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The site houses a AN/TPY-2 Surveillance Transportable Radar operated in 2021 by the United States Army's 1st Space Brigade. [3] Originally operated by approximately 100 soldiers, [4] that number has increased significantly since the site's initial construction, with a $35.8 million expansion in 2023 increasing the base's capacity to 1000. [5]
PAVE PAWS transmitter building, Clear Space Force Station, Alaska, showing the two circular phased array antennas Some of the 2,677 crossed-dipole elements in the phased array antenna. The radar was built in the Cold War to give early warning of a nuclear attack, to allow time for US bombers to get off the ground and land-based US missiles to ...
Eglin AFB Site C-6 is a United States Space Force radar station which houses the AN/FPS-85 phased array radar, associated computer processing system(s), and radar control equipment designed and constructed for the U. S. Air Force by the Bendix Communications Division, Bendix Corporation.
AN/APN-169 station-keeping radar by Sierra, for the C-130 and C-141; AN/APN-170 terrain following radar by General Dynamics for A-4C B-52 and B-58; AN/APN-172 improved AN/APN-168 Doppler radar set by Marconi Electronic Systems; used with AN/ASN-73 for HH-53C, CH-53G; AN/APN-174 station-keeping subsystem radar set by Teledyne for CH-46 and CH-53
The Ballistic Missile Early Warning System (BMEWS) was a radar system built by the United States (with the cooperation of Canada and Denmark on whose territory some of the radars were sited) during the Cold War to give early warning of a Soviet intercontinental ballistic missile (ICBM) nuclear strike, to allow time for US bombers to get off the ground and land-based US ICBMs to be launched, to ...
Much of the site is devoted to the enormous overhead wire antenna array that is necessary to efficiently radiate the VLF waves. The antenna, shown above, consists of ten catenary cables, 5,640–8,700 ft (1,719–2,652 m, 1.1–1.6 miles) long, suspended in a zigzag pattern over the valley between Wheeler mountain and Blue mountain on twelve 200 ft. towers on the mountains' crests.
A passive electronically scanned array (PESA), also known as passive phased array, is an antenna in which the beam of radio waves can be electronically steered to point in different directions (that is, a phased array antenna), in which all the antenna elements are connected to a single transmitter (such as a magnetron, a klystron or a ...
Both radar types can be triggered with either equal or opposed phases. Both antenna types can optionally be mounted on a standard 50 m pylon. This arrangement causes a displacement of the radar horizon which in turn increases the detection altitude up to 6 km at a distance of 150 km.
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