Reference Systems

The International Committee on Global Navigation Satellite Systems (ICG) noted a proposal to establish links with national and regional authorities and relevant international organizations, particularly in developing countries. A working group will be established to develop a strategy for support of regional reference systems.

UN-GGIM: Subcommittee on Geodesy - Global Survey on Geodetic Reference Frame Competency

Templates on Geodetic and Timing References

Global Navigation Satellite Systems Timescale Descriptions

Regional Navigation Satellite System/Satellite-based Augmentation System Timescale Descriptions

IGS Timescale Description

Global Navigation Satellite Systems Reference Frames Descriptions

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