[Lowfer] cores

[Eric Smith]

Hi, Ralph,

> > How can you tell anything about 'em when you rip 'em out of a
> > piece of
> > junk?  The few I've bought new were color coded for material type.
> 
> Most of the ones used for RF chokes - such as on the video cable or the
> AC power leads - will ne a #43 material.  The transformer may be a #2
> material or powdered iron...

Thanks for the details.

Can't remember who it was that said it before, but it's true:  you've done 
an exceptional job of documenting your work.

Thanks again,
Eric