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Topband: Elevated Radial Question

To: topband@contesting.com
Subject: Topband: Elevated Radial Question
From: Bob Witmer <witmerjr@gmail.com>
Date: Wed, 6 Feb 2019 18:10:47 -0500
List-post: <mailto:topband@contesting.com>
Gentlemen:

I’ve recently installed my first 160M antenna - a 90 foot linearly loaded 
sloping vertical with a single 126ft elevated ( 10-15ft off the ground ) 
vertical.

I’m feeding this with a dual core current choke balun and to my surprise it 
presents a 1.2 SWR at 1.83Mhz at the balun.  2:1 SWR bandwidth is ~ 50KHz.  The 
shack connection to the balun is through about 125ft of RG213 coax on the 
ground.

It seems to be working OK but my question is:

I can add one more 126ft elevated vertical but it would be almost at a right 
angle to the first radial and would come within 15ft of the house with aluminum 
siding - Will this additional elevated vertical provide some improvement or 
just create the potential for additional noise pick-up due to it’s location 
near the house?

Thanks in advance for your thoughts and suggestions.

73

Bob

W3RW
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