Nautical Almanac Office Shanghai Observatory Pulkovo Observatory / Jing Jin Zinovy Malkin Dennis McCarthy Jeffrey Percival Patrick Wallace United States Naval Observatory / Telescope National Facility Paris Observatory / Observatory University of Wisconsin Rutherford Appleton Laboratory / /
IndustryTerm
reference systems / pragmatic solution / /
Organization
U.S. Securities and Exchange Commission / International Astronomical Union / University of Wisconsin / /
Person
DAT DTDB / Anne-Marie Gontier George Hobbs Catherine / George Hobbs Catherine Hohenkerk / John Bangert Mark Calabretta / TAI TT / Julian Dates / Mark Calabretta Anne-Marie / / /