[TowerTalk] GR 1606-A

[K4SB]

Jim Brown wrote:

> I mean that the connection is electrically intermittent as the unknown
> reactance dial is turned, with the detector level switching by 20 dB or
> more.

Jim, this is fairly common on old variables, especially if not in
almost constant use.
The noise and intermitent is in all liklihood coming from the joints
on the capcitor shaft.

Try a "pressure contact cleaner" to the shaft and see what you get.

73
Ed