[ARC5] ARR-2 (ZBX) vs ARR-1/ZB/ZB-1/ZB-2/ZB-3

[Jack Antonio]

A picture of my AN/ARR-2. The receiver could be
installed together with AN/ARC-5 equipment, or could
be set up as a separate standalone system.

Found a reference in SHIPS 242A of 1945 (available on
Nicks website, navy-radio.com) that states that the ZBX
was redesignated AN/ARR-2.

I tend to believe that by 1945, the term ZB or ZBX just came
to used as a shorthand notation to describe any of the
sets for this system, regardless of the actual designation.

Jack Antonio
WA7DIA
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