[CW] Patrolling the Ether in WW2 - Radio Intelligence for the War Effort

[D.J.J. Ring, Jr.]

The fascinating history of the two government organizations that monitored
WWII shortwave propaganda broadcasts and clandestine transmissions are
explored by radio historian Brian Harrison in this AWA YouTube Channel
video: https://youtu.be/8qwn--BTT8E

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