Volume 1
MIL-HDBK-162A
Section 1
15 December 1965
ITEM NAME: RADAR TRAINER
TYPE: AN/GPN-T2, AN/GPN-T2A
Antenna Speed of Rotation
adjustable in azimuth, elevation, and range. Pulse
External: 4 to 12 rpm
width, pulse repetition rate, antenna beam width,
Internal: 4 to 24 rpm
antenna speed of rotation, and maximum range are
Target Video Output Pulse: plus or minus 2.5v (min)
adjustable to meet the requirements of a specific search
Signal Inputs
radar set.
For Operation with PPI Repeater: None
RELATION TO SIMILAR EQUIPMENT
For Operation with Radar Set
Video Pulse: plus or minus 2.5v
Radar Trainers AN/GPN-T2 and AN/GPN-T2A are
Trigger Pulse: plus 20v (min)
electrically interchangeable.
TECHNICAL DESCRIPTION
Power Requirements
6-Target Equipment: 115v, ac, 1-ph, 1400
Number of Targets: 6, 12, 18, 24, or 30
12-Target Equipment:: 2550w
Target Speed: 100 to 600 and 200 to 1200 knots
18-Target Equipment:: 3720n
Target Turning Rate: 0 to 10 and 0 to 20 deg per sec
24-Target Equipment:: 488w
Radar Range Scales: 0 to 120 and 0 to 240 naut mi
30-Target Equipment:: 6040
Minimum Range: 2 mi (120-mi operation), 4 mi (210-mi
operation)
INSTALLATION CONSIDERATIONS
Accuracy
Siting: Maximum permissible distance between this
Range: plus or minus 3% of setting
equipment and the search radar or PPI is 100 ft.
Target Maneuvering
Speed: plus or minus 2%
Mounting: The 6-target signal unit and 6-target
Course:
plus or minus 2 (leg
generator unit are usually installed on a table or
Pulse Width: 1 to 2 and 3.5 to .1.5 usec
bench. The master unit and 6-target power
Pulse Repetition Rate
supply arc located beneath the table or bench
External: Same as associated radar
top.
Internal : 250 to 450 prr (adjustable)
Radar Antenna Horizontal Beam Width
Related Equipment: Associated radar set and PPI
Fixed: 1.5 deg
repeater.
Adjustable: 1.5 to 10 deg
IFF Antenna Horizontal Beam Width: 4.5 to 47 deg
(adjustable)
PRINCIPAL COMPONENTS AND PHYSICAL DATA
COMPONENT
BOXES
UNIT WT.
(NR.)
(Pounds)
19
788
EQUIPMENT SUPPLIED DATA
COMPONENT
QTY
HEIGHT
WIDTH
DEPTH
UNIT WT.
(Inches)
(Inches)
(Inches)
OA-11161/GPN-T2A, Console,
1
Radar Trainer
OA-804/GPN-T2, Interconnect-
1
ing group
OA-805/GPN-T2, Interconnect
1
ing Group
OA-HO6/GPN-T2, Interconnect-
1
ing Group
AM-1-17:3/GPN-T2, Amplifier,
1
Audio Frequency
AN/GPN-T2: 2
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