Global Navigation Satellite Systems (GNSS)
Global Navigation Satellite Systems (GNSS) refer to a constellation of satellites providing signals from space that transmit positioning and timing data to GNSS receivers. The receivers then use this data to determine location. By definition, GNSS provides global coverage. Examples of GNSS include the United States' Global Positioning System (GPS), Russia's Global Orbiting Navigation Satellite System (GLONASS), the European Union's Galileo system, and China's BeiDou system. GNSS is critical in maritime contexts as it allows for precise navigation and positioning at sea, which is essential for safe and efficient maritime operations. It is used in various maritime applications including navigation, search and rescue operations, and vessel traffic services. GNSS technology has revolutionized maritime navigation, making it safer and more efficient by providing accurate and reliable positioning information.
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