Thursday, May 17, 2018

Remote Alaskan Radar Is America's First Line of Defense


In a freezing, remote island off the coast of Alaska, Eareckson Air Station. This radar is permantly facing west, and is America's first warning system against incoming missles. In today's day tensions between world powers is high, so America's warning system is top notch. The radar itself is 120 ft tall with a radar array that spans 94.5 ft across. The main component of the radar is a L-Band phased array radar that operates in 1175-1375 MHz ranges. This extremely complicated radar consists of 34,768 elements, including 15,360 active radiating elements, set in a pattern that enables a 136 degree radar coverage. It can also track up to 120 targets and maintain precise tracking data on 20 of them. Not only does this machine have a tactical purpose, NASA can use it to do detect satellites and "space-junk" that could possibly pose a threat to spaceflights. 




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