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An orthomode transducer (OMT) is a waveguide component that is commonly referred to as a polarisation duplexer. Orthomode is a contraction of orthogonal mode . Orthomode transducers serve either to combine or to separate two orthogonally polarized microwave signal paths. [ 1 ]
Trans World Airlines Flight 514, was a Boeing 727-231 en route from Indianapolis, Indiana and Columbus, Ohio to Washington Dulles International that crashed into Mount Weather, Virginia, on December 1, 1974. All 92 occupants aboard, 85 passengers and 7 crew members, were killed.
The Garrett TPE331 installation. Prototype construction of the Metro began in 1968 and the first flight was on August 26, 1969. Swearingen Aircraft encountered financial difficulties at this stage, and late in 1971 Fairchild (which was marketing the Metro [2] and building its wings and engine nacelles), bought 90% of Swearingen and the company was renamed Swearingen Aviation Corporation.