Access to the CSRS Online Database is free but requires a Username and Password.

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The CSRS Online Database allows users direct access to

• the RINEX and Precise Ephemeris files;
• the primary horizontal and vertical control networks archived on the Canadian Geodetic Information System (CGIS),
• the Canadian Gravity Standardization Net (CGSN),
• selected Canadian Geodetic Service software/data, (NTv2, GPS·H and TRNOBS) and
• the CSRS - Precise Point Positioning (PPP) online GPS processing.