15 December 1965
ITEM NAME: RADAR IDENTIFICATION SET
receiving, 10t30 to 1130 mc
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
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.
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
Components of this equipment are
responses from the AN/APX-25.
on the associated radar.
Related Equipment: Radar Identification Set AN
GPX-7 may be used with Radar Set AN/FPS-3.
PRINCIPAL COMPONENTS AND PHYSICAL DATA
Radar Recognition Set AN/UPX-4*
Code Coordinator KY-54/GPX
Pulse Delay Network
MX- 1214 /GPX-7**
Switch Box SA-239/GPX
Terminal Box J-420/GPX-7
** Furnished on contract AF 33(03t3) 15107 only.
REFERENCE DATA AND LITERATURE