[TowerTalk] Ham IV question

john.brewer@us.schneider-electric.com john.brewer at us.schneider-electric.com
Mon Nov 28 15:34:41 EST 2005

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

Thanks everyone,
John K5MO

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