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WAAS wide area augmentation system
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WACS wireless airport communication system
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WADGPS wide area differential GPS
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WAEA World Airline Entertainment Association
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WAFC world area forecast center
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WAN wide area network
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WARC World Administrative Radio Conference
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WARP weather and radar processor
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WAS wide area search
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WASP wireless access service point
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WATRS west Atlantic route structure
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WBS weight balance system
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WBS work breakdown structure
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WC waypoint capture
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WDM wavelength division multiplexed
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WDM LAN wavelength division multiplexed local area network
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WG working group
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Wi-Fi wireless fidelity
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WGS world geodetic system
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Wilco will comply
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WIN-T Warfighter Information Network
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WINN Weather Information Network
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WIP wide area augmentation system integrity panel
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WIPPS wide-body integrated platform protection system
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WJHTC William J. Hughes Technical Center (FAA)
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WLG wireless ground-link
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WMO World Meteorological Organization
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WMSCR weather message switching center replacement
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WNW wideband networking waveform
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WORM write-once/read many (optical disk technology)
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WP work procedure
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WPR waypoint position report
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WPT waypoint
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WQAR wireless quick access recorder
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WRC World Radiocommunication Conference
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WS windshear
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WSDDM weather support for deicing decision-making
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WSR weather surveillance radar
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WTMD Wake Turbulence Mitigation for Departures (FAA)
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WWG wireless working group
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WX weather
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WXR weather radar
