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)

 - - Manual downloadable from here
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 51J4-manual-02.jpg (33020 bytes)
NAVSEA manual		 Collins 51J-4

Were any 51J-4's actually labeled as 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-2307/U
(Cubic R-3030A)		 r2307-u-01.jpg (151797 bytes)

r2307-u-02.jpg (225043 bytes)

 

 r2307-u-04.jpg (162674 bytes)

r2307-u-05.jpg (369081 bytes)

  • Twin receivers
  • 50 kc to 30 mc range
  • IF outputs of 40.455 mc and 455 kc
  • Highly stable with + or - 1 PPM
  • BFO of + or - 10 kc
  • 100 memory channels per receiver
  • Bandwidths of .5 / 2 / 4 / 8 / 16 kc
  • Operating modes of AM / USB / LSB / CW / FM
  • Tuning resolution to 10 cps
  • IF passband shift from .1 to +/ - 9.99 kc
Cubic R-3030A

r2307-u-03.jpg (19989 bytes)
R-2368/URR r2368-01.jpg (22522 bytes)

r2368a-211.jpg (227349 bytes)

 Variant of Harris RF-390
LF/MF/HF solid state

r2368a-212.jpg (13284 bytes)

r2368-03.jpg (23056 bytes)

Harris RF-590A - -
R-2557/URC r2557-61.jpg (57801 bytes) Variant of Harris RF-390 used in AN/URC-131 HFRG

r2557-63.jpg (8911 bytes)

r2557-64.jpg (43555 bytes)
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

Manual NAVSHIPS 92788
          

Be patient and check back often - this project is just getting started!
Last updated 07/05/2010