[ARC5] [Milsurplus] ARC5/SCR-274N question - L-52 - Correction

[Ian Wilson]

This T-20/BC-457 antenna inductor has 33 turns, 3" long, 2" dia.
My solenoid calculator says 28uH which agrees exactly with what I measure.

73, ian K3IMW

On Wed, Mar 13, 2013 at 12:17 PM, Kenneth G. Gordon <
kgordon2006 at frontier.com> wrote:

> On 13 Mar 2013 at 11:47, john rose wrote:
>
> > The Air Force "Spare Parts List Radio Set SCR-274-n" offers precious
> > little more; BC-696  42 turns of #18 tinned copper wire on a ceramic
> > form; BC-457  tinned copper wire coil on ceramic form; BC-458 and
> > BC-459  14 turns of tinned copper wire coil wound on a ceramic form;
> > Parts numbers match ARC-5 numbers.
>
> Since we know the diameters and lengths, or can find those out, we should
> be able to measure or calculate the inductances.
>
> Ken W7EKB
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