Re: Help w/ Chokes

> >RWS has had good luck with 120mH of air core inductors (until this
> >weekend)
> That's 140 mH, and yes, I've had very good results with these so far
> in limited testing.  My faultless record (absolutely no dry transformer losses)
> is with the air core units in the 240-320mH range.

O.K.... Is there a handy formula to help me wind the chokes to arrive at the 
240-320mH range? I've just wound wire on a tube in the past and would like to 
take a more educated approach this time. Thanks...   ...Jeff