The AN/SPQ-11 Cobra Judy was a
PESA radar found on the missile range instrumentation ship.
It was used for space tracking, ballistic missiles tracking and other instrumentation. Cobra Judy was the Airforce code name for the afloat phased-array radar that was designed with a primary mission of monitoring Soviet missile tests and which operated in conjunction with land based phased-array radar Cobra Dane and Cobra Ball aircraft.
Cobra Judy was replaced by the Cobra Judy Replacement (CJR) in April 2014.
In accordance with the
Joint Electronics Type Designation System
The Joint Electronics Type Designation System (JETDS), which was previously known as the Joint Army-Navy Nomenclature System (AN System. JAN) and the Joint Communications-Electronics Nomenclature System, is a method developed by the U.S. War Depa ...
(JETDS), the "''AN/SPQ-11''" designation represents the 11th design of an Army-Navy
electronic device
Electronics is a scientific and engineering discipline that studies and applies the principles of physics to design, create, and operate devices that manipulate electrons and other electrically charged particles. It is a subfield of physics and ...
for
surface ship special radar system.
The JETDS system also now is used to name all
Department of Defense
The United States Department of Defense (DoD, USDOD, or DOD) is an executive department of the U.S. federal government charged with coordinating and supervising the six U.S. armed services: the Army, Navy, Marines, Air Force, Space Force, ...
electronic systems.
Replacement
The Cobra Judy Platform, was taken out of service and stricken from the Naval Vessel Register March 31, 2014.
On 31 March 2014, the Cobra Judy Replacement program, aboard reached initial operational capability (IOC). According to the Naval Sea Systems Command (NAVSEA), the U.S. Air Force also assumed operational and sustainment responsibilities for the ship.
The inertial navigation system for the antenna stabilization and alignment had been provided by iMAR Navigation.
See also
*
*, platform for
Cobra King, the Cobra Judy Replacement
*
Cobra Dane
The AN/FPS-108 COBRA DANE is a PESA phased array radar installation operated by Raytheon for the United States Space Force (originally for the United States Air Force) at Eareckson Air Station on the island of Shemya, Aleutian Islands, Alaska. ...
*
Cobra Ball
*
Cobra Eye
*
List of radars
A radar is an electronic system used to determine and detect the range of target and maps various types of targets. This is a list of radars.
Argentina
Australia
Brazil
Egypt
Europe
India Military
Airborne
*LCA MMR - 3D advanced, li ...
*
List of military electronics of the United States
This article lists American military electronic instruments/systems along with brief descriptions. This list specifically identifies electronic devices which are assigned designations according to the Joint Electronics Type Designation System ...
References
External links
FAS Intelligence Resource Program – AN/SPQ-11 Cobra Judy
Radio frequency antenna types
Sea radars
Military radars of the United States
Cobra radars
Antennas (radio)
Military electronics of the United States
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