[Milsurplus] Heterodyne Frequency Meters

[Gene Smar]

I did some research on the AN/ nomenclature system, established in Nov 1942,
for a PPT presentation on squad radios.  Somewhere on the Intergoogle I
found a reference table that stated the first of three letters in the AN/
system designated the location where an equipment would be mounted during
operation, e.g., A = Airborne, G = Ground, general, M = Ground, mobile.  The
second letter designated the technology, e.g., A = invisible light or heat
radiation, B = carrier pigeon (!), P = RADAR.  The third letter designated
the purpose for the equipment, e.g., C = communication, M = maintenance and
test assembly, X = identification and recognition.

 

FWIW.

 

 

73 de

Gene Smar  AD3F

 

From: milsurplus-bounces at mailman.qth.net
[mailto:milsurplus-bounces at mailman.qth.net] On Behalf Of Hubert Miller
Sent: Thursday, April 22, 2021 1:49 PM
To: milsurplus at mailman.qth.net
Subject: Re: [Milsurplus] Heterodyne Frequency Meters

 

The second letter is purpose defined in the AN/ nomenclature system,

but not in the older Navy 2 and 3 letter system.  For example, MN and MO.

The second letter tells you nothing, except perhaps its age in the series. 

Sometimes not.

-Hue Miller 

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