[TowerTalk] Re: [CQ-Contest] SteppIR 4 Element Yagi - Analysisand Thoughts

Grillo's ah3c at frii.com
Tue Apr 13 19:35:31 EDT 2004


I'm embarrased to admit I made a wrong assumption here....good thing is that
it didn't cost me anything.....let's drop this topic.

----- Original Message ----- 
From: "Arne Gjerning" <gjerning at flash.net>
To: "Grillo's" <ah3c at frii.com>; "Towertalk Reflector"
<towertalk at contesting.com>; <cq-contest at contesting.com>; "Dan Levin"
<djl at andlev.com>
Sent: Tuesday, April 13, 2004 5:50 AM
Subject: Re: [TowerTalk] Re: [CQ-Contest] SteppIR 4 Element Yagi -
Analysisand Thoughts


> I do not think the physical element gets any shorter on 6M than on 20M.
> Only the tape inside the tubing is shortened for the different bands.
Wind
> loading would stay the same regardless of band.  This from memory of
seeing
> one at Visalia several years ago that was opened for inspection of the
> motor/and tape mechanism.  Please correct me if wrong.
>
> 73 de Arne N7KA
>
>
> > Nice analysis, Dan.
> >
> > Another feature to think about:  Wind load can be reduced during high
wind
> > conditions by switching to 6 meters.  Does anyone know of an anemometer
> with
> > an adjustable alarm setpoint for relay switching at a preset wind speed?
> >
> > Pete -
> > W0RTT
> >
> >
>
>
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