[TowerTalk] F12 Delta 240 performance observation

[Pete Smith N4ZR]

I should also mention my experience with my shortened 40m yagi.  It was 
a dog, without much directivity, until I replaced my steel tower-top 
guys with Phillystran.  Wow, what a difference.

73, Pete N4ZR
The World Contest Station Database, at www.conteststations.com
The Reverse Beacon Network at http://reversebeacon.net, blog at reversebeacon.blogspot.com,
spots at telnet.reversebeacon.net, port 7000 and
arcluster.reversebeacon.net, port 7000

On 9/19/2012 9:56 AM, Steve London wrote:
> 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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