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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.
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Learn more about the RT Working Group and Real Time Service.
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The International GNSS Service (IGS) has ensured open access, high-quality GNSS data products since 1994.
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