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

Jim Brown jim at audiosystemsgroup.com
Fri Jul 29 15:18:22 EDT 2016


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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