Sunday, December 5, 2010


The AN/TPS-75 is a mobile, air-search, ground radar which was developed by Westinghouse Defense and Electronic Division from the AN/TPS-43 for the US Air Force, entering service in 1968. The AN/TPS-75 is an S-band, tactical radar with a frequency range of 2.9 - 3.1 GHz, and a peak power of 2.8MW nominal. Its pulse width is 6.8µs. This radar system has the capability of providing radar azimuth, range, height, and Identification Friend or Foe (IFF) information for a 240-nautical-mile area. The AN/TPS-75 radar system consists of the UPX-27 IFF/SIF equipment, Tactical Air Operation Interface Gp OA 9194/TYQ-23(V)2, Modular Control Equipment Interface Group (MIG) and AN/TLQ-32 ARM Decoy.

Data from the AN/AN/TPS-75 can be combined with information from other radar to form an integrated picture of the aerial battlefield for theater commanders. In September 2004 Raytheon was selected by the U.S. Air Force to upgrade AN/TPS-75 radars for Hill Air Force Base, Utah. The entire system can be broken down and packed onto two M939 trucks for road transport and mobile air transport by planes such as the C-130 Hercules or bigger. Disassembly of the set can be done in a few hours. The unit's antenna operates from sea level to 10,000 feet in conditions that include winds up to 52 knots, ice as much as 1.2 radial inches in thickness, and heat up to 120 degrees Fahrenheit with 95 percent humidity.

Specifications for the AN/TPS-75

Type: S-band, mobile, tactical radar.
Pulse Repetition Frequency: 235, 250, 275 +/- 0.5 Hz fixed, and two selectable average PRFs; 250 and 275 staggered.
Pulse Width: 6.8µs
peak power: 2.8 MW nominal
Range: 240nmi
Dimentions: 11 feet high by 18 feet 4 inches wide
Weight: shelter 8,400 pounds; antenna 7,400 pounds