US Navy VHF & UHF Receivers - 1950's

VHF/UHF Receivers
model photo primary use freq manuf more info
AN/FRR-27
(R-518/FRR-27		 frr26-104.JPG (12988 bytes) VHF shore single frequency
(similar to FRR-26)		 100-156 mc
xtal control only - not tunable		    -   -
AN/URR-9 urr9-01.JPG (64020 bytes) UHF 225-400 mc AM

manual & 10 channel xtal control

similar to RDZ

double conversion superhet
18.6 & 3.85 mc IF		 National NAVSHIPS 91201
AN/URR-13
AN/URR-13A
AN/URR-13B
AN/URR-13C
R-266()/URR-13()
(formerly RED)		 urr13-01.jpg (9821 bytes)

urr13-02.jpg (13697 bytes)

UHF 225-400 mc AM
1 xtal channel or tunable

urr13-xtal-01.jpg (122166 bytes)
Crystal pack for URR-13 & URR-35

 single conversion superhet Federal
Espey		 NAVSHIPS 91270
AN/URR-21
AN/URR-21A		 urr21-01.JPG (95075 bytes)
R-432/URR-21		 VHF 115-156 mc AM

manual or 4 channel xtal control

superhet - 12 mc IF Air Associates Inc. NAVSHIPS 91462(A)
NAVSHIPS 91497
AN/URR-27
AN/URR-27A
(R-516()/URR-27())		 urr27a-111.jpg (23045 bytes)

urr27a-117.jpg (85153 bytes)		 urr27-02.jpg (146265 bytes)
VHF 105-190 mc AM
manual or 1 channel xtal control

urr27a-116.jpg (14061 bytes)

 National URR-27
Clearfield URR-27A

urr27a-115.jpg (48099 bytes)

 info, schematic, & photos

NAVSHIPS 91771

urr27a-113.jpg (46772 bytes) urr27a-112.jpg (45087 bytes) urr27a-114.jpg (51049 bytes)
AN/URR-28(XN-1) urr28-03.JPG (156681 bytes)
info thanks to Ed KD6EU		 urr28-02.JPG (218664 bytes) URR-35A redesign with 10 channels - probably not put into production National NAVSHIPS 92563
AN/URR-35
AN/URR-35A
AN/URR-35B
AN/URR-35C
AN/URR-35D
R-482()/URR-35()		 urr35-01a.JPG (163422 bytes)
AN/URR-35A

urr35c-02.JPG (9122 bytes)
AN/URR-35C

 urr35c-04.JPG (12166 bytes)  urr35c-03.JPG (14605 bytes)

UHF 225-400 mc AM
manual or 1 channel  xtal control

dual conversion superhet
18.6mc & 1.775mc IF		 Federal
National
Rauland-Borg
Western Electric		 NAVSHIPS 91906 (35)
92022 (35A)
92676 (35C)