Those sighted guys get so damned hung up about sundown, don't they Tom!!
Pat, K9JAUAt 08:08 AM 11/13/2011, you wrote:
>     Gerry:
>
>The 160 sloper has a loading coil, but we are finding that the SWR is coming
>down gradually as we shorten it.  I think they supplied 72 feet of wire for
>the radiating element of the antenna, and we already have shortened it about
>5 or 6 feet.
>
>SWR is now about 4 to 1 at the bottom of the band.
>
>Ran out of daylight yesterday evening, so will do more today, hopefully.
>
>73 from Tom Behler: KB8TYJ
>
>----- Original Message -----
>From: "Gerry Leary" <[log in to unmask]>
>To: <[log in to unmask]>
>Sent: Sunday, November 13, 2011 6:33 AM
>Subject: Re: Need helping making sense out of contradictory SWR readings
>
>
> > Tom, do either of the antennas have a loading coil or condensers?  If they
> > do there may be a short there.
> > ----- Original Message -----
> > From: "Tom Behler" <[log in to unmask]>
> > To: <[log in to unmask]>
> > Sent: Friday, November 11, 2011 6:28 PM
> > Subject: Need helping making sense out of contradictory SWR readings
> >
> >
> >> Hi, folks.
> >>
> >> Well, I have managed to get hold of an MFJ 259B antenna analyzer to help
> >> try
> >> to figure out what is going on with my 80 meter and 160 meter sloper
> >> antennas that we put up a few weeks ago.
> >>
> >> However, when taking some preliminary readings with the analyzer tonight,
> >> and comparing them against what my TW1 watt meter and the SWR meter on
> >> the
> >> TS590 say, I am getting very confusing results.
> >>
> >> Let me give a few examples:
> >>
> >> On 80 meters, my sloper has an SWR of about 5 to 1 on the top and bottom
> >> of
> >> 80 meters, with a dip of 1.0 to 1 around 3.887 mhz.  But, when we put the
> >> analyzer on the antenna, it shows the lowest SWR to be about 1.3 to 1 at
> >> 3.887 MHZ, but the SWR's skyrockets quickly on either side of that null
> >> to
> >> infinity on the lowest part of the band, and to over 8.1 to 1 on the top
> >> of
> >> the band.
> >>
> >> With my 160 meter sloper, my lowest SWR is about 5 to 1 at the very
> >> bottom
> >> of the band, according both to my TW1 and the TS590 SWR meter, but the
> >> needle on the analyzer doesn't even budge when tuning through the entire
> >> band, and stays up at some ungodly figure of an SWR of about 20 to 1.
> >>
> >> I just checked for a short  on my coax feed lines, and there does not
> >> appear
> >> to be any problem there.
> >>
> >> We are using fresh batteries in the analyzer which were just bought
> >> tonight.
> >>
> >> Are we perhaps not adjusting the analyzer correctly?
> >>
> >> I am sure that, to some, all of this seems very elementary, so please
> >> bare
> >> with me while I do some learning here.
> >>
> >> 73 from Tom Behler:  KB8TYJ
> >