[TowerTalk] SteppIR Defaults

[Larry Comden]

Thanks to all who replied.

Yes, I've tried the calibration and always home the elements after use.

1. Will join and post the question on the SteppIR list

2. I think the EHS guys about 10' below the antenna are the problem. To be
replace by Phillystran this summer during a tower rebuild.

Thanks again & 73

Larry K3VX
----- Original Message ----- 
From: "Dennis Vernacchia" <n6ki73 at gmail.com>
To: "Larry Comden" <lcomden at comcast.net>
Cc: "TowerTalk" <towertalk at contesting.com>
Sent: Sunday, February 10, 2008 06:29 PM
Subject: Re: [TowerTalk] SteppIR Defaults


> Yes, the Homing/Calibration procedure highly recommended but you did not
> mention,
> are there any other antennas near the steppir, metal roof sheds etc etc ?
>
> Assuming U still have same problem after you do Homing/Calibration
procedure
> If you fully retract all but the driven element,  see what length works
for
> 20 mtr band
> That should give you a clue as to what may be going on....length should be
> close to
> what a 20 mtr wire horizontal dipole would use.
>
> 73, Dennis N6KI
> MonstIr SteppIR with NO SWR anomalies
>
> On Feb 10, 2008 6:19 AM, Larry Comden <lcomden at comcast.net> wrote:
>
> > TTers,
> >
> > I have a 2 ele SteppIP up 50'. The default element lengths require very
> > little adjustment on 17, 15, 12 and 10M. But on 20 and 6M they seem to
be
> > way off indicated by unacceptable SWR of over 3 to 1. Example: the
driven
> > element for had to lengthened about 12 inches from the default or more
than
> > 10% to get acceptable SWR in the recent ARRL VHF test. The director was
then
> > set 5% shorter than the new DE length.
> >
> > On 20 I've always had to use a tuner to get acceptable SWR
> >
> > Do not have any gain or F/B values to report.
> >
> > Has anyone else seen this? Suggestions welcome.
> >
> > TIA
> >
> > Larry K3VX
> > _______________________________________________
> >
> >
> >
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