--- In email@example.com
, "R. R. Robson" <rrrobson@...> wrote:
> --- In firstname.lastname@example.org, "leon Heller" <leon355@> wrote:
> > ----- Original Message -----
> > From: "hparkie" <h_park@>
> > To: <email@example.com>
> > Sent: Friday, November 28, 2008 6:35 PM
> > Subject: [softrock40] Toroid sizes
> > > Hi I am building PA Filter board for the softerock 6.3 80/40
> > > are 2 different sizes of the red toroids can anyone tell me which
> > > which they T30 and T37 which is the smallest. thanks Hughie G4UME
> The following is very helpful:\
Can I recommend the mini Ring Core Calculator, free download at
if you haven't
already seen it.
This will answer all your toroid questions including dimensions.