[GreenKeys] Speaking of Military Teletypes (Teletypewriter Reperforator T...

[WA5CAB at cs.com]

Right.  The nomenclature suffix was usually assigned based on the equipment 
or system that it was first procurred for.  There were no restrictions 
other than practical against utilizing equipment in other circumstances.  For 
example AN.ART-13 was used in a Vehicular (actually Mobile) system .AN/PRC-47 
was used in a Fixed system.  And both AN/ARC-3 and AN/ARC-27 were used in 
either Ground or Fixed installations.  Lots of other examples.

In a message dated 12/04/2017 20:05:38 PM Central Standard Time, 
nnn7dxb at aol.com writes: 
> Paul: 
> 
> 
> To clarify the "F" part of the equipments JAN nomenclature description.
>  
> 
> F simply means that the equipment was classified for use in Fixed 
> Stations,
>  specifically, in the case of teletypewriters, military Communications 
> Centers
>  or CommCenters.
>  
> 
> But, just because it was classified as "fixed station" equipment did not 
> always
>  mean that it was used that way exclusively.
>  
> 
> Many pieces of fixed station equipment in the US Army ended up in tactical
>  and transportable vans or vehicular assemblages. Likewise, many times, a
>  piece, or several pieces of "fixed station" equipment wound up in 
> tactical
>  units that did not move very often. Such units were more of less "fixed 
> tactical",
>  or tactical units performing a fixed station function either in a hardend 
> shelter,
>  building or transportable communications van.
>  
> 
> Case in point, AN/TGC-5 tape relay equipment was used by the 7th Special
>  Forces Group to operate a Theater Level Major Tape Relay which was a 
> semi-fixed 
>  facility (UUMS). The unit was "tactical", but the equipment and facility 
> were "fixed" 
>  (did not move). This equipment was not easily deployable, nor was it 
> easily
>  disassembled or reassembled once set up.
>  
> 
> 14th Armored Cavalry Regiment in Germany operated AN/FGC-25X teletype
>  gear. Tactical Armored unit (all M-60) tanks), but HQ (HHC) station 
> operated a fixed CommCenter
>  that did not move. For tactical use, they had AN/MSC-29 CommCenter vans 
> which
>  used TT-4 and TT-76s and AN/GRC-26Ds (TT-98s and TT-76s) (1960s).
>  
> 
> Dave
>  
> 
> # # #
> 
> -----Original Message-----
> From: WA5CAB--- via GreenKeys <greenkeys at mailman.qth.net>
> To: pbirkel <pbirkel at gmail.com>; greenkeys <greenkeys at mailman.qth.net>
> Sent: Mon, Nov 27, 2017 10:24 pm
> Subject: Re: [GreenKeys] Speaking of Military Teletypes (Teletypewriter 
> Reperforator T...
> 
> Paul,
> 
> To take your last question first, no.  Field Grade is, if I recall 
> correctly, Major through Colonel.  It has nothing to do with equipment.  F means 
> "Fixed" and "G" means Telegraph or Teletype.  See "AN Nomenclature System", 
> "JAN" or "Joint Army Navy" or similar.  Although I think it has been 
> abandoned for the most part, it applies to electronic and some electrical 
> equipment including most mechanical parts thereof, and dates from late 1942 or 
> early 1943.
> 
> I think the QTH.Net server will strip it off but in the direct, see the 
> attached PDF from 1959.  I have a later one but don't have time right now to 
> convert it to PDF.
> 
> I suspect that maintenance on the TT-107 et al is covered in some manual 
> on some AN/TGC-xxx set which I don't have time right now to try to track 
> down.  The two parts manuals are the only entries that I see under TM 
> 11-5815-257-nn.  If I turn up anything else, I'll post it.
> 
> In a message dated 11/27/2017 02:09:12 AM Central Standard Time, 
> pbirkel at gmail.com writes: 
> >> This one is actually a Kleinschmidt, but I’ve had no luck finding any 
>> online documentation.  The closest that I’ve been able to find are 
>> references to parts lists:
>> 
>> TM 11-5815-257-20P   Organizational Maintenance Repair Parts and Special 
>> Tool Lists: Reperforator, Teletypewriters TT-107/FG, TT-107B/FG, 
>> TT-109/FG, TT-345/FG, TT-345A/FG, TT-346/FG, and TT-364A/FG
>> 
>> TM 11-5815-257-35P   Field and Depot Maintenance Repair Parts and Special 
>> Tool Lists: Reperforator, Teletypewriters TT-107/FG, TT-107B/FG, 
>> TT-109/FG, TT-345/FG, TT-345A/FG, TT-346/FG, and TT-364A/FG
>> 
>> Judging by Duncan’s comments regarding the TT-4A I suspect that neither 
>> of these two documents (if found) would be much help.
>> 
>> Is anyone familiar with this reperforator?  Know of any documentation for 
>> it?
>> 
>> Also, the repeated use of “FG” in the designations means what?  “Field 
>> Grade” :->?  Would there be a (e.g.) different housing for “office grade”?
>> 
>> 
>> 
>> Thanks!
>> 
>> -----
>> 
>> paul
>> 
>> 
>> 
>> 
>> 
> 
> Robert Downs - Houston
> wa5cab dot com (Web Store)
> MVPA 9480
>  
> 
> 
> 

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