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ADS-B: Automatic Dependent Surveillance-Broadcast new technology which relies on the satellite-based global positioning system to determine an aircraft"s precise location in space. Information from the Cargo Airline Association	COSMIC GNSS-RO History Historical archive of GNSS Radio Occultation at UCAR.
Geospatial Data | USDA Forest Service Proporciona acceso a datos geoespaciales, mapas e información sobre aplicaciones GIS utilizadas por el Servicio Forestal	Glossary of GPS Terms - GPS World A comprehensive glossary of terms related to the Global Positioning System and geospatial technologies, provided by GPS World magazine.
GPS Drawing Drawings with Global Positioning System technology made over water, on land and in the air by Jeremy Wood.
GPS Time Series measurements made with the Global Positioning System are sensitive enough to detect motion of the Earth"s tectonic plates
GPS TrackMaker offers program to connect handheld GPS to PC. Allows the creation and edition of waypoints, tracklogs, routes, and allows to insert scanned images of map
GPS.gov - The Official U.S. Government Information Website About GPS The official U.S. government website providing comprehensive information about the Global Positioning System, its capabilities, and future developments.
NASA GPS Applications Exchange an online information source on the uses of GPS technology all over the world
NIST - Atomic Clocks and the Global Positioning System (GPS) Learn how basic research into atomic clocks and accurate time measurement significantly contributed to GPS	Other Global Navigation Satellite Systems (GNSS) | GPS.gov Provides an introduction and overview of the Global Positioning System (GPS) and other Global Navigation Satellite Systems (GNSS) like GLONASS and Galileo.
Sistemas de Información Geográfica Aplicación de consultas a datos con información geofísica de modelos digitales tridimensionales en ambientes cliente-servidor	You Are Here The NewsHour with Jim Lehrer looks at how this network of satellites is changing how we get from point A to point B. From 1998