[1000mp] 40 Meter unique

[morris wideman]

Just a thought .. if you are having problems only on 40 mtrs then its related to the ant/feedline only. If your rec drop shows up on other ants even though only 40mtrs then thats in the rcvr. I don`t think the ant tuner is used on rec side even in MV.
WA4MIT Morris


----- Original Message -----
From: W70m at aol.com
To: 1000mp at mailman.qth.net
Subject: [1000mp] 40 Meter unique 
Date: Sat, 13 Aug 2005 12:29:04 EDT

> 
> Thanks to many who replied.  I am slowly working my way  through the problem.
>   An interim status report:
> 
> 1.  The 40 meter high VSWR has been confirmed not to be a  non-40 meter
> signal causing the high reading.  It seems that the antenna  and/or 
> feed to it, has
> a thermal problem.  In the cool morning the antenna  operates normally.  In
> the heat of the afternoon and early evening the VSWR  goes high.  [Cushcraft 2
> element 40 at 70 feet] with coax feedline  switch.  Have not been up tower to
> check for the obvious.
> 
> 2.  The signal dropping in 40 meter receive by 20db or more  seems to be more
> elusive. Seems like a relay but main relays would affect more  than 40.  More
> work to do.
> 
> Thanks again for all the help.
> 
> 73
> 
> Rod W7OM
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