Which is the most accurate satellite navigation system: GPS, GLONASS, Galileo, BeiDou, qzss, irnss NAVIC, …? - Quora
![China will make BeiDou Navigation Satellite System available to global users by 2020 | NextBigFuture.com China will make BeiDou Navigation Satellite System available to global users by 2020 | NextBigFuture.com](https://2.bp.blogspot.com/-taTLrCDXOy8/V3LDblKcraI/AAAAAAABKsA/JTIuhZPsaigk_ioh6ja1SUkr3S7O_V5QwCLcB/s1600/GPScompared.png)
China will make BeiDou Navigation Satellite System available to global users by 2020 | NextBigFuture.com
![Precise positioning with current multi-constellation Global Navigation Satellite Systems: GPS, GLONASS, Galileo and BeiDou | Scientific Reports Precise positioning with current multi-constellation Global Navigation Satellite Systems: GPS, GLONASS, Galileo and BeiDou | Scientific Reports](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fsrep08328/MediaObjects/41598_2015_Article_BFsrep08328_Fig1_HTML.jpg)
Precise positioning with current multi-constellation Global Navigation Satellite Systems: GPS, GLONASS, Galileo and BeiDou | Scientific Reports
![Amazon.com: SparkFun GPS-RTK-SMA Breakout-ZED-F9P (Qwiic)-Concurrent reception of GPS GLONASS Galileo BeiDou High precision GPS 10mm 3 dimensional accuracy Receives L1C/A & L2C bands Voltage:5V or 3.3V Logic:3.3V : Electronics Amazon.com: SparkFun GPS-RTK-SMA Breakout-ZED-F9P (Qwiic)-Concurrent reception of GPS GLONASS Galileo BeiDou High precision GPS 10mm 3 dimensional accuracy Receives L1C/A & L2C bands Voltage:5V or 3.3V Logic:3.3V : Electronics](https://m.media-amazon.com/images/I/71g56OwkxvL.jpg)
Amazon.com: SparkFun GPS-RTK-SMA Breakout-ZED-F9P (Qwiic)-Concurrent reception of GPS GLONASS Galileo BeiDou High precision GPS 10mm 3 dimensional accuracy Receives L1C/A & L2C bands Voltage:5V or 3.3V Logic:3.3V : Electronics
![Precise positioning with current multi-constellation Global Navigation Satellite Systems: GPS, GLONASS, Galileo and BeiDou | Scientific Reports Precise positioning with current multi-constellation Global Navigation Satellite Systems: GPS, GLONASS, Galileo and BeiDou | Scientific Reports](https://media.springernature.com/lw685/springer-static/image/art%3A10.1038%2Fsrep08328/MediaObjects/41598_2015_Article_BFsrep08328_Fig15_HTML.jpg)
Precise positioning with current multi-constellation Global Navigation Satellite Systems: GPS, GLONASS, Galileo and BeiDou | Scientific Reports
![Nominal constellation configuration of GPS, GLONASS, Galileo, and BDS. | Download Scientific Diagram Nominal constellation configuration of GPS, GLONASS, Galileo, and BDS. | Download Scientific Diagram](https://www.researchgate.net/publication/336849961/figure/tbl1/AS:818958580064261@1572266349827/Nominal-constellation-configuration-of-GPS-GLONASS-Galileo-and-BDS.png)
Nominal constellation configuration of GPS, GLONASS, Galileo, and BDS. | Download Scientific Diagram
![Calaméo - An Introduction to GNSS: GPS, GLONASS, Galileo and Other Global Navigation Satellite Systems Calaméo - An Introduction to GNSS: GPS, GLONASS, Galileo and Other Global Navigation Satellite Systems](https://i.calameoassets.com/200320000210-f9acd2894735ecf47f3a422a65fa148e/large.jpg)
Calaméo - An Introduction to GNSS: GPS, GLONASS, Galileo and Other Global Navigation Satellite Systems
![Coordinates : A resource on positioning, navigation and beyond » Blog Archive » The benefits of future GNSS Coordinates : A resource on positioning, navigation and beyond » Blog Archive » The benefits of future GNSS](https://mycoordinates.org/wp-content/uploads/2009/10/aug07_table2.gif)