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AN/APQ-72

Description of the radar set, tactical-technical characteristics

Figure 1: AN/APQ-72,
(© 2011 Robert Spivey, @flickr)

Figure 1: AN/APQ-72,
(© 2011 Robert Spivey, @flickr)

Specifications
frequency: X-Band
pulse repetition time (PRT):
pulse repetition frequency (PRF):
pulsewidth (τ):
receive time:
dead time:
peak power:
average power:
instrumented range: 200 NM (≙ 370 km)
range resolution:
accuracy:
beamwidth:
hits per scan:
antenna rotation:
MTBCF:
MTTR:

AN/APQ-72

AN/APQ-72 is an X-Band tracking radar used in the McDonnell Douglas F-4B Phantom.

The parabolic reflector had a diameter of 32 inches (81 cm). A target tracking was performed with the conical scan. The complete cutler feed of the antenna rotated and was eccentrically mounted by a few millimeters. The antenna can scan a sector of 120 degrees and its elevation angle can be adjusted to a maximum deviation of ± 60 degrees from course. The target illumination radar AN/APA-128 for guiding AIM-7 Sparrow missiles was integrated into the system. The dipoles visible in the picture belong to the AN/APX-76 IFF-interrogator. This was retrofitted during the Vietnam War as an upgrade.


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