Volume 1
MIL-HDBK-162A
Section 3
15 December 1965
MK 12 MOD 1
Azimuth Accuracy: 3 mils
Antenna Feed: 8 dipoles per section of double
Elevation Accuracy: 3 mils
cylindrical parabola
Antenna Gain: 22 db
Operating Voltages and Power Requirements: 110,
Horizontal Beam Width: 10 deg at half-power points
220, or 440v, 1-ph, 60 cps, 2.5 kw
Vertical Beam Width: 10 deg at half-power points
Frequency: 920 to 970 mc
Type of Presentation: Four 3-in. CRT
RF Power: 100 kw peak, 0.048 kw avg
Pulse Repetition Rate: 480 pps
Pulse Duration: 1 sec
INSTALLATION CONSIDERATIONS
IF. Frequency: 30 mc
Receiver Sensitivity: 3 v noise factor, 16 db
Not available.
PRINCIPAL COMPONENTS AND PHYSICAL DATA
COMPONENT
QTY
HEIGHT
WIDTH
DEPTH
UNIT WT.
(Inches)
(Inches)
(Inches)
(Pounds)
Antenna Assembly CW-66AFF
1
75
75
58
460
Radar Transmitter-Receiver
1
51
24
16
400
Assembly CS-43ABU
Train or Elevation Meter CW-22AAD
2
6
7
5
20
Range Unit CW-23AFB
1
38
22
12
225
Indicator Unit CW-55ADN
5
21
15
8
200
Indicator Power Unit CW-20ACF
1
21
20
10
106
Operator's Control Unit CW-23ADO
1
14
13
7
20
Power Control-Amplifier Assembly
1
36
37
26
575
CW-50ACP
Power Supply Assembly CW-20ACC
1
36
36
26
815
Range Control Unit CW-23AFC
1
15
13
11
65
Blower-Filter Assembly CW-10213
1
22
24
22
140
Cathode-Ray Oscillograph CDU-60064
1
9
15
16
49
Portable Sweep Unit CW-50147
1
7
23
9
15
REFERENCE DATA AND LITERATURE
Technical Manual:
SHIPS 270A
Ordnance Pamphlet
OP 1076
MX 12 MOD 1: 2
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