The Eutelsat 117 West B satellite, also called SatMex 9, is one of three commercial geostationary satellites that constitute the space segment of WAAS.
Credit: FAA Concept
Fifty years since the inception of GPS, a complementary satellite system that has broadened navigational access to more than 2,000 civil airports in the U.S. celebrated its 20th anniversary this summer. The FAA’s Wide Area Augmentation System (WAAS), which refines GPS signals to the accuracy...
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