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2. GNSS applications - Wikipedia

   en.wikipedia.org/wiki/GNSS_applications

   Global Navigation Satellite System (GNSS) receivers, using the GPS, GLONASS, Galileo or BeiDou system, are used in many applications. The first systems were developed in the 20th century, mainly to help military personnel find their way, but location awareness soon found many civilian applications.

3. Satellite navigation - Wikipedia

   en.wikipedia.org/wiki/Satellite_navigation

   GNSS systems that provide enhanced accuracy and integrity monitoring usable for civil navigation are classified as follows: [5] GNSS-1 is the first generation system and is the combination of existing satellite navigation systems (GPS and GLONASS), with Satellite Based Augmentation Systems (SBAS) or Ground Based Augmentation Systems (GBAS). [5]

4. Assisted GNSS - Wikipedia

   en.wikipedia.org/wiki/Assisted_GNSS

   When applied to GPS, it is known as assisted GPS or augmented GPS (abbreviated generally as A-GPS and less commonly as aGPS). Other local names include A-GANSS for Galileo and A-Beidou for BeiDou. A-GPS is extensively used with GPS-capable cellular phones , as its development was accelerated by the U.S. FCC 's 911 requirement to make cell phone ...

5. Spirent Demonstrates Combined Support for GPS, GLONASS ... - AOL

   www.aol.com/news/2013-09-19-spirent-demonstrates...

   Spirent Demonstrates Combined Support for GPS, GLONASS, Galileo and BeiDou Signal Testing at ION GNSS+ 2013 Demonstration reflects desire to combine GPS with other satellite constellations and ...

6. China's BeiDou and Russian GLONASS sign new deal to rival ...

   www.aol.com/news/chinas-beidou-russian-glonass...

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7. GLONASS - Wikipedia

   en.wikipedia.org/wiki/GLONASS

   Additional open signals are being studied for these satellites, based on frequencies and formats used by existing GPS, Galileo, and Beidou/COMPASS signals: open signal L1OCM using BOC(1,1) modulation centered at 1575.42 MHz, similar to modernized GPS signal L1C, Galileo signal E1, and Beidou/COMPASS signal B1C;

8. PCTEL Launches Global Navigation Satellite System (GNSS ... - AOL

   www.aol.com/news/2013-09-18-pctel-launches...

   PCTEL Launches Global Navigation Satellite System (GNSS) Antennas for GPS, GLONASS, BEIDOU, and GALILEO Applications New Multi-Band Antennas Facilitate Global Network Timing and Precision ...

9. Galileo (satellite navigation) - Wikipedia

   en.wikipedia.org/wiki/Galileo_(satellite_navigation)

   Like Russia's Glonass, the United States' Global Positioning System (GPS) satellites, and some Chinese BeiDou satellites, Galileo satellites are equipped with a transponder which relays 406 MHz distress frequency signals from emergency beacons by a Forward Link Service (FLS) to the Rescue coordination centre, which will then initiate a rescue ...