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Re: [TowerTalk] Strong FM Station Impact on Antenna Analyzer Use in VHF

To: towertalk@contesting.com
Subject: Re: [TowerTalk] Strong FM Station Impact on Antenna Analyzer Use in VHF
From: Jim Brown <jim@audiosystemsgroup.com>
Reply-to: jim@audiosystemsgroup.com
Date: Fri, 29 Jul 2016 12:18:22 -0700
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
On Fri,7/29/2016 11:24 AM, TexasRF--- via TowerTalk wrote:
Perhaps measuring the vswr while rotating would work better. There will
directions with lobes and others with nulls. If the instrument reading is
steady  then you could assume the extra rf from the broadcast station is not an
issue.  Maybe?

I think you've got it right, Gerald. Exception would be the extent to which the Yagi's feedpoint Z might be perturbed by surrounding objects, so we'd want to keep it as much in the clear as practical.

73, Jim

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