[TowerTalk] anwser to your Ham IV question

[Kevin Adam N9IWW]

the answer to question yes it can come lose mine did at its solder joint on the wiper 
arm shaft just had the same problem you had i just aligned it up then resoldered it.

N9IWW


On 1 Dec 2005 at 17:33, Jim Miller wrote:

> I understand that you are saying it did not slip but simply turns
> farther that expected.
> 
> My first take on this: I would think a portion of the pot in the rotor
> may be shorted and that particular section not registering as it turns
> through it.  Also, can the wiper on the pot come loose somehow?  That
> could probably be detected by watching the meter during a continuous
> turn through the "problem" area in which the meter on the control box
> would not move even though the antenna was still turning (have someone
> watch the antenna at the same time).  It would also give you an idea
> of where on the pot the problem was.
> 
> Just my two cents, and that's not worth much anymore.
> 
> 73, Jim
> 
> -- Original Message ----- 
> From: <john.brewer at us.schneider-electric.com>
> To: <towertalk at contesting.com>
> Sent: Monday, November 28, 2005 2:34 PM
> Subject: [TowerTalk] Ham IV question
> 
> 
> > How accurate should the control box indication be on a  Ham IV. 
> > I've
> noticed recently that
> > what should be a 90 degree turn when viewed on the meter of the
> > control
> box, appears to be
> > about 125 deg on the tower.
> >
> > As I recall, all that's in the rotor is an exposed potentiometer
> > .... and
> I can't figure out
> > how that could cause what I see. Anyone else notice a similar thing?
> > How
> linear are these
> > indicators?
> >
> > Thanks everyone,
> > John K5MO
> >
> > _______________________________________________
> >
> > 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
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> 
> _______________________________________________
> 
> 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
> TowerTalk at contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
> 
> 
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