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Re: [TowerTalk] F12 Delta 240 performance observation

To: towertalk@contesting.com, jj_2_woo@yahoo.com
Subject: Re: [TowerTalk] F12 Delta 240 performance observation
From: Steve London <n2icarrl@gmail.com>
Reply-to: n2ic@arrl.net
Date: Wed, 19 Sep 2012 07:56:36 -0600
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Jonathan,

Before you conclude that your D240 doesn't have much pattern, run some more tests on DX signals. From your QTH in Colorado, I would recommend listening around your sunrise for signals from Japan and the far east.

Are you still using the Bencher Skyhawk/D240 stack as shown in the photos on your qrz.com web page ? Does the Bencher Skyhawk insulate the parasitic elements from the boom ? If not, it is possible that the combined electrical length of the boom plus the uninsulated elements is close enough to a half wavelength on 40 meters to have significant interaction with the D240.

73,
Steve, N2IC
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