[Milsurplus] Need Info On TAV-4

[WA5CAB at cs.com]

David,

The five-digit Navy Type Number system dates to WW-I.  I think that the 
CN-3311 and 3313 are maybe Westinghouse numbers.  They aren't Navy Type 
Numbers.  The two (later three then four) letter Contractor Code also dates to 
WW-I.  If the "CN" was actually a Contractor Code, it would mean National 
Electric Machine Shops and National Electric Supply, not Westinghouse, which is 
CAY.

The TAV-1 contract was let in 1929 (as were the TAV and TAV-a).

In a message dated 4/20/2011 11:56:20 AM Central Daylight Time, 
dedsall at myfairpoint.net writes: 
> found a note, source unknown, as follows:
> 
> TAV-1 Radio transmitting-[receiving] eqpt ...; incl. CN-3311 radio xmtr; 
> CN-3313 radio rcvr ...
> 
> This must predate the one on eBay.
> When was the CN- nomenclature used and discontinued?
> 73, David W1TDD
> 

Robert & Susan Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480