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The ASR-11 is an upgraded, advanced version of the previous ASR-9 radar. This next generation radar system has been developed through a joint effort by the Federal Aviation Administration , the Department of Defense and the United States Air Force , who took most of the lead development tasks.
The ASR-11 will replace most ASR-7 and some ASR-8. The military nomenclature for the radar is AN/GPN-30 . The older radars, some up to 20 years old, are being replaced to improve reliability, provide additional weather data, reduce maintenance cost, improve performance, and provide digital data to new digital automation systems for presentation ...
The radar operated in the L-band at 1250 to 1350 MHz and detected targets at distances beyond 210 nautical miles; 390 kilometres (240 mi). The D model had height-finder capability. Westinghouse also built ARSR-4 3-D air surveillance radar in the 1990s for the JSS. By the late 1990s, this radar had replaced most of the 1960s-vintage AN/FPS-20 ...
AN/FPN-47 Airport Surveillance Radar (ASR) AN/FPQ-16 Perimeter Acquisition Radar at Cavalier AFS, North Dakota (an engineering development model was tested at Syracuse) AN/FPS-3 search radar; AN/FPS-4 Height-Finder; AN/FPS-5 long Range Search Radar; AN/FPS-6 height finder; AN/FPS-7 Long Range Search Radar; AN/FPS-8 Medium Range Search Radar
ASR-9 was the first Radar System to enable the detection of a moving target with circular polarization, therefore significantly enhancing the ability to locate aircraft in various weather conditions. In addition to the enhanced detection system, six separate weather channels can be switched on to display the precipitation reflectivity measured ...
S-band air traffic control radar (ASR-7) [127] Texas Instruments (now Raytheon) AN/GPN-20: Solid-state all-weather dual-channel air traffic control radar, modified ASR-8 [128] Raytheon: AN/GPN-27: Airport Surveillance Radar (ASR-8) [129] Northrop Grumman: AN/GPN-30: Digital Airport Surveillance Radar (DASR) (ASR-11), replacing AN/GPN-12, AN/GPN ...
The former J-31 San Pedro JSS ARSR-1 radar site, California USAF Battle Control System operators monitor the skies from the floor of the program's Eastern Air Defense Sector location. The Joint Surveillance System (JSS) is a joint United States Air Force and Federal Aviation Administration system for the atmospheric air defense of North America.
Radar echoes, showing a representation of the carrier. Pulse width also determines the radar's dead zone at close ranges. While the radar transmitter is active, the receiver input is blanked to avoid the amplifiers being swamped (saturated) or, (more likely), damaged.