[NJARC] Green donut?

[Ray Chase]

Only on some radios. Think you are talking about the RF tuning coil in 
TRF 3 dialers.  They along with the tuning caps make up the tuned 
circuit.  Probably regular solid soft copper wire.
Ray

StephenTetorka at cs.com wrote:

> Visit our web site - See http://www.njarc.org
> _______________________________________________
> Hi all:
> 
> Thanks for the help on the 227/27 tube.
> 
> Next question:
> 
> What is the purpose of the round green covered wire coil - about 4 inches in diameter -  that are under the tube sockets in the vintage radios?
> 
> What kind of wire used?...specs? etc.
> 
> Tnx,
> Steve Tetorka
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