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Northrop Grumman lands $1B contract for F-16 AESA radars by Christen Mccurdy Washington (UPI) Dec 20, 2019 Northrop Grumman has been awarded a $1 billion contract for work on radar systems for the U.S. Air Force's F-16 aircraft, the Department of Defense announced. The contract, announced Thursday, funds development and production of up to 372 active electronically scanned array radars -- computer-controlled antennae in which the beam of radio waves can be steered to point in different directions without physically moving the antenna. The upgrades of AESA radars on the F-16 have been years in the making, as the Air Force has tested them. The goal, Air Force officials say, is to bring the F-16s abilities closer to those of the F-22 Raptor and F-35 Lightning II. A little more than $679,000 is obligated at the time of the award. The total cumulative value of the contract is $291.2 million. Work will be performed at Northrop Grumman's Lunthicum Heights, Maryland worksite and will be completed by May 2027.
First measures of Earth's ionosphere found with the largest atmospheric radar in the Antarctic Tokyo, Japan (SPX) Nov 28, 2019 There's chaos in the night sky, about 60 to 600 miles above Earth's surface. Called the ionosphere, this layer of Earth's atmosphere is blasted by solar radiation that breaks down the bonds of ions. Free electrons and heavy ions are left behind, constantly colliding. This dance was previously measured through a method called incoherent scatter radar in the northern hemisphere, where researchers beam radio wave into the ionosphere. The electrons in the atmosphere scatter the radio wave "incoherentl ... read more
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