[Boatanchors] RE: HT40

[Dave Maples]

>My hallicrafters HT 40 has cathode keying and even
>with the key plugged in and OPEN there is an oscilator
>signal present and strongly emitted which interferes
>with receiving a CW signal.

If the .005 cap was shorted, you'd have a 47K resistance to ground.  That
seems awfully high for a cathode-keyed circuit to be doing anything.

What are the voltages on the 6CX8?  Does the cathode voltage look like it's
close to ground?  What are the resistance checks like?

Dave WB4FUR