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NIST USNO 2006 Archive
UTC(USNO) - UTC(NIST)
The United States Naval Observatory (USNO) and the National Institute of Standards and Technology (NIST) make regular comparisons of their respective time scales. These comparisons are made using GPS common-view measurements from up to approximately 10 GPS satellites. The table below lists recent differences between the two time scales.
Weekly UTC(USNO, Master Clock) - UTC(NIST)Values
| Date | MJD |
UTC(USNO)-UTC(NIST) (+/- 20 nanoseconds) |
|---|---|---|
| 2006-12-28 | 54097 | 24 ns |
| 2006-12-21 | 54090 | 22 ns |
| 2006-12-14 | 54083 | 20 ns |
| 2006-12-07 | 54076 | 16 ns |
| 2006-11-30 | 54069 | 12 ns |
| 2006-11-23 | 54062 | 9 ns |
| 2006-11-16 | 54055 | 6 ns |
| 2006-11-09 | 54048 | 0 ns |
| 2006-11-02 | 54041 | -6 ns |
| 2006-10-26 | 54034 | -11 ns |
| 2006-10-19 | 54027 | -15 ns |
| 2006-10-12 | 54020 | -16 ns |
| 2006-10-05 | 54013 | -16 ns |
| 2006-09-28 | 54006 | -13 ns |
| 2006-09-21 | 53999 | -10 ns |
| 2006-09-14 | 53992 | -6 ns |
| 2006-09-07 | 53985 | -5 ns |
| 2006-08-31 | 53978 | -3 ns |
| 2006-08-24 | 53971 | -2 ns |
| 2006-08-17 | 53964 | -1 ns |
| 2006-08-10 | 53957 | 1 ns |
| 2006-08-03 | 53950 | 2 ns |
| 2006-07-27 | 53943 | 3 ns |
| 2006-07-20 | 53936 | 3 ns |
| 2006-07-13 | 53929 | 7 ns |
| 2006-07-06 | 53922 | 8 ns |
| 2006-06-29 | 53915 | 11 ns |
| 2006-06-22 | 53908 | 14 ns |
| 2006-06-15 | 53901 | 15 ns |
| 2006-06-08 | 53894 | 16 ns |
| 2006-06-01 | 53887 | 17 ns |
| 2006-05-25 | 53880 | 18 ns |
| 2006-05-18 | 53873 | 19 ns |
| 2006-05-11 | 53866 | 20 ns |
| 2006-05-04 | 53859 | 19 ns |
| 2006-04-27 | 53852 | 18 ns |
| 2006-04-20 | 53845 | 19 ns |
| 2006-04-13 | 53838 | 18 ns |
| 2006-04-06 | 53831 | 15 ns |
| 2006-03-30 | 53824 | 12 ns |
| 2006-03-23 | 53817 | 11 ns |
| 2006-03-16 | 53810 | 7 ns |
| 2006-03-09 | 53803 | 6 ns |
| 2006-03-02 | 53796 | 3 ns |
| 2006-02-23 | 53789 | 2 ns |
| 2006-02-16 | 53782 | 1 ns |
| 2006-02-09 | 53775 | 0 ns |
| 2006-02-02 | 53768 | 2 ns |
| 2006-01-26 | 53761 | 1 ns |
| 2006-01-19 | 53754 | 0 ns |
| 2006-01-12 | 53747 | 3 ns |
| 2006-01-05 | 53740 | 5 ns |