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The system was built in 1976 and brought online in 1977 for the primary mission of gathering intelligence about Russia's ICBM program in support of verification of the SALT II arms limitation treaty. Its single face 29 m (95 ft) diameter phased array radar antenna 52°44′14″N 174°05′29″E / 52.7373°N 174.0914°E / 52.7373 ...
Analog wireless is found in three frequencies: 900 MHz, 2.4 GHz, and 5.8 GHz. Currently, the majority of wireless security cameras operate on the 2.4 GHz frequency. Most household routers, cordless phones, video game controllers, and microwaves operate on the 2.4 GHz frequency and may cause interference with a wireless security camera.
Three additional systems were ordered in Feb. 2009 by the United Arab Emirates Armed Forces. [4] Simultaneous with the development of COBRA, Norway and Sweden developed a smaller, more mobile counter-battery radar known as ARTHUR. It was taken into service in 1999 and is today used by 7 NATO countries and The Republic Of South Korea.
COBRA COunter Battery RAdar is a Counter-battery radar system developed jointly by Thales, Airbus Defence and Space and Lockheed Martin for the French, British and German Armed Forces. It is a mobile Active electronically scanned array 3D radar based on a wheeled chassis for the purpose of enemy field artillery acquisition.
The standard systems are not "high power" and thus can be overpowered by secret systems using much more boosted power that can then take over a user's cell phone. If overpowered that way, a cell phone will not indicate the change due to the secret radio being programmed to hide from normal detection.
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Cobra Mist was the codename for an Anglo-American experimental over-the-horizon radar station at Orford Ness, England. [a] It was known technically as AN/FPS-95 and sometimes referred to as System 441a; a reference to the project as a whole. Cobra Mist was part of a small number of "Cobra" long-range surveillance radars operated by the United ...
The AN/SPQ-11 Cobra Judy radar, on USNS Observation Island (T-AGM-23), could also be guided by the COBRA BALL electro-optical sensors on an RC-135. Cobra Judy was supplemented by Cobra Gemini on USNS Invincible (T-AGM-24) starting around 2000 and was replaced by Cobra King in 2014 on USNS Howard O. Lorenzen (T-AGM-25). [12] [13]
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