AN/SPQ-9

Infobox Radar
name = AN/SPQ-9


caption = The AN/SPQ-9 radome on USS|Nicholson|DD-982
country = United States
introdate =
number =
type =
frequency = I band (8-10 GHz)
range = 150 yds (137 m) to 20 nm (37 km)
altitude =
diameter =
azimuth =
elevation =
precision =
power = 1.2 kW

AN/SPQ-9, (sometimes spoken as spook nine), is a United States Navy surface detect and track radar used with the Mk-86 gun fire-control system. Primarily a surface search two-dimensional radar (range and bearing), it also can detect and track low altitude air targets.

Initially tested on the USS|Norton Sound|AVM-1, it was also deployed on Sclass|Spruance|destroyer|1s, Sclass|Kidd|destroyer|1s, Sclass|Ticonderoga|cruiser|1s, Sclass|Tarawa|amphibious assault ship|1s, Sclass|Iowa|battleship|1s (1980s refit), Sclass|California|cruiser|1s and Sclass|Virginia|cruiser|1s.

External links

* [https://wrc.navair-rdte.navy.mil/warfighter_enc/weapons/SensElec/RADAR/spq9a.htm NAVAIR warfighters encyclopedia, AN/SPQ-9A]
* [http://www.tpub.com/content/fc/14099/css/14099_41.htm Fire Controlman Volume 02-Fire Control Radar Fundamentals, via tpub]
* [http://www.globalsecurity.org/military/systems/ship/systems/an-spq-9.htm GlobalSecurity.org AN/SPQ-9 Radar]