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Yagi tuning and MFJ meter

To: <towertalk@contesting.com>
Subject: Yagi tuning and MFJ meter
From: K7LXC@aol.com (K7LXC@aol.com)
Date: Thu, 25 Jul 1996 13:08:13 -0400
In a message dated 96-07-25 00:42:56 EDT, you write:

>I have the biggest HF MFJ antenna meter referenced in this thread.  In a
>very high RF environment, it will give screwy results (big surprize!).
>Our university club is about 500 feet from the campus radio FM xmitter and
>antenna.  Virually no reading on MFJ is reliable in this setting as found
>by direct experience.  So, maybe some other RF is getting to the others
>cited on this thread but in these other cases perhaps on only one freq. or
>another?  BTW, I really like the MFJ meter out here in the boondocks.

    I think that the MFJ-269 Antenna Analyzer is a nifty tool but I've run
into the same problems with RF getting into it.  My fix was to have a stack
of toroids on both ends of the feedline.  It leaves the shield cold and seems
to minimize nearby RF problems.

73,  Steve  K7LXC



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