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Single wire antenna has stray voltage- solved
#6

Terry,
i thought about nulling signals like if im on talk radio 960 on the philco and i tune to 960 in the garage on the hallicrafters,, if they both are on there would be a problem.  Only one radio will ever be on at one time. I did test with both radios on by doing a random AM station on the philco and a different AM station on the S-38, no issues.

what i dont understand is what was that voltage?

also right now without jumpers from G and A2 on both radios, i dont have an issue so both are tied to the antenna.

i just wondered where this voltage was coming from,, like the filter caps or something?  i dont see how on both diagrams for the hallicrafters or the Philco a path for current flow through the anenna components and parts.

I need to see if the philco does the same thing if i put a jumper on antenna screw 2 and 3 and leave the random wire on #1.





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