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BIPM Circular T: updated format and new information

BIPM Circular T number 437, published in June 2024, includes an update to the treatment of time transfer uncertainty, which will allow it to deal with equipment that has not been calibrated.

Additionally, section 4, which reports the difference between UTC and its prediction broadcast by GNSS will now report Galileo and Beidou system data along with GPS and GLONASS.

BIPM Circular T

The European Union Agency for the Space Programme has issued a news story relating to the changes.

A leap for Galileo Timing: Recognition by BIPM