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The AN/TPS-75 is a transportable 3-dimensional passive electronically scanned array air search radar produced in the United States. It was originally designated the TPS-43E2. Although the antenna is a radically new design from the TPS-43, the radar van itself, which houses the transmitter, receiver processors, and displays is very similar to the older TPS-43E2. It is produced in the United States originally by Westinghouse Defense and Electronic Division, which was later purchased by Northrop-Grumman.
The AN/TPS-75 is the primary transportable Aerospace Control And Warning (AC&W) radar used by the United States Air Force.[n 1]  The TPS-75 is capable of transmitting 5-Megawatts of power. (Although 5-Megawatts is almost never achieved; realistically it is approx 2.8 Megawatts)
This radar was developed as an upgrade of the AN/TPS-43(V), which entered US service in 1970; it incorporates new electronics and a new Ultra Low Side Lobe Antenna (ULSA). About 67 TPS-43(V) radars were upgraded to TPS-75(V) standard starting in FY88.
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. The entire radar system can be "torn down" and ready for transport in just a few hours. This varies greatly with amount of personnel, their level of training, and method of transport. A typical convoy package would consist of one 5-ton truck pulling the radar van with the radar antenna in the bed of the truck and a support 5-ton pulling an AN/MJQ-1632 400 Hz power plant. The support truck would hold some spare parts, fuel tank(s), camouflage netting, and other logistical items as needed. The heat exchanger and -18 environmental control unit (ECU) are normally loaded into and transported within the radar van.
There are many add-ons for the TPS-75, one of which allows the AN/TPS-75 to be tilted back to see into the atmosphere assisting in detection of long range ballistic missiles.
- Frequency Range 2.9 - 3.2 GHz (S-Band)
- Peak Power: 2.8MW nominal
- Pulse Width: 6.8μs
- Range: 240nmi
- Power Requirements: 120/208 VAC, 3 Ph, 400 Hz
- Power Consumption: 52 Kilowatts
- The US Military description for radar type TPS is "Ground, Transportable; Radar; Detecting, Range and Bearing, Search".
- Mobile Military Radar website, Radar Types page (accessed 2015-01-06)
- Mobile Military Radar website, Radar Descriptions page (accessed 2015-01-06)
- Mobile Military Radar website, Radar Description page - TPS-75 description & specifications (accessed 2015-01-06)
- www.radartutorial.eu Card Index of Radar Sets - Air Defense Radar – AN/TPS-75 (accessed 2015-01-06)
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