US Navy HF & MF Receivers - 1950's & 1960's

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

          

1950's & 1960's individual HF & MF receivers

model type primary use freq features manuf more info

HF/MF Receivers
AN/FRR-22 frr22-23-01.JPG (41108 bytes) MF shore
version of SRR-12
w/ rack mount + EXT OSC input

frr22-01.JPG (171037 bytes)
FRR-22 with AGC off-norm

 0.25-8 mc

frr22-02.JPG (164586 bytes)
FRR-22 showing AGC off-norm instead of standby switch

 29 tubes RCA NAVSHIPS 92211
AN/FRR-23 frr22-23-01.JPG (41108 bytes) HF shore
version of SRR-13
w/ rack mount + EXT OSC input

 

 2-32 mc 29 tubes RCA NAVSHIPS 92211
AN/FRR-59
AN/FRR-59A
AN/FRR-59B		 AN/FRR-59 (17910 bytes)
left - CV-920 converter - RF tuner
right - AM-2477 amplifier - detector		 HF shore
version of  WRR-2()

more FRR-59 photos

 2-32 mc 1.0 kc tuning (59)
0.5 kc tuning (59A,B)
Wadley loop
65 tubes		 National (59, 59A)
Arvin (59B)
AN/MRR-2 mrr2-01A.JPG (242017 bytes) MF mobile or transportable use
AN/SRR-12 with waterproof case 
115vac or 24vdc 		0.25-8 mc -   RCA -  
AN/MRR-3 need photo HF mobile or transportable use
AN/SRR-13 with waterproof case		 2-32 mc   - RCA   -
AN/SRR-12 srr12-01.jpg (47093 bytes) MF shipboard
version of FRR-22		 0.25-8 mc 29 tubes RCA
AN/SRR-13
AN/SRR-13A		 srr12-13-01.JPG (109229 bytes)
SRR-13

srr13a-12.JPG (154332 bytes)
SRR-13A with standby switch

 HF shipboard
version of FRR-23

srr13a-03.JPG (180109 bytes)
SRR-13A with AGC off-norm switch

 2-32 mc

srr13a-04.JPG (176034 bytes)
SRR-13A showing AGC off-norm instead of standby switch

 29 tubes RCA
Magnavox
AN/TRR-5
R-366/TRR-5
LS-171/U		 r366-trr5-01.jpg (10209 bytes)

trr5-03.jpg (92165 bytes)

 Morale MF/HF receiver  - Transportable for use ashore

trr5-01.jpg (165980 bytes)

trr5-02.jpg (145781 bytes)

r366-trr5-02.jpg (20303 bytes)

  

ls171-u-trr5-04.jpg (17100 bytes)

ls171-u-trr5-01.jpg (31762 bytes)

 - - -
AN/WRR-2
AN/WRR-2A
AN/WRR-2B		 wrr2-01.jpg (109305 bytes)
upper - AM-2477 amplifier - detector
lower - CV-920 converter - RF tuner		 HF shipboard
version of FRR-59()		 2-32 mc 1.0 kc tuning (2)
0.5 kc tuning (2A,B)
Wadley loop
65 tubes		 National (2, 2A)
Arvin (2B)

 

AN/URR-22
(R-302/URR-22)		 3-25.jpg (21983 bytes)
need photo		 ship/shore
entertainment rcvr
replaces RBO

similar to URR-44

 0.54-18.6 mc AM/CW   - National -  
AN/URR-23 urr23-101.JPG (115977 bytes)
need better photo		 R-381/URR-23 (Collins 51J-1) or
R-381A/URR-23 (Collins 51J-2)
CY-1235/URR cabinet
LS-175/U speaker		 0.5 - 30.5 mc -    Collins 51J-1 or
Collins 51J-2

Contract
NObsr-49134
(15 May 1950)

  -
AN/URR-23A urr23a-02.JPG (228086 bytes) R-388/URR (Collins 51J-3 variant) 
CY-1235/URR cabinet
LS-199/U speaker
urr23a-102.JPG (40040 bytes)
photo courtesy of K4NCG		 0.5 - 30.5 mc

r388-urr-02.JPG (31698 bytes)
R-388 tag showing AN/URR-23A Navy contract number - thanks to W7HDL

 Were all Navy R-388 receivers procured as AN/URR-23A systems?  

Click here for R-388 contract info page

 Collins 51J-3
with MFP and modified antenna input ckt ?

Contract
NObsr-52527
(22 June 1951)

 NAVSHIPS 91678
AN/URR-36 need photo National HRO-50-1
 with 4 coils (A-D), & speaker		 50-430 kc & .05-35 mc   -  -  
AN/URR-36A need photo National HRO-50-1
(R-5234/URR-36A)
with 10 coils, xtal calib, speaker & coil storage unit, and rack 		50-430 kc & .05-35 mc    - National

Contract
NObsr-71193  

 NAVSHIPS 91648
AN/URR-39 urr39-02.jpg (25278 bytes) National NC-183MR
(R-651/URR-39
 with speaker (LS-228/U)
 & rack mount (MT-1529/U)		 50-150kc & 0.54-31mc
 standard 47-55mc band replaced with VLF band and bandspread replaced with 0-200 logging scale National - modified NC-183D
AN/URR-44
(R-892/URR-44)		 r892-02.jpg (24135 bytes) ship/shore
entertainment rcvr
replaces RBO

 info & photo

similar to URR-22

 

 0.54-18.6 mc AM/CW  - General Instruments NAVSHIPS 93316
AN/URR-51 ? need photo R-388A -     -   - NAVSHIPS 92324
  
R-274B/FRR
(Hammarlund SP-600-JX-6 or SP-600-J-11 or SP-600-JX-35)		 r274b-u-101.jpg (95335 bytes) Hammarlund 
 SP-600-JX-6
 or SP-600-J-11
 or SP-600-JX-35		 540kc-54mc    - Hammarlund
R-274B/FRR "special"
(Hammarlund SP-600-JL-24) 		 need photo Hammarlund
 SP-600-JL-24		 100-400kc and 1.35-29.7mc -    Hammarlund NAVSHIPS 91661

 

R-388/URR  r388-urr.jpg (163364 bytes)
photo thanks to Don Smith		 Collins 51J-3 with antenna input mod?

 

 Were all Navy R-388 receivers procured as AN/URR-23A systems? 

What's this goofy contract number mean? MIPR 881-47159

Please send e-mail if you can help clarify this - thanks!

 Click here for R-388 contract info page Collins

Contract
MIPR-881-47159

 TM11-854 / TO16-35R-388-5

 
R-388A/URR need photo Collins 51J-4 Is there any difference between 51J-4 and R-388A? Click here for R-388 contract info page    Collins

Contract
NObsr-69046
(16 Nov. 1956)

 NAVSHIPS 92324
R-390/URR  r390-urr-02.jpg (58776 bytes)

r390-urr-06.jpg (26350 bytes)

 r390-urr-08.jpg (110546 bytes)    r390-urr-07.jpg (63392 bytes)     - Collins -   
R-390A/URR r390a-101.jpg (24535 bytes)

r390a-104.jpg (22682 bytes)

 r390a-103.jpg (35985 bytes)

 

 r390a-102.jpg (42813 bytes)    

info from CT manual 

   - Collins, others   - 
R-450/FRR-28 r450-frr28-07.JPG (128743 bytes) Hammarlund SP-600 modified by  Northern Radio for AN/FRR-28 diversity system    -    - Hammarlund   
R-840/URR r840-urr-01.JPG (40388 bytes)
need better photo		 r840-urr-02.JPG (62674 bytes) TMC GPR-90RX

540kc-31mc

TMC
Contract
NObsr-71790		  - spec sheets

manual

R-1051/URR
R-1051A/URR
R-1051B/URR
R-1051C/URR
R-1051D/URR
R-1051E/URR
R-1051F/URR
R-1051G/URR
R-1051H/URR		 r1051-01.jpg (50664 bytes)

R-1051 Web Page covering variants and other info

solid state (plus 2 tubes in RF)
late 60's replacement for most receivers

r1051-02.jpg (114650 bytes)

 R-1051 Web Page covering variants and other info

r1051-03.jpg (138538 bytes)

    -    - R-1051 Web Page covering variants and other info  
R-1414/URR r1414.jpg (78213 bytes)
photo thanks to K1VVC		  HF - solid state  Please send e-mail if you have any info  Sylvania  - -
R-2174/URR r2174-urr-111.jpg (12277 bytes) r2174-urr-112.jpg (11395 bytes) r2174-urr-113.jpg (11268 bytes) RACAL
RA6790/GM

LF/MF/HF solid state

- -
R-2368/URR r2368-01.jpg (22522 bytes)

r2368a-211.jpg (227349 bytes)

 r2368-03.jpg (23056 bytes)

r2368a-212.jpg (13284 bytes)

  LF/MF/HF solid state

Harris RF-590A - -
75A-4
75A-4 (Mod)		  75a4-01.JPG (92983 bytes)   75A-4 - bands
  • 1.5 to 2.5 mc
  • 3.2 to 4.2 mc
  • 6.8 to 7.8 mc
  • 14 to 15 mc
  • 20.8 to 21.8 mc
  • 26.5 to 27.5 mc
  • 28 to 29 mc
  • 29 to 30 mc

   75A-4 (Mod) - bands

  • 1.5 to 2.5 mc
  • 3.2 to 4.2 mc
  • 4.2 to 5.2 mc
  • 5.2 to 6.2 mc
  • 6.8 to 7.8 mc
  • 13 to 14 mc
  • 14 to 15 mc
  • 29 to 30 mc
  • Collins 75A-4 with 0.8, 3.1, 6.0 kc filters
  • used by USN in early SSB tests
  • other uses??

contracts:
75A-4
NObsr-71287, 27 April 1956

75A-4 (Mod)
NObsr-71289, 27 April 1956

 

 NAVSHIPS 92788
          

Be patient and check back often - this project is just getting started!
Last updated 03/05/2010