[Mobile-Portable] Screwdriver antenna controller

Jim Miller JimMiller at STL-OnLine.Net
Sun Dec 4 10:40:40 EST 2005


Yes, I have the 706 MKIIG with the low power tune module installed.  That is
what I am leaning towards is the automatic one that runs from the tune
button.  I am concerned about the "noise" that is generated by the motor
brushes causing a problem with the sensing.

73, Jim

----- Original Message ----- 
From: "DavidE Benedict" <iam at pmug.org>
To: <mobile-portable at mailman.qth.net>
Cc: <mobile-portable at mailman.qth.net>; <JimMiller at stl-online.net>
Sent: Sunday, December 04, 2005 2:29 AM
Subject: Re: [Mobile-Portable] Screwdriver antenna controller


> mobile-portable at mailman.qth.net writes:
> >I have a Hi Q 4-80 screwdriver mounted on the bumper with a 102 inch whip
> >above it (for 6 and 10M I use a 6 ft whip but am normally on 40 and 80).
> >I have had it for about 4 years and mounted it shortly after I got it but
> >didn't pay enough attention to the grounding and it worked great, then
> >poorly, then great again, whenever the grounding decided to make
> >connection.  I took it off after the trio and only put it back on a few
> >months ago, this time with proper attention to grounding.  WOW, love it.
> >I continually get UNSOLICITED great signal reports.  Fantastic.
> >
> >Anyway ....... tuning from 40 to 80 takes a bit and is somewhat of a
> >pain, so :
> >
> >What is being used for antenna controllers at this time.  I made a switch
> >box which works great but it is a bit dangerous watching the coil in the
> >mirror at 70 mph.  Seems like there was a controller that stored "counts"
> >of the positioning sensor that could be returned to by selecting a
> >position on a rotary switch and pressing the button.  What was the name
> >of it, probably the least expensive.  I would think there are other
> >controllers available too that are more "automatic".
> >
> >TIA, de Jim KG0KP
> >----
> >Your Moderator: Dick Flanagan K7VC, mobile-portable-owner at mailman.qth.net
>
> There is a new one which tunes by sensing SWR. That's the way to go. It
> would be perfect with my ICOM 706 which has a tune mode.
>
> I guess your rig doesn't have a low power tune mode like the ICOM 706 and
> the yaesu copycat????
>
> David B.
> W7DBH
> Oregon
>



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