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The Whistler Group was an electronics company based in Bentonville, Arkansas, [1] best known for its radar detectors. Whistler also manufactured power inverters, GPS navigation devices, inspection cameras, LED flashlights, vehicle dashboard cameras, and scanner radios. [2] The company went out of business in 2024 without warning.
Dodge David Morgan (January 15, 1932 – September 14, 2010) was an American sailor, businessman, publisher and "self-proclaimed contrarian." [1] He flew fighter jets in the U.S. Air Force in the early 1950s, worked as a newspaper reporter in Alaska, and became a millionaire by operating Controlonics, a company that manufactured Whistler radar detectors from 1971 to 1983.
An early radar detector Car radar detector (Japanese) A radar detector is an electronic device used by motorists to detect if their speed is being monitored by police or law enforcement using a radar gun. Most radar detectors are used so the driver can reduce the car's speed before being ticketed for speeding.
Radar warning receiver (RWR) systems detect the radio emissions of radar systems. Their primary purpose is to issue a warning when a radar signal that might be a threat is detected, like a fighter aircraft's fire control radar. The warning can then be used, manually or automatically, to evade the detected threat.
Jeremy Dunn (Laser Technology Inc.) developed a police lidar device in 1989, [3] and in 2004 10% of U.S. sales of traffic enforcement devices were lidar rising to 30% in 2006, [1] given the advantages of lidar it appears likely that the majority of current sales are lidar, although sophisticated radar units are still being sold.
Navigation with Gosmore, an open source routing software, on a personal navigation assistant with free map data from OpenStreetMap. An automotive navigation system is part of the automobile controls or a third party add-on used to find direction in an automobile.
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.
In 1964 an AN/FPS-26A height-finder radar replaced the AN/FPS-6 and the AN/FPS-6B was modified to an AN/FPS-90. In 1966 the AN/FPS-26A was converted to an AN/FSS-7 SLBM detection & warning radar operated by the 3d Missile Warning Squadron and later as Detachment 3 14th Missile Warning Squadron on 8 July 1972.