US Navy RTTY Equipment
1950's-60's vintage

RTTY is also called RATT (Radio Teletype)
FSK also called CFS (carrier frequency shift)

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  • Navy RTTY Receiving Converter page
  • Navy RTTY Transmitting Keyer page
  • Navy RTTY Terminal Unit page
  • Navy RTTY Control & Patch Panel Page
  • Navy RTTY Multiplexer Page
  • Navy RTTY Misc. Equipment Page
  • Navy Facsimile Equipment Page
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• Please send me e-mail if you have more info or links for me to add
  thanks, Nick KD4CPL

NOTE: This page is mainly for RTTY converters, keyers, patch panels, etc.
Go to Navy Teletype Page for actual TTY equipment

DEMODULATORS - FSK & AFSK RECEIVING CONVERTERS - photos and info

• FRA, FRC, FRE, FRF, FRH - FSK converters
• AN/FRA-4 - 50 kc FSK input
• CV-57/URR (AN/URA-6) - 455 kc FSK input
• CV-60/URR  (AN/URA-8) - AFSK input
• CV-71/URR  (AN/URA-7) - 50 kc FSK input
• CV-89A/URA-8A (AN/URA-8A) - AFSK input
• CV-127/FRR-24 (AN/FRR-24) - 50 kc FSK input
• CV-227/URR (AN/URA-12) - 200 kc FSK input
• CV-483/URA-17 (AN/URA-17) - AFSK input
• CV-763/URR (TMC model CFA-1) - AFSK input

KEYERS - FSK & AFSK TRANSMITTING CONVERTERS - photos and info

• FSA, FSB, FSC - FSK keyers

• KY-58/GRT & KY-75/SRT - FSK keyer

• TH-39/UGT & TH-39A/UGT  (TMC TIS-2 & TIS-3) - AFSK keyer

TERMINAL UNITS - COMBINED DEMODULATOR + KEYER - photos and info

• AN/SGC-1 & AN/SGC-1A - AFSK TU
• CV-2460/SGC - AFSK TU

TTY MULTIPLEX SYSTEMS - photos and info

• AN/FGC-5 - time-division multiplex
• AN/UGC-1 - time-division multiplex
• AN/UGC-3 - time-division multiplex
• AN/FCC-3 - frequency-division multiplex
• AN/FCC-7 - frequency-division multiplex
• AN-FCC-8 - frequency-division multiplex
• AN/UCC-1 - frequency-division multiplex

CONTROL & PATCH PANELS - photos and info

• C-1004/SG - TTY control box
• TSEC/KWX-7 - crypto control box
• TT-23/SG - patch panel
• SB-1203/UG - patch panel
• SB-1210/UGQ - patch panel
• SB-2244/UG  - patch panel
• SB-3576/UG - patch panel

MISC RTTY EQUIPMENT - photos & info

• TT-63A/FGC - regenerative repeater
• OCT-2, OCT-3 - frequency shift monitor

TELETYPE EQUIPMENT - photos & info

• Many models listed

FACSIMILE EQUIPMENT - photos & info

• FRB - receiving converter
• CV-97/UX - receiving converter
• CV-172A/U - receiving converter
• MD-168/UX  - transmitting keyer
• KY-44A/FX - transmitting keyer
• RD-92/UX - fax recorder
• AN/UXH-2 - fax recorder
• TT-41/TXC-1B - fax scanner & recorder
• TT-66/TXC- fax scanner & recorder

Northern Radio RTTY demods, FSK converters, etc.

List of 61 military surplus RTTY units

Includes brief descriptions.
See CQ magazine September 1972, page 83 (avail at http://hamcall.net/cq)

Greenkeys

This is a great email list for TTY and RTTY information
http://mailman.qth.net/mailman/listinfo/greenkeys
Check out the greenkeys archives

Navy RTTY Links - more interesting info and photos

• Royal Canadian Navy radio communications - Jerry Proc's great web site
• RATT at sea in the Royal Navy (includes some USN gear)
• USS The Sullivans Radio Room
• USS Missouri Radio Room restoration
• Guam COMMSTA photos - thanks to Rodney Rood

More RTTY links

• Baudot.net
• RTTY.com
• Western Historic Radio Museum RTTY page

Communication equipment manuals and descriptions

• Robert Downs WA5CAB manuals (and tnx for info on various units)
• Manual for CV-116/URR FSK converter
• Manual for TMC SFO, SFO-1, SFO-2 teletype regenerator
• 1953 Directory of military communication equipment

TTY manuals

• Bitsavers TTY online manuals
• K4OZY TTY online manuals
• Kretzman TTY online manuals and schematics
• Hertzmail.com - online manuals from Jim Haynes
• W7FG printed TTY manuals for sale

• Back to Main Vintage Navy Radio Page
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• Last updated 03/07/2008
• Please send me e-mail if you have more info or links for me to add
  thanks, Nick KD4CPL