Volume 1
MIL.-HDBK- 162
Section 1
15 December 1965
ITEM NAME: RADAR IDENTIFICATION SET
TYPE: AN/GPX-7
receiving, 10t30 to 1130 mc
FUNCTIONAL DESCRIPTION
Peak Power Ouput: 20 kw
Radar Identification Set AN/GPX-7 provides Mark X IFF
Operating Voltage and Power Requirements:
for Radar Set AN/FPS-3. The AN/ GPX-7 transmits
115v ac, 40 to 70 cps, 1-ph
coded radio-frequency pulses to trigger an airborne
Type of Presentation: PPI and B-scopes
transponder identification set and coverts the received
of associated radar
transponder reply to video pulses to be displayed on the
Duty Cycle: 0.32
PPI's of the associated radar set. The interrogator
Pulse Repetition Rate: 1t0 to 120 p)ps (adjusted to
output level and receiver sensitivity are adequate for
conform with pulse repetition rate of associated
interrogating and receiving replies from transponders
radar)
operating within the detection range of the associated
Pulse Width: 0.7 to 1.2 usec
radar. The AN/GPX-7 may be independently operated to
track targets equipped with a radar identification set.
INSTALLATION CONSIDERATIONS:
RELATION TO SIMILAR EQUIPMENT:
Siting: Dependent on location of basic radar.
Similar to and interchangeable with AN/GPX-7A.
Differs in that this equipment does not decode
Mounting:
Components of this equipment are
responses from the AN/APX-25.
installed
on the associated radar.
TECHNICAL DESCRIPTION:
Related Equipment: Radar Identification Set AN
GPX-7 may be used with Radar Set AN/FPS-3.
Frequency: transmitting, 990 to 1010 mc;
PRINCIPAL COMPONENTS AND PHYSICAL DATA
COMPONENT
QTY
HEIGHT
WIDTH
DEPTH
UNIT WT.
(Inches)
(Inches)
(Inches)
Radar Recognition Set AN/UPX-4*
1
Code Coordinator KY-54/GPX
1
8-5/8
6-5/8
23
39
Pulse Delay Network
1
MX- 1214 /GPX-7**
Switch Box SA-239/GPX
7
4-1/4
4-3/4
6-1/4
1.4
Terminal Box J-420/GPX-7
1
Antenna Assembly AS-295A/UP*
1
13-13 /32
9 13/32
222
101
* Government-furnished
** Furnished on contract AF 33(03t3) 15107 only.
REFERENCE DATA AND LITERATURE
Technical Orders:
31P4-2GPX7- Series
Specification:
ENG-2141A
ENG-346
AN/GPX-7: 2
Previous Page
