[Milsurplus] ID this antenna matching unit?

[Ian Wilson]

Tom Adams, are you there please?

73, ian K3IMW

On Sun, Nov 11, 2012 at 6:43 PM, Ian Wilson <ianmwilson73 at gmail.com> wrote:

> This is approximately a 1-foot cube. Antenna and transmitter
> connections are on (almost) hemispherical ceramic standoffs.
>
> Frequency range is up to about 400kc (I forget the lower range
> but I am guessing 200kc - 400kc+).
>
> Legend says "Use 200 foot trailing wire antenna". No nomenclature
> plate. Another legend says something about tuning for plate
> current. Large meter (RF ammeter??) is missing from panel.
>
> Internally has a large (8" tall) inductor with numerous taps, and
> a gorgeous variometer variable coupling device (also large).
>
> It may still be possible to rescue this unit (I didn't adopt it because
> I am seriously running out of space, and the meter is missing).
> Not mine - no financial interest on my part.
>
> 73, ian K3IMW
>
>