Global Positioning System (GPS) Resources
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GLONASS - The Global Navigation Satellite System (GLONASS), being deployed by the Russian Federation, has much in common with the U. S.' Global Positioning System (GPS) in terms of the satellite constellation, orbits, and signal structure. Both systems are owned and operated by their respective defense departments, and offer precise, global, and continuous position-fixing capabilities. Both transmit spread spectrum signals at two frequencies in the L-band (1.2 GHz and 1.6 GHz), and have pledged to make a partial set of signals available for civil use without any user fees for the next 10 years, or more.
OEM Boards - GPS Receivers compiled by Storm Van Leeuwen S.
WAAS - The Wide Area Augmentation System is a safety-critical navigation system that will provide a quality of positioning information never before available to the aviation community.
© Copyright 2012 - Samuel J. Wormley