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  • United States Naval Observatory (category Astrometry)
    The Naval Observatory performs radio VLBI-based positions of quasars for astrometry and geodesy with numerous global collaborators (IERS), in order to produce
    38 KB (3,071 words) - 23:42, 21 December 2024
  • Maritime Operations, Aviation Operations, Navigation, Precise Time, and Astrometry. The oceanographer of the Navy works closely with the staff of CNMOC to
    8 KB (1,018 words) - 23:52, 17 December 2024