Learning guide

GPS, GLONASS, Galileo, and BeiDou—and why tracking all four matters for RTK positioning.

Learning guide

Navigating Precision: The Role of GPS, GLONASS, Galileo, and BeiDou in RTK GNSS Positioning

In high accuracy GNSS mapping there are 4 satellite constellations covering the globe providing positioning services. The four major players – GPS, GLONASS, Galileo, and BeiDou – are critical for Real-Time Kinematic (RTK) GNSS positioning. Each of these constellations brings unique strengths, additional coverage, and when combined provide a robust and reliable network contributing to the accuracy and efficiency of RTK GNSS applications.

GPS (Global Positioning System):

GLONASS (Global Navigation Satellite System):

Galileo:

BeiDou:

RTK GNSS Positioning and the Collective Power:

In conclusion, the integration of GPS, GLONASS, Galileo, and BeiDou in RTK GNSS positioning receivers is enabling precision data collection in environments before thought impossible. The collaboration of these constellations not only ensures centimeter-level accuracy but also fortifies the reliability, availability, and performance of RTK GNSS applications across diverse landscapes. As the use of RTK technology integrates more into our tools, the collective power of these constellations will continue to enable efficient use of high-precision positioning systems in real world applications.

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Next guide: Datums, Projections, and Coordinate Systems. Or talk to our team about how this applies to your crews and equipment.