Topband: Wire antennas and antenna analyzers

john battin jbattin at
Thu Sep 28 14:23:38 EDT 2006

----- Original Message ----- 
From: "Tom Rauch" <w8ji at>
To: "Björn Mohr" <bm at>; "'Topband 160'" <Topband at>
Sent: Thursday, September 28, 2006 10:32 AM
Subject: Re: Topband: Wire antennas and antenna analyzers

> The consensus seems to be that there is no need to worry
> about static build
> up when using the analyzer on large antennas. >>
> Having been involved in the design of antenna analyzers I
> strongly disagree.

I agree with Tom  When I was working on my vertical array, I had my my HP 
network analyzer attached to an antenna, a few non-threatening clouds came 
up, I heard a little snap, felt a little shock, and presto the analyzer was 
blown to the tune of a  a $3000 trip to HP.  Now I always have a 1 or 2k 
resistor from the antenna to ground to bleed off static build-up, and when 
clouds appear, I quit.
John K9DX
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