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RE: [TCML] Source for 1H air-core inductors



 
> > Didn't someone measure the inductance of a standard
> 500ft spool of AWG12
> > THHN?  500 ft/1 ft turn (average) = 500 turns
> works out to about 26 mH..
Two 500 ft spools of 14 gauge in series for highest mutual induction yields ~ 2.3 ohms @ 23 mh.
HDN
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