[Milsurplus] Need Info On TAV-4

[David Edsall]

I 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



----- Original Message ----- 
From: "Mike Morrow" <kk5f at earthlink.net>
To: <milsurplus at mailman.qth.net>
Sent: Wednesday, April 20, 2011 12:33 PM
Subject: Re: [Milsurplus] Need Info On TAV-4


> Don wrote:
>
>> http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=290558019274
>
> Well, that's one of the most interesting things I've *ever* seen!
>
> It does confirm that the January 1945 SHIPS 242A entry for the
> TAV is for unit with a transmitter *and* a receiver.
>
> It's also interesting that the 2000 to 4525 kHz frequency range
> is identical to that covered by the early models of the TBX-series
> from 1939 and later.
>
> That 300 to 600 kHz receiver coverage is also curious.  Don,
> can you tell by the tube lineup what type of receiver is used
> in the TAV-4 (TRF, regen)?
>
> This makes me think (a little) of the Army SCR-178/179 set, but
> primitive as those sets were, the TAV is older technology.
>
> Notice that the RT unit is "CAY-43002".  (I wonder what system
> got the nt-43001 designation.)
>
> The set serial number is 9.  Don's set is likely unique today.
>
> Mike / KK5F