[Milsurplus] Military - radio transmission

[J. Forster]

IMO, there was little reason to replace most mil gear between 1945 and the
mid 1960s, except for places where weight was a premium and subminiature
tubes could be used to advantage. The stuff was battle proven, already
paid for, and could be improved upon only marginally.

This especially applies to big transmitters where the change to
transistors and IC was really of minimal benefit until the 80s at least.

FWIW,
-John

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[snip]  TRIVIA:  Nice, I saw some Navy fixed
> transmitters, big and heavy, whose tuning dials had indents
> around the edge so that QSY was faster.  WWII stuff,
> in service 1952.
> 73  Clete