[Milsurplus] Re: Milsurplus digest, Vol 1 #551 - 12 msgs

Fri, 23 May 2003 17:25:22 EDT

Mike & Group,

The Set nomenclature (SCR-nnn or AN/xxx-nn) was supposedly set when the 
military specifications were promulgated (when the RFQ's went out).  The 
nomenclature of the individual components (if they were new) were set nearer to actual 
production.  Development work on AN/VRC-12 apparently started about the time 
the RT-66/7/8's first started appearing (or maybe actually earlier, as those 
radios were used in sets up through AN/VRC-18), as a one-unit replacement.  Units 
actually fielded all had nomenclature in the AN/VRC-4n range.  I haven't done 
an exhaustive search of the boxes of manuals that I have but I don't think 
any vehicle ever had an AN/VRC-12 installed in it.  But RT-246 is definitely an 
anomaly.

In a message dated 5/23/2003 3:54:43 PM Central Daylight Time, 
[email protected] writes: 
Even that's not foolproof, though.  For example, the RT-246/VRC came out =
in the 1960-era, when other JAN RT- units were receiving numbers in the =
500 range (like the similar RT-524/VRC).  Most RT- numbers in the 200 =
range had been assigned about ten years earlier.  Also, it was assigned =
to the system AN/VRC-12 (among others), even though systems AN/VRC-13 =
though -22 had been assigned to completely different (and much earlier) =
gear by 1949.  Nothing like making a logical system inconsistent!

Robert Downs
Houston
<[email protected]>

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