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Type 984 radar on HMS Victorious, 1961. 3D radar provides for radar ranging and direction in three dimensions. In addition to range, the more common two-dimensional radar provides only azimuth for direction, whereas the 3D radar also provides elevation. Applications include weather monitoring, air defense, and surveillance.
ARSR-3 and 3D search radar were used by the FAA in the Joint Surveillance System (JSS). 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 ...
San Francisco Bay Area. The San Francisco Bay Area, commonly known as the Bay Area, is a metropolitan region surrounding the San Francisco Bay estuaries in Northern California. According to the 2010 United States Census, the region has over 7.1 million inhabitants and approximately 6,900 square miles (18,000 km 2) of land. [1]
Craigslist headquarters in the Inner Sunset District of San Francisco prior to 2010. The site serves more than 20 billion [17] page views per month, putting it in 72nd place overall among websites worldwide and 11th place overall among websites in the United States (per Alexa.com on June 28, 2016), with more than 49.4 million unique monthly visitors in the United States alone (per Compete.com ...
[6] [7] [8] The squadron "began operating a pair of AN/CPS-6B radars at this Bay-area site in late 1951". [ 9 ] [ 3 ] The Air Defense Command Manual Control Center at the station networked ground-controlled interception radars, [ 10 ] and on March 10, 1952, the first Multiple Corridor System for identification of traffic arriving from overseas ...
Module:Location map/data/San Francisco Bay Area is a location map definition used to overlay markers and labels on an equirectangular projection map of San Francisco Bay Area. The markers are placed by latitude and longitude coordinates on the default map or a similar map image.
vector source: File:California Bay Area county map.svg. this combination: Own work: Author: color scheme: PerryPlanet at English Wikivoyage vector source: GEreikat at English Wikipedia. this combination: Mliu92: Other versions: This file was derived from: Bayarea map.svg: California Bay Area county map.svg:
The AR-320 is a 3D early warning radar developed by the UK's Plessey in partnership with US-based ITT-Gilfillan. The system combined the receiver electronics, computer systems and displays of the earlier Plessey AR-3D with a Gilfillan-developed transmitter and planar array antenna from their S320 series.