[Milsurplus] T-44-B Microphone? OBG-1?

[Mike Morrow]

Don wrote:

> ...(that's Pittsburghese--widely spoken in the new home of the Stanley Cup)

It's wonderful that the great bluegrass and old-time music greats Carter and Ralph Stanley are so appreciated there.  :-)

> where was the OBG-1 Sonar Echo Ranging Equipment used? This thing says
> Type CFF-43058 Driver-Receiver with a contract date of 8-44. Made by
> Freed. The power was apparently supplied by internal batteries!

It's *not* OBG-1...it's QBG-1.  It is echo ranging equipment for landing craft.  There's some mention of the QBG here;

  http://maritime.org/doc/sonar/chap4.htm

Mike / KK5F