All



I finally got the vertical up and running, problem I have now is I can't
find a low SWR on the coil, the best I can get is about 2.8:1 no matter
where I tap the coil that's the best SWR, I can move that point up and down
the band by moving the tap but the SWR stays the same,

My current set up is about 55ft vertical I have 2 loading wires in a T
shape, wires are 50ft either side of the vertical and the are pretty level
and in line,

I have 38 radials averaging about 45-60ft long, I will add more when time
allows but don't the make the SWR worse ??

With no coil I get resonance at 2.12mhz with R=16 X=2 on my MFJ269,

The coil is 25ft of 5mm copper brake pipe in a 4" diameter, the coil is
attached to base of the vertical and the other end is grounded,

Any pointers on what I can do to get a better match,

Thanks
Trevor
EI2GLB
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