View and learn more about the global network of all IGS ground tracking stations.
Download Map and Station lists, Propose a new IGS site and more
Access Station Guidelines, the Site Log Manager User Guide, and more.
Visit our secure, https file access to view station info, logs, formats, and more
Products derived from GNSS data archived in the CDDIS are generated and submitted by the IGS analysis and associate analysis centers.
Learn more about GNSS data and products derived from it.
View Daily, Hourly, High Rate, Ephemerides, MGEX, and Real-Time data.
Access data from IGS Data Centers and learn more
Learn more about the RT Working Group and Real Time Service.
View the latest IGS Formats and Standards
View all IGS Documents
View the latest IGS Annual Technical Reports
View the IGS 2021+ Strategic Plan
Learn how to become an Associate Member.
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The International GNSS Service (IGS) has ensured open access, high-quality GNSS data products since 1994.
The 56th IGS Governing Board Meeting.
Location: Virtual | Date: 2020-08-25
