US Navy Transmitters - 1950's & 1960's
- this page still under construction

Be patient and check back often - this project is just getting started!

WWII transmitters - I will add a page for them some day
- also need to move LF/VLF & VHF/UHF gear to separate pages

SHORE STATION TRANSMITTERS (FIXED & UTILITY)
AN/FRT-3 frt3-01.jpg (24412 bytes) 1400 kw VLF 14.5-35kc
RTTY & CW
manuf by RCA 		 
AN/FRT-4 frt4-01.JPG (54722 bytes) 55 kw LF 50-150 kc
similar to TCG-2 except air-cooled 		spec sheet

NAVSHIPS 91169
AN/FRT-5
AN/FRT-5A
AN/FRT-5B		 frt5-01.JPG (96338 bytes) 15 kw HF 4-26 mc CW/FSK
manuf by Collins

additional photo

spec sheet

more info here

NAVSHIPS 91183
AN/FRT-6
AN/FRT-6A
AN/FRT-6B
AN/FRT-6C		 frt6-01.JPG (89705 bytes) 40 kw HF 4-26 mc CW/FSK
manuf by Collins

additional photo

spec sheet

more info here

NAVSHIPS 91263
AN/FRT-10 need photo 500 kw LF 100-200 kc CW/FSK  
AN/FRT-15
AN/FRT-15A
AN/FRT-15B		 frt15-01.JPG (82782 bytes) 3 kw HF 2-30 mc AM/CW/FSK
w/ telephone dial channel select
(replaced by T-409/FRC-30)

additional photo

spec sheet

NAVSHIPS 91848(A) 
AN/FRT-17 frt17-01.JPG (68783 bytes) "replacement for TDO"

1 kw HF 2-20 mc AM/CW
4-400 modulated by 4-125
manuf by Federal?

additional photo

another photo

spec sheet

NAVSHIPS 91963
AN/FRT-18   need photo "replacement for TDH"

FRT-17 plus power amp
3 kw HF AM/CW/FSK
manuf by Federal?

spec sheet

NAVSHIPS 92018
AN/FRT-19 frt19-01.JPG (98817 bytes) 15 kw LF 30-300 kc CW/FSK
3 kw LF 300-600 kc CW/FSK 		 
AN/FRT-22
(Army only?)		 need photo 40 kw 4-26.5 mc CW/FSK
similar to FRT-6
manuf Collins 		photo and info
AN/FRT-24 
T-440/FRT-24		 003_023.jpg (118391 bytes)
Photo of Russ WA3FRP's FRT-24		 manuf by Collins
(commercial version is 432D-2)

1 kw 2-30 mc AM/CW/FSK
4-1000 modulated by two 4-400's

Click here for more photos, thanks to Russ WA3FRP
013_013.jpg (270799 bytes)

Another photo - K7YIR's FRT-24

 NAVSHIPS 92223(A)
AN/FRT-25? need photo higher power version of FRT-24?  
AN/FRT-26
(Army only?)		 need photo 15 kw 4-26.5 mc CW/FSK
similar to FRT-5
manuf Collins 		photo and info
AN/FRT-27  need photo  need info NAVSHIPS 92501
AN/FRT-39
(TMC GPT-10K)		 frt-39-03.JPG (92491 bytes) 10 KW HF shore station (& shipboard) xmtr - manuf by TMC

frt-39-02.jpg (246632 bytes)
photo from TMC vintage radio web site

 
AN/FRT-40
(TMC GPT-40K-A)

AN/FRT-40A
(TMC GPT-40K-E)

 frt-40-01.JPG (62186 bytes) 40 KW HF shore station xmtr
manuf by TMC

 

 
AN/FRT-53
(TMC SBT-1K-J)		 need photo 1 kw 2-32 mc - SSB/AM/CW
manuf TMC SBT-1K-J
          (PAL-1K + SBE-3 +VOX-5) 		manual
spec sheets
thanks to K4OZY
AN/FRT-54
(TMC GPT-40K-F)		 see FRT-40 photo above 40 KW HF shore station xmtr
manuf by TMC

 

AN/FRT-55
(TMC GPT-750-E)		 need photo 750 w SSB/AM/CW
includes
   AM-1703/URT-17 amp (TMC RTF)
   AN/URA-28A exciter (TMC SBE-3)
   PP-1768/URT-17 p/s (TMC RTP)
manuf TMC GPT-750-E 		manual
spec sheets
thanks to K4OZY
AN/FRT-56
(TMC SBT-1K-Q)		 need photo 1 kw 2-32 mc - requires external exciter
manuf TMC SBT-1K-Q
          (PAL-1K + SWR-1K) 		manual
spec sheets
thanks to K4OZY
AN/FRT-57
(TMC SBT-1K-L)		 need photo 1 kw 2-32 mc - SSB/AM/CW
manuf TMC SBT-1K-L
          (PAL-1K + SBE-3 +VOX-5 + SWR-1K) 		manual
spec sheets
thanks to K4OZY
AN/FRT-62
(TMC GPT-200K)		 need photo 200 KW HF shore station xmtr
manuf TMC GPT-200K 		spec sheets
thanks to K4OZY
AN/URT-2
AN/URT-3
AN/URT-4		 urt3-101.jpg (262325 bytes)

Photos - Accessory Units

 primarily shipboard use?
100w 300kc-26mc
(URT-3, -4 also 500w 2mc-26mc)
4-400 final AM/CW/FSK
10 channel remote select 
(preset frequencies + automatic tuning)

design & manuf by Federal - see 
"An automatic tuning communication transmitter"
Dettman, M.
IRE International Convention Record
Volume 1, Issue , Mar 1953 Page(s): 137 - 144

Essentially an auto-tune version of SRT-14, 15, 16 - design predates SRT-14 series

OA-353 Transmitter assembly
C-916/URT remote control

Auto antenna tuner
OA-297/URT controller group +
CB-5/URT capacitor tuning unit +
TN-197/URT inductor tuning unit

Optional "booster" OA-354/URT
(3kv p/s + pair 4-125 modulator)

URT-2 is 100 watts
URT-3 is 500 watts with booster
URT-4 is two URT-2 + booster

 NAVSHIPS 91833

NAVSHIPS 92877?

 

Additional information

My URT-3 restoration project
AN/URT-12
T-408/URT-12
Coast Guard only?		 urt12-01.JPG (203740 bytes)

more photos

 75w HF 2-30 mc AM/CW
pair  4-65's modulated by 4-65's

manuf by Radiomarine 

urt12-02.JPG (91760 bytes)
photos thanks to Sam KF4TXQ

 
AN/URT-17
(TMC GPT-750-D)		 need photo 750 w SSB/AM/CW
includes
   AM-1703/URT-17 amp (TMC RTF)
   AN/URA-23A exciter (TMC SBE-2)
   PP-1768/URT-17 p/s (TMC RTP)
manuf TMC GPT-750-D 		manual
spec sheets
thanks to K4OZY
AN/URT-19(V)
(TMC SBT-1K)		 need photo 1 kw 2-32 mc AM/CW/SSB or FSK
manuf TMC SBT-1K various configurations
          SBT-1K-A, SBT-1K-B, SBT-1K-C, SBT-1K-D 		manual
spec sheets
thanks to K4OZY
AN/URT-22 need photo need info
5 kw HF 2-30 mc SSB, AM, CW, FSK
manuf by National
AN/URT-25 need photo need info
manuf by National
       
TEF
(part of AN/FRC-10 & AN/FRC-10A)		 photo 2 kw HF 4.5-22 mc SSB/AFSK
manuf by Western Electric 		 
T-265/FRC-10
(part of AN/FRC-10B)		   4 kw HF 4-23 mc SSB/AFSK
manuf by Western Electric 		NAVSHIPS 92152 
T-409/FRC-30     4 kw HF 4.5-28 mc SSB/AFSK
manuf by Western Electric 		NAVSHIPS 92152
       
       
SHIPBOARD TRANSMITTERS (SURFACE & SUBMARINE)
AN/SRT-14 srt15-01.jpg (31055 bytes) 100w LF/HF xmtr
300kc-20mc
4-400 final AM/CW/FSK
manuf by Federal
similar to AN/URT-2

includes -

TN-229/SRT antenna tuner
CU-372/SRT antenna coupler
CU-402/SRT load adjusting unit

NAVSHIPS 92121(A)
AN/SRT-15 3-01.jpg (106618 bytes) LF/HF xmtr
100w 300kc-2mc
500w 2mc-26mc
4-400 final AM/CW/FSK
manuf by Federal
similar to AN/URT-3

SRT-14 plus "booster"
(high-power modulator and 3000v power supply)

 NAVSHIPS 92121(A)
AN/SRT-16  two SRT-14 plus one "booster" LF/HF dual xmtr
100w 300kc-2mc
500w 2mc-26mc
4-400 final AM/CW/FSK
manuf by Federal
similar to AN/URT-4 		NAVSHIPS 92121(A)
AN/URT-2
AN/URT-3
AN/URT-4		 see entry in shore xmtrs above ship/shore LF/HF
see info above

Additional information

My URT-3 restoration project
AN/WRT-2 wrt2-01.jpg (45610 bytes)
WRT-2 shipboard HF xmtr		 wrt2-101.jpg (124672 bytes)

2-30 mc
500W CW, FSK, AM
1000w SSB/ISB

  
       
SSB-1 need photo RCA SSB HF transceiver 60 watts NAVSHIPS 92917

VHF/UHF TRANSMITTERS
TED-6 ted6-01.jpg (34849 bytes) UHF  
SRC-17 need photo  UHF transceiver Navships 94127
URC-9
SRC-20
SRC-21		 need photo UHF transceivers
manuf Collins 		 

TMC TRANSMITTER COMPONENTS
AN/URA-23
AN/URA-23A		 o503a-urt17a-01.jpg (12820 bytes) SSB/AM/CW exciter
includes
   O-503A/URA-23 oscillator
   PP-1796/URA-23 power supply

manuf TMC SBE-2

manual
spec sheets
thanks to K4OZY
AN/URA-27 need photo Antenna tuner
manuf TMC ATS-2 		manual
spec sheets
thanks to K4OZY
AN/URA-28 need photo SSB exciter
manuf TMC SBE-3 		manual
spec sheets
thanks to K4OZY
AN/URA-36 need photo 1 kw 2-32 mc linear amp - requires external exciter
manuf TMC PAL-1K 		manual
spec sheets
thanks to K4OZY
C-2749/URT need photo FSK keyer
manuf TMC XFK 		manual
spec sheets
thanks to K4OZY
O-330/FR
O-330A/FR
O-459/URT		 o-330a-01.jpg (27539 bytes) VFO 2-64 mc
manuf TMC VOX 		manual
spec sheets
thanks to K4OZY

COLLINS TRANSMITTER COMPONENTS
O-91/FRT-5
O-243/FRT-24		 frt5-o91-01.jpg (10180 bytes) 2-4.5 mc VFO
motor driven AFC synced to 100 kc frequency standard

uses PP-454 power supply

manuf Collins 708A-1

o91-60.jpg (180527 bytes)
o91-56.jpg (176226 bytes) o91-58.jpg (179378 bytes) o91-59.jpg (194678 bytes)