[TowerTalk] SEPARATION ISSUE

James C. Hall, MD nwtcc at earthlink.net
Fri Feb 23 20:26:42 EST 2007


Semper Fi, Tommy, 

My son is presently at Parris Island ...

The separation I have is 5 feet - I have F12 beams as follows: 4BA @85', 706
@ 80', and MAG 240/620 @ 75'. All work extremely well on all bands. I did
notice a slight change in resonance with 15M, but that is all.

73, Jamie
WB4YDL

-----Original Message-----
From: towertalk-bounces at contesting.com
[mailto:towertalk-bounces at contesting.com] On Behalf Of TOMMY HALIBURTON
Sent: Friday, February 23, 2007 7:16 PM
To: towertalk
Cc: K6YE
Subject: [TowerTalk] SEPARATION ISSUE

To All:

I currently have a Force-12 C4XLD yagi (covers 40 through 10 meters) on a
54-foot crank-up tower. I desire to add a 5 or 6-L six-meter yagi and place
it above the Force-12. What is the absolute minimum separation between the
two must I have for near zero mutual effect? Any assistance will be greatly
appreciated.

Semper Fi,

Tommy - K6YE
DX IS

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