Volume 1
MIL-HDBK-162A
Section 1
15 December 1965
ITEM NAME: INTERROGATOR SET
TYPE: AN/GPX-18C
Transmitted Signal 1030 mc freq, PM 12 mc, 1
that of the radar in azimuth and time thus permitting the
channel
reply pulses to be displayed on the associated radar PPI
Received Signal 1090 mc freq, PM 10 mc, 1
in close association with the radar target being
channel
identified. Also, provision is made for symbolic display
Input Power Requirements: 117v ac, 60 cycle,
of the Mode 2 response codes from AN/APX-25.
single ph
RELATION TO SIMILAR EQUIPMENT
INSTALLATION CONSIDERATIONS
AN/GPX-18C is similar to and one-way
interchangeable with the AN/GPX-18B, differs in
Siting:
Dependent on physical location of
improved Coder-Decoder Group being used.
Also
associated radar.
AN/GPX-1BC is interchangeable with the AN/GPX-18A
where space and power are available, difference is in
Mounting: Components of this equipment are
the repackaging of the Coder-Decoder Group being
installed on the associated radar.
used.
Related Equipments: Radar Identification Set
TECHNICAL DESCRIPTION
AN/GPX-18C is used with Radar Sets
AN/FPS-8 or AN/MPS-11.
PRINCIPAL COMPONENTS AND PHYSICAL DATA
COMPONENTS
QTY.
HEIGHT
WIDTH
DEPTH
UNIT WT.
(Inches)
(Inches)
(Inches)
(Pounds)
Coder-Decoder Group AN/GPA-78
1
Recognition Set AN/UPX-6
1
Antenna Group OA-405/FPS-8
1
Interconnecting Cable Assemblies
REFERENCE DATA AND LITERATURE
TECHNICAL ORDERS:
AN/GPX-18C: 2
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