BUREAU INTERNATIONAL DES POIDS ET MESURES INTERNATIONAL ATOMIC TIME MONTHLY RATES OF TAI-CLOCK FOR INTERVALS OF ONE MONTH ENDING AT THE GIVEN DATES (UNIT IS ns/day , 0.00 DENOTES THAT THE CLOCK WAS NOT USED) LAB. CLOCK 52759 52789 52819 52849 52879 52909 AUS 36 654 -24.53 -22.79 -24.25 -23.74 -22.88 -23.40 AUS 36 340 -0.79 -2.54 0.85 -1.93 -1.04 -0.43 AUS 36 299 19.39 19.79 19.94 18.32 19.66 19.37 AUS 36 1035 0.00 0.00 0.00 0.00 6.08 4.84 AUS 40 5402 0.00 0.00 0.00 0.00 5.07 -1.50 BEV 16 71 -10.17 -25.04 -42.98 -48.96 -11.91 -9.84 . BEV 35 1793 0.00 0.00 0.02 0.07 -0.99 0.88 BEV 35 1065 0.00 0.00 0.00 0.00 0.00 -1.54 CAO 35 939 0.00 0.00 -1.08 0.29 -1.19 -0.53 CAO 35 1270 0.00 0.00 -5.21 -6.02 -5.44 -6.87 CH 21 194 -26.25 -29.39 -23.69 -25.84 -26.17 -19.94 CH 36 354 46.04 45.05 45.27 46.13 45.74 43.27 CH 35 771 0.00 0.00 0.00 0.00 7.30 7.86 CH 40 5701 0.00 0.00 0.00 0.00 -52.81 -54.67 . CNM 35 1705 -0.73 -0.74 0.10 -0.05 -0.82 -0.07 CNM 36 1537 -19.73 -19.67 -18.78 -18.39 -19.81 -19.59 CNM 35 1815 0.72 0.25 0.20 0.38 0.90 0.86 CNM 40 7301 2.65 -0.65 -0.96 -1.53 -2.63 -7.75 CRL 35 144 16.25 15.26 15.84 15.53 15.93 15.19 CRL 35 332 14.13 14.71 14.18 14.78 15.98 14.63 CRL 35 343 14.17 12.44 13.48 13.27 14.78 12.76 CRL 35 732 2.28 2.54 3.31 2.04 4.44 3.71 CRL 35 112 -0.75 -0.94 -0.57 -0.12 0.18 0.10 CRL 35 342 7.91 7.57 7.75 8.48 7.57 8.71 CRL 35 1789 8.78 8.62 8.38 7.91 8.30 8.41 CRL 35 1790 -7.45 -8.66 -8.14 -7.87 -8.32 -8.30 CRL 35 1778 9.06 8.91 9.81 9.24 9.29 9.30 CRL 35 715 6.05 5.29 4.30 5.01 4.53 5.50 CRL 35 908 0.00 0.00 0.00 6.55 4.97 5.01 DLR 35 1714 0.00 0.00 0.00 0.00 -0.29 0.34 DTAG 36 136 14.52 13.47 11.47 14.05 16.67 14.11 DTAG 36 345 -12.72 -12.75 -11.70 -12.80 -12.58 -12.59 DTAG 36 465 -2.22 -1.78 -0.90 -1.18 -0.47 -1.27 IEN 35 219 15.26 14.74 15.30 15.03 15.32 14.55 IEN 35 1115 -6.78 -6.13 -6.66 -5.83 -5.12 -4.77 IEN 35 1373 1.59 -0.56 0.31 -8.49 0.24 0.44 IEN 35 505 -7.60 -8.59 -8.42 -8.41 -9.52 -9.19 IEN 40 1101 0.00 0.00 0.00 4.94 14.84 24.41 IEN 40 1102 0.00 0.00 0.00 0.00 71.25 8.49 . IFAG 36 1173 -1.03 1.44 -4.45 -4.69 -7.01 -2.97 IFAG 36 1167 -7.79 -7.51 -5.19 -3.70 -6.27 -3.70 IFAG 36 1629 4.88 6.06 3.74 4.42 5.18 5.39 IFAG 36 1732 -2.70 -3.02 -2.41 -2.41 -2.42 -1.71 IFAG 36 1798 -3.28 -2.34 -1.94 -1.40 -2.55 -2.71 IFAG 40 4418 0.89 4.80 8.27 10.00 10.92 14.01 MONTHLY RATES OF TAI-CLOCK (CONT.) LAB. CLOCK 52759 52789 52819 52849 52879 52909 IFAG 40 4401 0.00 0.00 0.00 0.00 21.42 36.40 . IFAG 40 4403 0.00 0.00 0.00 0.00 -0.58 10.56 . IGMA 16 112 39.37 46.91 39.36 49.02 32.74 39.96 . IGMA 35 676 -6.45 -5.98 -5.64 -5.95 -5.91 -5.69 IGMA 35 674 -0.27 -0.10 0.00 0.11 -0.10 -0.02 INPL 35 1652 0.00 0.00 0.00 0.00 -6.32 -5.38 JV 21 216 0.00 0.00 0.00 0.00 -26.55 -27.68 . JV 21 387 0.00 0.00 0.00 0.00 34.35 42.70 . JV 36 1277 0.00 0.00 0.00 0.00 -22.06 -24.29 . KRIS 36 321 4.54 4.68 5.01 4.94 5.11 2.91 KRIS 36 739 -12.92 -13.37 -14.34 -14.58 -13.22 -14.81 KRIS 36 1135 32.03 33.26 34.07 31.00 34.71 33.02 KRIS 40 5623 34.23 34.89 35.45 35.57 35.98 36.45 LDS 35 289 3.98 4.67 4.72 3.81 5.42 6.39 LT 35 1362 -0.02 -0.59 0.87 0.76 1.82 2.27 MSL 12 933 8.66 12.01 10.71 2.14 2.13 5.00 MSL 36 274 6.93 5.14 6.53 8.27 6.05 6.07 MSL 35 1025 0.00 0.00 0.00 0.00 -7.80 -8.85 NIM 35 479 4.11 4.04 4.10 4.13 3.92 4.04 NIM 35 1239 4.04 4.04 3.69 4.19 3.91 3.98 NIM 35 1238 3.57 3.56 3.81 3.51 3.49 3.75 NIMB 35 600 0.00 0.00 -3.65 -4.04 19.11 -1.24 . NIST 40 201 13.82 13.21 12.94 12.37 11.95 11.72 NIST 40 204 9.45 9.64 9.98 10.17 10.25 10.58 NIST 40 203 38.16 39.36 40.61 41.51 42.52 43.55 NIST 40 205 -24.10 -24.18 -24.17 -24.33 -24.50 -24.59 NIST 35 408 -0.90 -1.76 -0.93 -1.39 -1.92 -1.81 NIST 35 132 -0.24 -0.47 -0.14 -0.35 -0.69 -0.32 NIST 40 222 -11.16 -10.91 -10.62 -10.50 -10.30 -10.10 NIST 35 182 -11.43 -11.97 -10.41 -10.46 -11.17 -11.23 NIST 15 9866 -7.50 -10.69 -14.55 -20.07 -24.94 -29.97 NIST 35 1074 0.00 0.00 0.00 0.00 0.00 -24.20 . NMC 35 1501 -3.08 -3.46 -3.59 -2.66 -2.99 -1.84 NMIJ 35 224 -2.27 -1.94 -1.67 0.16 1.47 0.20 NMIJ 35 1273 -10.52 -10.20 -10.65 -10.07 -9.89 -9.72 NMIJ 35 1466 0.00 0.00 0.00 10.29 10.84 10.02 NMIJ 40 5014 0.00 0.00 0.00 -0.12 0.11 -0.06 NMIJ 35 459 0.00 0.00 0.00 -0.68 -0.37 -0.50 NMLS 35 1659 9.62 1.40 2.41 -0.91 1.18 0.40 NPL 40 1701 -0.38 -0.21 -0.09 -0.05 0.09 0.34 NPL 35 784 5.13 3.88 4.18 5.43 4.71 4.54 NPL 40 1708 2.34 3.57 3.94 3.78 3.87 3.95 NPL 35 1275 0.07 0.88 0.82 1.20 -0.27 -0.22 NPL 36 404 11.96 12.09 12.11 12.26 12.41 11.24 NPLI 35 725 0.00 0.00 0.00 -0.10 -0.10 8.04 NRC 90 61 -0.64 -0.11 0.02 0.22 -0.29 0.16 NRC 35 234 16.59 17.34 16.34 16.22 15.64 15.49 NRC 35 372 23.04 24.00 21.89 20.52 21.16 22.90 NTSC 35 1008 18.86 19.92 19.85 19.04 18.97 19.65 NTSC 35 1018 13.18 13.00 13.74 12.45 12.87 12.14 NTSC 35 1820 -11.33 -11.29 -10.81 -9.20 -8.18 -6.85 NTSC 35 1823 0.00 0.00 0.00 0.00 0.00 2.70 NTSC 35 1818 0.00 0.00 0.00 0.00 0.00 -24.59 . OMH 36 849 0.00 0.00 0.00 0.00 7.17 3.73 ONRJ 35 903 1.49 2.10 2.45 2.16 1.60 2.37 MONTHLY RATES OF TAI-CLOCK (CONT.) LAB. CLOCK 52759 52789 52819 52849 52879 52909 F 35 385 15.80 15.81 17.33 15.77 15.19 15.75 F 35 122 13.28 13.65 14.75 14.18 14.06 14.34 F 35 396 8.21 6.35 7.42 7.26 7.24 7.64 F 35 124 3.32 3.21 3.34 3.43 3.72 3.38 F 35 198 9.41 9.05 9.56 9.70 9.90 9.83 F 35 172 10.26 9.97 9.86 9.97 10.09 10.21 F 35 536 5.11 4.72 4.39 5.34 5.02 5.22 F 35 781 20.94 20.38 21.32 20.76 20.95 20.47 F 35 158 12.76 13.15 12.85 13.37 13.05 13.20 F 40 816 -25.84 -26.79 -25.41 -23.43 -18.41 -15.76 F 35 520 15.57 15.28 14.82 12.84 15.64 15.78 F 35 770 15.18 14.84 14.85 14.97 15.12 15.54 F 35 1556 -16.88 -18.39 -19.74 -19.61 -21.02 -19.26 F 35 131 15.19 15.24 15.68 14.87 15.49 15.26 F 40 805 -54.25 -54.49 -56.82 -61.32 -64.90 -65.09 F 35 1222 5.19 5.45 6.22 5.47 4.16 6.07 F 35 1029 0.00 16.66 15.45 16.24 16.91 16.50 F 35 1177 0.00 0.00 -14.81 -13.83 -13.67 -14.39 F 35 1178 0.00 0.00 4.69 4.82 4.84 5.26 F 35 819 0.00 0.00 6.08 5.96 4.37 4.46 F 35 489 0.00 0.00 0.00 19.16 20.34 19.54 F 35 1321 0.00 0.00 0.00 0.00 0.00 8.71 ORB 35 202 4.95 7.60 8.74 6.84 7.16 7.97 ORB 35 593 65.14 67.60 67.70 66.96 66.31 67.60 ORB 40 2601 -2.39 -2.49 -0.31 -1.03 -0.17 -1.17 ORB 35 201 2.04 5.00 3.31 2.99 3.91 3.36 PL 35 1120 0.85 -0.12 -0.54 -0.90 -0.79 -0.62 PL 35 761 -1.49 -4.18 -2.52 -0.48 -1.70 -1.11 PL 35 1660 -1.57 -1.98 -0.03 -0.23 0.84 1.09 PL 35 441 -0.78 -1.03 -1.01 -1.60 -2.64 -1.80 PL 35 1746 0.03 -0.82 0.15 -0.82 -0.02 -0.04 PL 35 1709 0.00 -0.01 0.14 -0.66 -1.00 -0.63 PL 35 502 0.00 0.00 0.00 -2.20 -2.30 -2.24 PTB 92 2 1.21 1.08 0.42 0.92 0.90 0.63 PTB 92 1 0.79 0.54 1.19 0.79 0.65 1.54 PTB 35 128 -2.57 -2.77 -2.28 -2.86 -2.90 -1.88 PTB 35 415 3.19 3.01 3.64 1.76 3.76 3.47 PTB 92 3 0.82 -0.37 0.92 0.10 0.97 0.79 PTB 40 505 -0.30 1.25 1.47 3.36 3.34 4.19 PTB 40 510 12.60 12.32 13.68 11.57 15.07 19.34 ROA 14 1569 49.35 52.04 57.99 61.09 59.86 57.71 ROA 36 1490 8.03 6.88 6.73 7.60 6.51 7.04 ROA 36 1488 7.39 6.35 5.55 7.50 4.58 5.70 ROA 35 583 -0.06 -0.57 -0.58 0.17 0.35 -0.01 ROA 35 718 -12.07 -11.65 -12.09 -13.55 -12.78 -12.86 SCL 35 621 -0.51 -0.07 0.64 0.45 0.73 -0.25 SCL 35 745 -8.19 -6.97 -6.60 -6.91 -6.44 -6.28 SG 35 1035 0.00 0.00 0.00 0.00 0.00 5.15 SG 35 1127 0.00 0.00 0.00 0.00 0.00 0.68 SG 36 522 0.00 0.00 0.00 0.00 0.00 9.97 SMU 36 1063 -4.21 -5.11 -5.42 -5.89 -5.89 -5.48 SP 36 1175 1.84 4.83 4.76 0.80 -1.27 -0.72 SP 19 197 77.74 73.26 69.38 73.86 75.67 81.59 SP 40 7218 -9.59 -12.53 -15.19 -18.39 -22.09 -24.52 SP 35 641 0.00 0.00 0.00 0.00 0.00 6.53 MONTHLY RATES OF TAI-CLOCK (CONT.) LAB. CLOCK 52759 52789 52819 52849 52879 52909 SP 40 7201 0.00 0.00 0.00 0.00 0.00 37.54 . SP 35 1188 0.00 0.00 0.00 0.00 0.00 14.90 . SP 35 1642 0.00 0.00 0.00 0.00 0.00 15.63 . SU 40 3802 10.32 10.29 10.91 11.37 11.67 12.19 SU 40 3805 60.87 61.41 61.44 61.43 61.55 61.83 SU 40 3810 55.45 56.89 58.48 59.46 58.38 58.26 SU 40 3837 38.22 38.50 38.70 39.24 39.03 40.13 SU 40 3825 70.82 72.29 73.25 74.34 75.39 76.36 SU 40 3827 67.88 68.35 68.71 68.45 68.79 68.51 SU 40 3831 16.28 16.61 17.18 18.36 19.37 19.60 SU 40 3803 -27.66 -28.05 -28.45 -28.86 -29.45 -29.95 SU 40 3807 83.68 82.78 82.76 82.82 83.34 83.03 TCC 35 1028 -6.68 -7.25 -6.12 -7.11 -4.62 -5.90 TCC 40 8624 -12.77 -13.72 -13.34 -13.99 -14.56 -16.21 TCC 40 8620 13.18 14.26 15.71 16.51 17.61 17.06 TL 35 1500 8.95 8.53 9.06 8.02 8.63 9.03 TL 35 1498 14.35 14.41 14.69 13.85 14.41 13.78 TL 35 160 -9.51 -8.68 -8.85 -9.94 -8.40 -8.71 TL 35 300 9.90 9.64 9.65 9.00 8.25 7.98 TL 35 1712 0.43 0.21 -0.05 0.39 0.99 0.51 TL 35 474 22.54 21.90 21.94 21.22 22.04 22.05 TP 36 154 12.27 13.15 12.89 12.51 12.18 12.54 TP 35 1227 2.73 2.97 3.93 3.83 3.98 3.90 TP 35 326 -20.99 -22.26 -21.11 -21.47 -21.42 -20.71 USNO 40 710 40.45 40.71 40.99 41.47 41.95 42.40 USNO 40 708 17.45 17.66 18.06 18.42 18.71 19.03 USNO 40 711 140.31 142.26 144.09 145.82 147.48 149.18 USNO 40 713 -5.38 -5.14 -4.94 -4.77 -4.52 -4.28 USNO 35 1097 11.05 11.10 9.59 9.89 9.98 9.18 USNO 40 715 -13.72 -13.55 -13.36 -13.12 -12.96 -12.76 USNO 35 165 1.96 1.53 0.82 1.47 1.54 0.30 USNO 40 701 -27.64 -27.56 -27.52 -27.54 -27.52 -27.50 USNO 35 161 -18.23 -18.06 -18.23 -17.98 -18.69 -18.12 USNO 35 1096 26.32 26.69 26.68 25.66 27.55 26.45 USNO 35 152 10.59 12.08 11.90 11.84 11.58 11.34 USNO 35 166 -3.07 -2.96 -2.28 -2.52 -2.76 -1.60 USNO 35 104 17.56 18.92 17.90 18.56 17.35 17.58 USNO 35 108 9.07 8.90 9.75 9.08 10.45 9.11 USNO 35 213 7.07 6.20 6.99 7.10 6.21 6.40 USNO 35 392 8.11 7.18 7.79 7.86 7.28 8.05 USNO 35 242 19.54 20.23 20.33 20.15 20.03 20.06 USNO 35 229 8.59 9.00 8.47 8.92 9.53 10.00 USNO 35 763 -16.07 -15.21 -15.25 -15.15 -15.12 -15.05 USNO 35 253 8.20 8.32 8.70 9.43 8.99 9.73 USNO 35 225 -0.90 -0.95 -1.54 -1.57 -1.56 -1.09 USNO 35 244 18.00 18.95 18.43 18.36 18.42 18.42 USNO 35 233 -0.39 -0.10 -0.65 -0.41 -0.91 -0.08 USNO 35 256 13.83 13.82 12.64 13.78 13.04 12.77 USNO 35 1462 9.73 10.21 9.52 10.49 10.16 9.71 USNO 35 1463 10.39 10.46 10.64 10.74 10.56 9.99 USNO 35 270 -10.51 -11.13 -11.12 -11.48 -10.75 -11.05 USNO 35 120 -1.35 -0.08 -0.32 0.20 -0.29 -0.75 USNO 35 146 -3.18 -3.35 -1.59 -2.07 -3.10 -2.26 USNO 40 716 205.24 205.28 205.24 205.21 205.23 205.26 USNO 35 226 19.77 20.84 20.97 20.92 21.34 20.69 MONTHLY RATES OF TAI-CLOCK (CONT.) LAB. CLOCK 52759 52789 52819 52849 52879 52909 USNO 35 1481 3.50 3.47 2.74 3.70 4.63 3.50 USNO 40 702 -10.45 -10.41 -9.73 -8.99 -10.15 -10.13 USNO 35 1459 -2.74 -2.45 -2.70 -2.72 -2.54 -3.41 USNO 40 714 -40.97 -40.75 -40.57 -40.30 -40.10 -39.78 USNO 35 148 12.67 12.04 12.44 11.48 12.60 11.55 USNO 35 142 4.71 5.31 5.40 5.38 4.93 4.37 USNO 35 150 5.32 5.92 5.64 5.64 6.49 7.23 USNO 35 156 15.28 16.53 15.78 16.79 16.10 17.05 USNO 35 1331 -4.85 -5.36 -5.45 -3.91 -3.94 -4.73 USNO 35 249 3.50 4.46 4.31 3.65 4.62 4.34 USNO 35 279 1.04 1.75 1.51 1.44 1.24 1.90 USNO 35 268 2.94 2.33 2.11 3.78 2.97 2.49 USNO 35 173 -12.47 -12.18 -12.45 -12.20 -12.61 -12.58 USNO 35 164 -4.19 -4.41 -3.92 -4.89 -4.32 -4.79 USNO 35 1327 8.39 8.98 9.39 8.93 8.32 8.94 USNO 35 1328 5.63 6.47 5.44 5.62 5.34 5.86 USNO 35 1543 8.59 8.38 8.60 9.27 9.56 8.79 USNO 35 1575 -2.52 -2.84 -2.80 -2.82 -2.39 -2.08 USNO 35 254 9.22 9.07 8.67 9.31 9.10 9.10 USNO 40 718 119.05 118.71 118.47 118.25 117.99 117.81 USNO 35 227 5.53 5.20 5.30 5.12 5.58 5.33 USNO 35 101 -4.95 -5.02 -5.39 -5.10 -5.19 -4.23 USNO 35 1698 13.01 13.14 12.96 13.15 13.33 12.45 USNO 35 1696 3.77 3.67 3.38 4.07 3.60 3.54 USNO 35 1692 5.58 5.58 5.42 4.84 4.89 4.89 USNO 35 765 -7.59 -7.57 -7.69 -7.88 -7.03 -6.90 USNO 35 153 14.34 13.71 13.34 14.10 13.47 13.14 USNO 35 1438 2.37 2.40 2.21 2.04 2.02 1.49 USNO 35 394 11.51 11.74 11.44 11.16 11.64 11.45 USNO 35 416 -23.57 -23.48 -23.35 -23.30 -23.62 -23.88 USNO 35 389 -24.15 -23.89 -24.02 -25.01 -25.43 -25.63 USNO 35 417 9.50 8.96 9.53 9.56 9.09 8.15 USNO 35 1655 -13.11 -13.47 -13.79 -13.39 -13.44 -13.48 USNO 35 762 -4.66 -4.19 -4.95 -4.57 -4.37 -4.52 USNO 35 231 -11.20 -11.78 -11.83 -10.36 -9.83 -9.59 USNO 40 704 6.88 6.98 7.26 7.33 7.40 7.63 USNO 40 705 -43.67 -43.92 -44.06 -44.23 -44.49 -44.52 USNO 35 1573 7.00 6.95 6.84 5.86 6.73 7.17 USNO 35 1468 -0.62 -0.22 -0.20 0.10 -0.96 -1.12 USNO 35 703 -7.99 -8.46 -8.06 -8.22 -7.95 -7.64 USNO 40 719 -56.06 -54.78 -53.47 -52.31 -51.30 -50.24 USNO 35 1697 -0.77 0.12 -0.19 -1.13 -0.01 0.08 USNO 35 717 -14.57 -14.71 -14.88 -14.87 -14.06 -14.09 USNO 40 712 -5.21 -5.04 -4.96 -4.92 -4.86 -4.76 USNO 35 1125 21.85 21.70 21.39 20.59 20.93 21.44 USNO 40 709 0.00 -24.73 -25.36 -25.25 -25.08 -24.82 USNO 35 260 0.00 13.05 12.01 13.25 13.80 13.40 USNO 35 1694 0.00 0.00 0.41 0.45 0.10 0.18 USNO 40 703 0.00 0.00 0.00 0.00 -98.85 -98.90 . USNO 35 114 0.00 0.00 0.00 0.00 -98.78 -97.99 . USNO 40 720 0.00 0.00 0.00 0.00 -46.70 -47.82 . USNO 35 167 0.00 0.00 0.00 0.00 0.00 4.29 USNO 35 169 0.00 0.00 0.00 0.00 0.00 -10.70 . VSL 35 179 9.22 9.13 8.78 8.31 7.11 7.13 VSL 35 548 10.17 9.80 11.65 11.22 11.42 11.00 MONTHLY RATES OF TAI-CLOCK (CONT.) LAB. CLOCK 52759 52789 52819 52849 52879 52909 VSL 35 731 16.65 17.09 16.84 16.84 16.77 17.16 VSL 35 456 19.80 17.68 16.97 16.54 16.73 16.13 The clocks are designated by their type (2 digits) and serial number in the type. The codes for the types are: 12 HEWLETT-PACKARD 5061A 21 OSCILLOQUARTZ 3210 13 EBAUCHES, OSCILLATOM B5000 23 OSCILLOQUARTZ EUDICS 3020 14 HEWLETT-PACKARD 5061A OPT. 4 30 HEWLETT-PACKARD 5061B 16 OSCILLOQUARTZ 3200 31 HEWLETT-PACKARD 5061B OPT. 4 17 OSCILLOQUARTZ 3000 34 H-P 5061A/B with 5071A tube 15 DATUM/SYMMETRICOM Cs III 35 AGILENT 5071A High perf. 4x HYDROGEN MASERS 36 AGILENT 5071A Low perf. 9x PRIMARY CLOCKS AND PROTOTYPES 50 FREQ. AND TIME SYSTEMS INC. 4065A