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Types of gps

China Peoples Republic of China
China Peoples Republic of China

The People's Republic of China is commonly known as China and the Republic of China is commonly known as Taiwan. These are separate states with a shared history; China claims sovereignty over Taiwan. After the Kuomintang reunified China in 1928, most of mainland China was governed by the Republic of China (ROC).

source: diffen.com
European Union (Galileo)
European Union (Galileo)

While European independence is a principal objective of the programme, Galileo also gives Europe a seat at the rapidly expanding GNSS global table. The programme is designed to be compatible with all existing and planned GNSS and interoperable with GPS and GLONASS.

source: gsa.europa.eu
India (IRNSS)
India (IRNSS)

The Indian Regional Navigation Satellite System (IRNSS) with an operational name of NAVIC ("sailor" or "navigator" in Sanskrit, Hindi and many other Indian languages, which also stands for NAVigation with Indian Constellation) is an autonomous regional satellite navigation system, that provides accurate real-time positioning and timing services.

image: worldhab.com
Japan (QZSS)
Japan (QZSS)

The Quasi-Zenith Satellite System (QZSS) (or Juntencho eisei shisutemu (準天頂衛星システム) in Japanese) is a project of the Japanese government for the development of a four-satellite regional time transfer system and a satellite-based augmentation system for the United States operated Global Positioning System (GPS) to be receivable in the Asia-Oceania regions, with a focus on Japan.

Russia (GLONASS)
Russia (GLONASS)

And it is more useful in northern latitudes as Russia started GLONASS originally for Russia. The accuracy is an advantage of GLONASS with up-to 2 meter of accuracy. GPS + GLONASS allows your device to be pin pointed by a group of 55 satellites all across the globe.

source: beebom.com
United States
United States

United States Policy Since the 1980s, multiple U.S. presidents have issued consistent policies encouraging the worldwide use of GPS for peaceful purposes. Congress has enacted elements of these policies as permanent law.

source: gps.gov