This would be natural if energy from AM broadcast stations is enough to
partially mask the minimum SWR point. I am over 100 km from nearest AM
transmitter but the MFJ is pinned on any 160m dipole I've ever had here.
I'd suggest you measure the antenna with real watts and SWR meter.
----- Original Message -----
From: "Tom Osborne" <firstname.lastname@example.org>
To: "Towertalk" <email@example.com>
Sent: Monday, August 15, 2005 01:56
Subject: Re: [TowerTalk] 160 inverte L
> Hi Tom
> The resistance reading of 40 ohms was at the low point of the SWR reading.
> There is a definate dip in the SWR, but it is up almost at 3:1.
> Tom W7WHY
> > Tom,
> > First... I disagree with the wording on that meter. That
> > meter is labeled resistance, but it is really only
> > resistance under certain specific conditions. Outside of
> > those very specific conditions, where SWR meter reading is
> > moderately low and you tune to the point where SWR reading
> > crosses a very clear minimum, that meter isn't telling you
> > resistance at all! You may not have 40 ohms of anything,
> > unless it is at a clear SWR minimum point.
> See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless
Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any
questions and ask for Sherman, W2FLA.
> TowerTalk mailing list
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather
Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions
and ask for Sherman, W2FLA.
TowerTalk mailing list