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

HF/MF Receivers

AN/FRR-22
(R-502/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 - 29 tubes

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

RCA

NAVSHIPS 92211

info/photos

manual

frr22-1309-01.jpg (359500 bytes) frr22-1309-02.jpg (304665 bytes) frr22-1309-03.jpg (334265 bytes) frr22-1309-04.jpg (276461 bytes)

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

info/photos

manual

AN/FRR-48(XW-1)

HF DSB/SSB Receiver 2-32 mc
Prototype Only

General Electric model XSDR-1

Synthesized, synchronous detection, direct conversion

See this paper for much more info

And this article for a history of the developmentLeft to Right- Bill Jones, Dr. John Costas, Roger Swanson, Jack Cunnif
Bill Jones, Dr. John Costas, Roger Swanson, Jack Cunnif

frr48-spec-01.JPG (183589 bytes) frr48-spec-02.JPG (161054 bytes)
Bottom of RF chassis by Bill Jones
Bottom of RF chassis by Bill Jones
Top of RF chassis by Bill Jones
Top of RF chassis by Bill Jones
Top of Synthesizer by Roger Swanson
Top of Synthesizer by Roger Swanson
Bottom of Audio, Alpha-Beta and Audio by Jack Cunnif
Bottom of Audio, Alpha-Beta and Audio by Jack Cunnif

AN/FRR-59
AN/FRR-59A
AN/FRR-59B

AM-2477/URR amplifier - detector
frr59--211-1301.jpg (546772 bytes)

CV-920/URR converter - RF tuner
frr59--211-1302.jpg (715708 bytes)

frr59--211-1300.jpg (880245 bytes)

HF shore version of  WRR-2()

more FRR-59 photos

frr59-block-01.JPG (358384 bytes)

2-32 mc
1.0 kc tuning (59)
0.5 kc tuning (59A,B)
Wadley loop - 65 tubes

frr59-block-02.JPG (303755 bytes)

National (59, 59A)
Arvin (59B)

info/photos

diagram

restoration

downloadable manual

frr59--211-1304.jpg (622244 bytes)

frr59--211-1305.jpg (1199051 bytes)

frr59--211-1303.jpg (796466 bytes) AN/FRR-59 (17910 bytes)
p1010003.jpg (134968 bytes) p1010004.jpg (93606 bytes) p1010005.jpg (193439 bytes)

p1010006.jpg (171416 bytes)

p1010007.jpg (187084 bytes)

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 - looks like MRR-2

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

info/photos

manual

Navships 91875

AN/SRR-13
AN/SRR-13A
(R-441/SRR-13)

srr12-13-01.JPG (109229 bytes)
SRR-13

srr13-120401.JPG (17800 bytes)
SRR-13

HF shipboard version of FRR-23
2-32 mc, 29 tubes

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

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

srr13-120402.JPG (65133 bytes)

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

RCA, Magnavox

info/photos 

Navships 91875 - manual pdf

article in Electric Radio magazine 
- July 1991 p 4

srr13-120403.JPG (48048 bytes)

srr13a-1210-01.jpg (149429 bytes)
SRR-13A
srr13a-1210-02.jpg (195251 bytes) srr13a-1210-03.jpg (114079 bytes) srr13a-1210-04.jpg (115429 bytes)
srr13a-1210-05.jpg (199908 bytes) srr13a-1210-06.jpg (183156 bytes) -- --

AN/TRR-5

    R-366/TRR-5
    LS-171/U
    CY-851/TRR-5

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)

trr5-51.JPG (19620 bytes)

Manual downloadable from here

trr5-50.JPG (77921 bytes)

trr5-1101.jpg (1760393 bytes) trr5-1102.jpg (1698733 bytes) trr5-1103.jpg (1744672 bytes) trr5-1100.jpg (1670818 bytes)

AN/URR-22
(R-302/URR-22)

urr22-1300.jpg (77493 bytes)
need better photo

ship/shore entertainment rcvr
replaces RBO

similar to AN/URR-44

urr22-1301.jpg (9493 bytes)

0.54-18.6 mc AM/CW

National  

NAVSHIPS 92161 - download

AN/URR-23
urr23-101.JPG (115977 bytes)

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

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

0.5 - 30.5 mc

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

Click here for R-388 contract info page

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

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)

AN/URR-39 receiver 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

standard NC-183D info

manual
r651-urr39-1306-01.jpg (144549 bytes) r651-urr39-1306-02.jpg (215433 bytes) r651-urr39-1306-03.jpg (193123 bytes) r651-urr39-1306-04.jpg (160171 bytes)
r651-urr39-1306-05.jpg (159728 bytes) r651-urr39-1306-06.jpg (184396 bytes) r651-urr39-1306-07.jpg (131642 bytes) --

AN/URR-44
(R-892/URR-44)
r892-02.jpg (24135 bytes)

ship/shore entertainment rcvr
replaces RBO

urr44-120401.JPG (255524 bytes)

0.54-18.6 mc AM/CW

urr44-120402.JPG (209034 bytes)

General Instruments

NAVSHIPS 93316 - download

 info & photo

similar to URR-22

AN/URR-51 ?

need photo

R-388A - NAVSHIPS 92324

AN/URR-74(V)

urr74-1309-01.jpg (38615 bytes)

urr74-1309-03.jpg (33260 bytes)

wj8716-0211-05.jpg (184445 bytes) Watkins Johnson WJ-8718-A variant

see photos & info here

5kc-30mc

AM (16 or 6 khz), SSB (3.2 khz), RTTY (1 khz) or CW (.3 khz).  There is a mechanical BFO built in that can be adjusted in 10 hz increments using decadic thumbwheels The digital readout is clear and bright and goes to a resolution of 10 hz for precise tuning.

 

AM FM CW LSB USB ISB
0.3, 1, 3.2, 6, 16 kc bandwidths

Watkins-Johnson

see photos & info here

urr74-1309-02.jpg (18206 bytes)

receivers aboard USS Iowa BB-61
DSC02080.JPG (4295911 bytes)
receivers aboard USS Iowa BB-61
DSC02129.JPG (4117185 bytes)
Coverage of 5 khz to 30000 khz
Selectivity of 16 / 6 / 3.2 / 1 / .3 khz
BFO of + or - 8 khz and shown in it's own display to the left of the frequency readout
4 Tuning steps
AGC fast / slow / off
Modes of AM / FM / CW / LSB / USB / ISB
AF/S-Meter
115/220 VAC
Digital readout down to 10 hz
Sensitivity of .4uV 16 dB (S+N)/N CW
IF output
RF gain
Headphone and line out jacks
Rack handles

AN/WRR-2
AN/WRR-2A
AN/WRR-2B

wrr2-01.jpg (109305 bytes)
upper - AM-2477/URR amplifier - detector
lower - CV-920/URR converter - RF tuner

HF shipboard version of FRR-59()

See FRR-59 block diagrams above

2-32 mc

1.0 kc tuning (2)
0.5 kc tuning (2A,B)
Wadley loop
65 tubes

National (2, 2A)
Arvin (2B)

info/photos

diagram

restoration

downloadable manual

 

R-274B/FRR

(Hammarlund SP-600-JX-6 or SP-600-J-11 or SP-600-JX-35)
r274b-u-101.jpg (95335 bytes)

r274b-frr-61.jpg (65361 bytes)

540kc-54mc

r274b-frr-62.jpg (45874 bytes)

Hammarlund

R-274B spec sheet

NAVSHIPS 91661

SP-600 series info

SP-600 manuals

r274b-110619-01.jpg (131262 bytes) r274b-110619-02.jpg (168977 bytes) r274b-110619-03.jpg (195194 bytes) r274b-110619-04.jpg (101892 bytes)

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

SP-600 series info

SP-600 manuals

R-369/FRC-10
(part of AN/FRC-10A or -10B)
r369-frc10-01.JPG (568366 bytes) Western Electric 
4-28 mc dual channel SSB
- for VF AFSK links

frc10b-01.JPG (104041 bytes)

r369-frc10-02.JPG (387576 bytes)

Manual TM 11-780
download pdf version

R-388/URR

r388-urr.jpg (163364 bytes)
photo thanks to Don Smith

Collins 51J-3

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

Click here for R-388 contract info page

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

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

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 and R-388A 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-navy-61.jpg (37104 bytes)
Many Navy R-390A units were modified with a green diode load jack on the front panel (FC 4)

r390a-103.jpg (35985 bytes)

r390a-cover-61.jpg (9731 bytes)
Rear panel cover with AN connectors

r390a-102.jpg (42813 bytes) Collins, other manufacturers

  R-390A FAQ page

  NAVSHIPS Manual & Field Changes

  info from CT manual 

r390a-navy-65.jpg (51557 bytes)

r390a-navy-62.jpg (58299 bytes) r390a-navy-63.jpg (78469 bytes) r390a-navy-64.jpg (89897 bytes)

R-391/URR

need to add photo

 

Auto-tune version of R-390/URR

Used by NAVSECGRU only?
(AN/FRA-44 and AN/FLR-7)

- -

R-450/FRR-28
r450-frr28-07.JPG (128743 bytes)

Hammarlund SP-600 modified by  Northern Radio for AN/FRR-28 diversity system More R-450/FRR-28 photos Hammarlund

SP-600 series info

SP-600 manuals

article in Electric Radio magazine
- Sept 2004, p2

R-618/FRR-32
frr32-03.jpg (17511 bytes)
Need better photo

AN/FRR-23 modified for use in AN/FRR-32 dual diversity system  - RCA

R-825/URR
r825-01.JPG (914886 bytes)

r825-02.JPG (375046 bytes) TMC GPR-90
540 kc - 31 mc

r825-03.JPG (381298 bytes)

spec sheet

manual

r825-04.JPG (302908 bytes)

R-840/URR

r840-urr-01.JPG (40388 bytes)
need better photo

r840-urr-02.JPG (62674 bytes) TMC GPR-90RX
(same as R-825 plus xtal control)
Contract NObsr-71790
540kc-31mc

More photos

spec sheets

manual - NAVSHIPS 93165

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  

article in Electric Radio magazine November 1993 p4

R-1414/URR

r1414.jpg (78213 bytes)
photo thanks to K1VVC

 HF - solid state  Please send e-mail if you have any more photos or info Sylvania

Manual available from www.manualman.com 

R-2174/URR
r2174-urr-111.jpg (12277 bytes)

LF/MF/HF solid state

r2174-urr-112.jpg (11395 bytes)

RACAL RA6790/GM

r2174-urr-113.jpg (11268 bytes)

RACAL

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-590
LF/MF/HF solid state

r2368a-212.jpg (13284 bytes)

r2368-03.jpg (23056 bytes)

Harris 

R-2557/URC
r2557-61.jpg (57801 bytes)

Variant of Harris RF-590 used in AN/URC-131 HFRG

r2557-63.jpg (8911 bytes)

r2557-64.jpg (43555 bytes) Harris 

75A-4
75A-4 (Mod)
75a4-01.JPG (92983 bytes)

75A-4(mod) manual changes -

IMG_3985.jpg (1939199 bytes)

   75A-4
   Bands (mc) 
        1.5 to 2.5 
        3.2 to 4.2 
        6.8 to 7.8 
        14 to 15 
        20.8 to 21.8 
        26.5 to 27.5 
        28 to 29 
        29 to 30 

  75A-4 (Mod)
  Bands (mc) 
        1.5 to 2.5 
        3.2 to 4.2 
        4.2 to 5.2 
        5.2 to 6.2 
        6.8 to 7.8 
        13 to 14 
        14 to 15 
        29 to 30 
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 02/07/2014