US Navy R-450/FRR-28 Receiver

r450-frr28-07.JPG (128743 bytes) r450-91.jpg (62897 bytes) r450-92.jpg (87416 bytes) r450-93.jpg (71859 bytes)
r450-94.jpg (89659 bytes) r450-95.jpg (71575 bytes) r450-96.jpg (74857 bytes) r450-frr28-08.JPG (107728 bytes)
frr28-01.jpg (84329 bytes)
two R-450/FRR-28 rcvrs
O-165/UR master oscillator
AM-615/UR amplifier/detector
KY-79/UR keyer
SB-224/UR patching panel
LS-187/UR speaker		 frr28-block-01.JPG (78484 bytes)
FRR-28 block diagram

frr28-block-02.JPG (81672 bytes)
FRR-28 diversity mode block diagram

 frr28_feb_1959.jpg (39720 bytes)
AN/FRR-28 - Kodiak - 1959

FRR-28 spec sheet - page 1

FRR-28 spec sheet - page 2

Manual - NAVSHIPS 91582
(available from Andy Moorer)

article in Electric Radio magazine
- Sept 2004, p2