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[TowerTalk] Comparing K9AY Loop and KB7GF Shared Apex Loop Array?

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Subject: [TowerTalk] Comparing K9AY Loop and KB7GF Shared Apex Loop Array?
From: Eric Rosenberg <ericrosenberg.dc@gmail.com>
Date: Sun, 11 Aug 2013 14:24:16 -0400
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
I'm in need of a decent 160 receive antenna that can fit in my 144 ft (N-S) x 44 ft (E-W) noisy urban lot. I'm surrounded by (old) power lines and near a high power AMer (WFED, formerly WTOP) at 1500 kHz. The 160 and 80m inverted L's and 40m half-square run N-S from the back of the lot to the front.

I've played with EWE's and Pennants, both of which are rather mediocre. Generally speaking, the Inv-L's have been better, albeit noisier, receive antennas.

I've looked at K9AYs and now the KB7GF array, which seem to be quite similar. I'd like to think I can fit either in my backyard, but if I do, they will be very close to the TX antennas... *maybe* 20 feet from the verticals, and certainly underneath all the wires. Is one substantially better than the other?

A major criteria is that the horizontal sections (wires) have to be 10 feet above the ground... I don't want to behead anyone walking in the backyard!

Is this all a pipe dream?

Sagely advice is appreciated.

73,
Eric W3DQ
Washington, DC
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