MIL-HDBK-162A
Volume 1
15 December 1965
Section 3
DATE: 1 July 1964
ITEM NAME: RADAR EQUIPMENT
COGNIZANT SERVICE: USN
TYPE: SU-2
FEDERAL STOCK NUMBER: 5840-642-7066
USA
USN
USAF
USMC
STATUS OR TYPE CLASSIFICATION
Obsoles
Mfg(s) Name or Code Number: Submarine Signal Company
broader band, and anti-jam features not in the SU and
SU-1. The SU-2 gives better resolution and more
consistent ranges than the SU.
TECHNICAL DESCRIPTION
Frequency: 9000 mc
Range, Max: 80 mi
Range, Min: 100 yd
Peak Power Output: 50 kw
Operating Voltages and Power Requirements:
115 vac, 60 cps, 1-ph
Type of Presentation:
Range - 5-in. A-scope with range step and
dials at ranges of 4, 20, and 80 mi
Bearing - True and relative indicator
PPI - 5-in. A-scope with range- marker spot;
2, 4, 20, and 80 mi ranges
Other - Provision for IFF display
RF Power Source: Type 2J49 magnetron
Pulse Repetition Rate: 600 pps
Pulse Width: 0.25 sec or 1 sec
Repeater Adapter Output Video Signal Lines:
4 lines at 2 0.5v amplitude
Repeater Adapter Trigger Lines: 4 lines at +55v;
amplitude may vary between +25 and +75v
Horizontal Coverage: 360 deg
Range Resolution: 0.25 /sec pulse, 100 yd;
1 sec pulse, 250 yd
FUNCTIONAL DESCRIPTION
Azimuth Resolution: 1 deg
Range Accuracy: 50 yd at 8, 000 yd; 250 yd at
Radar Equipment SU-2 is a medium-range surface-
40, 000 yd; and 1/2 mi at 80 mi
search radar for use on medium size and smaller
Horizontal Beam Width: 1.9 deg
vessels (larger than a PC). The antenna is stabilized for
Vertical Beam Width: 3.8 deg
line-of-sight only. The stable element is mounted near
Antenna: Slotted paraboloidal; horn waveguide
the metacenter of the ship. A recognition set adapter is
fed into reflector; horizontal polarization
included for IFF coordination.
Receiver Bandwidth: 3.8 mc
IF. Frequency: 30 mc
RELATION TO SIMILAR EQUIPMENT
INSTALLATION CONSIDERATIONS
The SU-2 is identical to Radar Equipment SU-4
Siting: Sheltered areas (shipboard).
except that the SU-4 uses a larger stable base antenna.
The SU-2 and SU-3 have an optional shorter pulse,
SU-2: 1
Previous Page
