Bulletin B
- IERS Bulletin B reports the "final" determinations for polar motion, UT1-UTC, and nutation
offsets at five-day intervals. Smoothed one-day values are also provided. IERS Bulletin B
is prepared by the IERS Earth Orientation Center based at the
Paris Observatory and is updated monthly.
- latest issue of IERS Bulletin B - updated monthly
- explanatory supplement to IERS Bulletins A and B
