Try SPECTROL potentiometers. Their 522 Series is 3 turn +/- 5% resistance
no linearity given 1.5W OR their 830 Series is 3 turn +/-5% but +/-
0.25% independent linearity. This info from Newark Catalog # 114 top of
page 284. Expect of pay over $20.00 for one of these.
73 de Arne N7KA
----- Original Message -----
Sent: Thursday, August 15, 2002 7:13 AM
Subject: [Towertalk] HDR300 potentiometer
> Anybody ever come up with a replacement for one of these?
> Looks like the spot welds (?) between the contacts
> and the resistive wire element have become intermittant.
> Manual say 3 turn pot but no value listed. Pot says 1K but
> seems seems more like a 10 turn pot to me. No replacements
> listed on Hy-Gain page.
> I do have 10 turn 10K in my junk box. Can the resistor divider
> network they use to feed the A/D in the control head be altered
> to work with a 10K device?
> Maybe it's just cheaper to buy a video camera and point it at the
> rotor. :>)
> dink, n7wa
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