Volume 1
MIL-HDBK-162A
Section 3
15 December 1965
ITEM NAME: RADAR EQUIPMENT
TYPE: SR, SR-a, SR-b
Type of Presentation:
RELATION TO SIMILAR EQUIPMENT
Range - A-scope, 4, 20, 80 and 400 mi
Bearing - PPI, 4, 20, 80 and 200 mi
The SR-a is an SR that has been modified by
replacing the keyer unit with a modulator. The SR-b is a
INSTALLATION CONSIDERATIONS
sophisticated version of the SR-a, providing a more
sensitive receiver and added T-R protection. This
resulted in increased range capability and added
Siting: Locate indicator where average
temperature is moderate; transceiver
TECHNICAL DESCRIPTION
tic controller, voltage regulator,
and controller disconnect line switch
Peak Power Output: 300 kw
station near transceiver.
Pulse Repetition Rate: 60 and 200 pps
Pulse Width: 1, 4, or 20 usec
Mounting: Synchro amplifier supports
Operating Voltages and Power Requirements:
welded to bulkhead; most units are
115/230v, 60 cps, 1-ph
shock mounted.
COMPONENT
QTY
HEIGHT
WIDTH
DEPTH
UNIT WT.
(Inches)
(Inches)
(Inches)
(Pounds)
Keyer Unit CAY-67AAD (SR only)
1
11-1/4
14-5/8
18-7/8
62
Monitor Receiver CAY-46ADK
1
13-1/4
14-5/8
20-5/16
53
Monitor Scope CAY-55AFD
1
9-1/4
14-5/8
19-9/32
59
Indicator Console CAY-46ADJ
1
29-13/16
41-3/4
31-13/16
527
Rotation Control Unit CAY-SOAEB
1
30
14-1/4
31-5/16
217
1
21-5/8
24-3/4
18
207
Modulator CAY-5OAGU (SR-a, -b
1
23-1/2
18
27-1/4
168
only)
Motor Generator CAY-211182
1
33-15/16
30-3/16
86-3/4
2975
1
78-3/4
22-7/8
54-5/8
477
Antenna Assy CLP-66AHE
1
152
69
31-11/16
251
Antenna Assy CLP-66AHF
1
180
72
32-13/16
272
Mark III Dipole CLP-66AHG
1
47-3/8
2
2
5.5
Mark III Dipole CLP-66AHH
1
52
39
16-1/2
292
Mark IV Dipole Group CLP-66AH3
1
52
39
16-1/2
292
REFERENCE DATA AND LITERATURE
Technical Manuals:
NAVSHIPS 900, 946
NAVSHIPS 92524
SR: 2