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2. Satellite navigation - Wikipedia

   en.wikipedia.org/wiki/Satellite_navigation

   GNSS-2 is the second generation of systems that independently provide a full civilian satellite navigation system, exemplified by the European Galileo positioning system. [5] These systems will provide the accuracy and integrity monitoring necessary for civil navigation; including aircraft.

3. Satellite navigation device - Wikipedia

   en.wikipedia.org/wiki/Satellite_navigation_device

   Vehicle navigation on a personal navigation assistant Garmin eTrex10 edition handheld. A satellite navigation device or satnav device, also known as a satellite navigation receiver or satnav receiver or simply a GPS device, is a user equipment that uses satellites of the Global Positioning System (GPS) or similar global navigation satellite systems (GNSS).

4. List of satellites in geosynchronous orbit - Wikipedia

   en.wikipedia.org/wiki/List_of_satellites_in...

   Specifically, geosynchronous Earth orbit (GEO) may be a synonym for geosynchronous equatorial orbit, [2] or geostationary Earth orbit. [3] To avoid confusion, geosynchronous satellites that are not in geostationary orbit are sometimes referred to as being in an inclined geostationary orbit (IGSO) .

5. GNSS applications - Wikipedia

   en.wikipedia.org/wiki/GNSS_applications

   Mapping and geographic information systems (GIS) — Most mapping grade GNSS receivers use the carrier wave data from only the L1 frequency, but have a precise crystal oscillator which reduces errors related to receiver clock jitter. This allows positioning errors on the order of one meter or less in real-time, with a differential GNSS signal ...

6. List of GPS satellites - Wikipedia

   en.wikipedia.org/wiki/List_of_GPS_satellites

   Samples of three GPS satellites' orbits over a five-year period (2013 to 2018) USA-242 · USA-239 · USA-151 · Earth As of 15 August 2023, 83 Global Positioning System navigation satellites have been built: 31 are launched and operational, 3 in reserve or testing, 42 are retired, 2 were lost during launch, and 1 prototype was never launched. 4 Block III satellites have completed construction ...

7. GNSS augmentation - Wikipedia

   en.wikipedia.org/wiki/GNSS_augmentation

   The US Nationwide Differential GPS System (NDGPS) was an augmentation system for users on U.S. land and waterways. It was replaced by [dubious – discuss] NASA's Global Differential GPS (GDGPS) system, which supports a wide range of GNSS networks beyond GPS. The same GDGPS system underlies WAAS and A-GNSS implementation in the US. [11]

8. Sports News & latest headlines from every league - AOL.com

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   Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.

9. Assisted GNSS - Wikipedia

   en.wikipedia.org/wiki/Assisted_GNSS

   Assisted GNSS (A-GNSS) is a GNSS augmentation system that often significantly improves the startup performance—i.e., time-to-first-fix (TTFF)—of a global navigation satellite system (GNSS). A-GNSS works by providing the necessary data to the device via a radio network instead of the slow satellite link, essentially "warming up" the receiver ...