[GreenKeys] More Transceiver stuff...

[Don Robert House]

Then there was Lenkurt who built a lot of telegraph carrier systems  
for independent telcos and the HOLIDEX Reservation System.

Don K9TTY


On 26 Nov 2008, at 5:23 PM, wa2hwj at att.net wrote:

Telesignal made a lot of landline telegraph mux equipment. Those cards
were probably from a frequency division multiplex system.
I've got a rack full of Frederick Electronics FDM cards that do the same
thing. AP and UPI used to use these systems as well as the military.

Jack K0TTY


-------------- Original message from Randy or Sherry Guttery <comcents at bellsouth.net 
 >: --------------


 > Since we're talking about old military RTTY stuff...
 >
 > When I was on Guam the last time (1973-1975) I picked up several
 > transceiver units in one of the equipment lots I bought. The only  
thing
 > I remember was that they frames into which slid various modules. I  
kept
 > a logbook of the equipment that we bought and sold during those  
times -
 > and the entry is: Tone Transceivers, Telesignal, model numbers 101,  
102
 > and 107-B. It's noted there were 19 units, total weight 50 pounds  
(which
 > means they cost us $10.00 - since it was .10 pound for pieces/parts  
and
 > .20 pound for complete units). The only other note was that since I
 > hadn't found any use for them - they were scrapped in Aug. 1975  
since we
 > had to get rid of quite a bit of "stuff" so we weren't over our  
weight
 > limit coming back to conus. Anyone have any idea what these are/were?
 > Could have been Navy or Air Force - since that disposal office  
handled
 > stuff from both.
 >
 > That also brings back another memory - They were starting to replace
 > some of the oldest TMC gear - and a complete FRR-60 & FRT-40s  
showed up
 > a few weeks before I left. Of course at well over a ton - no way to
 > bring them back. There had been parts of them through before (We  
had a
 > TIS-3 TTY to AFSK modulator for years)... but you couldn't help but
 > smack your lips at the sight of one of those 40KW beasts and matching
 > twin diversity receiver- Complete!
 >
 >
 > best regards...
 > --
 > randy guttery
 >
 > A Tender Tale - a page dedicated to those Ships and Crews
 > so vital to the United States Silent Service:
 > http://tendertale.com
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