| 词条 | AN/SPQ-11 |
| 释义 |
|name = AN/SPQ-11 |image = Cobra Judy Phased Array.jpg |caption = Close-up of the front of Cobra Judy radar, 1983. |country = United States |introdate = 1983 |number = 1 |type = Passive electronically scanned array radar |frequency = 2900-3100 MHz (E\\F band) |range = |altitude = |diameter = |azimuth = |elevation = |precision = |power = }} The AN/SPQ-11 Cobra Judy was a PESA radar found on the {{USNS|Observation Island|T-AGM-23}} missile range instrumentation ship. It was used for space tracking, ballistic missiles tracking and other instrumentation. Cobra Judy was the sea component of the COBRA program{{what|date=May 2015}} for monitoring missile launches and outer space. Cobra Judy was replaced by the Cobra Judy Replacement (CJR) in April 2014. ReplacementThe Cobra Judy Platform, {{USNS|Observation Island|T-AGM-23|6}} was taken out of service and stricken from the Naval Vessel Register March 31, 2014.[1] On 31 March 2014, the Cobra Judy Replacement program, aboard {{USNS|Howard O. Lorenzen|T-AGM-25}} 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.[2] See also
References1. ^{{cite web |title= USNS OBSERVATION ISLAND (T-AGM 23) |url= {{NVR url|id=AGM23}} |publisher= Naval Vessel Register |accessdate= 2 March 2012}} 2. ^{{cite news |url=http://www.navy.mil/submit/display.asp?story_id=80748 |title=Cobra Judy Replacement Achieves Initial Operational Capability |work=Navy.mil |date=1 May 2014 |accessdate=8 May 2014 |id=No. NNS140501-26}} External links
5 : Radio frequency antenna types|Sea radars|Military radars of the United States|Cobra radars|Antennas (radio) |
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