Volume 1
MIL-HDBK-162A
Section 3
15 December 1965
55AHP- 1
construction of a new cabinet to house the Range
FUNCTIONAL DESCRIPTION
Indicator Navy Type 55AGJ-1.
The Navy Type 55AHP-1 is a shipboard installation
RELATION TO SIMILAR EQUIPMENT
used with existing radar and [FF systems to provide a
means for the received radar and IFF signals to be
The Navy Type 55AHP-1 is the same as Navy Type
displayed simultaneously on the screen of a CRT. The
55AHP except for minor components used.
information displayed indicates the range and identity of
remote objects.
TECHNICAL DESCRIPTION
It is used in conjunction with radar transmitting and
receiving systems which have a repetition rate of 180 or
Presentation: One 5-in. A-scope
600 pulses per second and which supply
Range Scales: 4, 20, 80, and 200 mi
synchronization, video IFF, and radar signals to the
Trigger Pulse: +5 to +50w
console for presentation on the A-scope.
Video Signals: +1.0 to +2.5v
Operating Voltages and Power Requirements: 104 to
Field Change 1 applies to all Navy Type 55AHP-1
126 vac, 58 to 62 cps, 1-ph, 300w
equipments used with Radar Equipments AN/SPS-4,
Navy Model SG-6, and Navy Model SG-6b. Option 1 to
INSTALLATION CONSIDERATIONS
the field change removes the IFF Coordinator Navy
Type 23AGG-1 from the cabinet and places a blanking
Siting:
plate over the opening left by removal of the
Mounting: Shelf mounted.
coordinator. Option 2 to the field change removes the
Cabling Requirements:
IFF Coordinator Navy Type 23AGG-1, and authorizes
Related Equipment:
PRINCIPAL COMPONENTS AND PHYSICAL DATA
COMPONENT
QTY
HEIGHT
WIDTH
DEPTH
UNIT WT.
(Inches)
(Inches)
(Inches)
(Pounds)
Cabinet NT-16104-A
1
18-1/32
21-3/8
31-9/32
195
IFF Coordinator NT-23AGG-1
1
12-1/16
6-7/8
29-9/16
31
Range Indicator NT-55AGJ-1
1
12-1/16
12-7/8
29-9/16
90
REFERENCE DATA AND LITERATURE
Technical Manual:
NAVSHIPS 900827
56AHP-1: 2
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