[Milsurplus] tuning unit question for bc-375

[William Donzelli]

> There would be no use for tuning unit for broadcast band and
> the receiver (BC-348) did not cover those frequencies. Also
> the BC-312/BC-342 used with the BC-191 also did not
> cover the broadcast band.

The original version of this set - the BC-AA-191, was not mated to a 
BC-348. Times were different back then in the Air Corps, and some of the 
leftover 1920s sets still in use did cover the broadcast band.

TU-AA-1s and TU-AA-2s are probably out there, but no one has ever seen any.

William Donzelli
aw288@osfn.org