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 51599 51634 51664 51694 51724 51754 AMC 35 765 -7.68 -7.26 -6.47 -6.81 -6.97 -7.15 AMC 40 713 -13.40 -13.31 -13.12 -12.85 -12.49 -12.36 AMC 35 173 -14.64 -14.96 -14.88 -15.21 -14.06 -14.67 AMC 35 389 -31.46 -32.36 -30.97 -30.62 -30.51 -31.16 AMC 35 703 -8.06 -7.85 -6.90 -6.69 -6.99 -6.38 AMC 35 231 3.20 3.29 4.10 3.71 2.28 1.86 AMC 35 763 -15.79 -15.70 -16.33 -16.39 -15.87 -16.83 AMC 40 716 0.00 0.00 242.34 242.98 243.18 242.63 AMC 35 717 0.00 0.00 0.00 -10.59 -10.82 -9.71 AMC 35 266 0.00 0.00 0.00 -12.67 -13.22 -14.24 AMC 35 762 0.00 0.00 0.00 -27.67 -26.68 -28.88 AMC 40 714 0.00 0.00 0.00 0.00 -45.53 -45.50 AMC 35 416 0.00 0.00 0.00 0.00 0.00 -24.34 AOS 23 67 -34.68 12.99 -18.26 -16.02 -16.90 -18.31 APL 35 904 0.00 5.86 6.65 6.34 6.02 5.30 AUS 35 299 0.04 0.70 -3.10 -2.72 -2.54 -2.90 AUS 36 654 -29.74 -28.93 -28.51 -28.34 -29.72 -28.38 AUS 36 340 -1.72 -2.60 -3.35 -3.19 -3.92 -3.78 AUS 36 1141 -0.72 -0.02 -0.46 -0.83 -0.06 -0.13 AUS 36 1035 0.00 0.00 0.00 0.00 0.00 5.95 AUS 40 5403 0.00 0.00 0.00 0.00 0.00 5.37 CAO 35 939 -0.23 1.81 -0.15 1.62 1.27 -0.05 CH 21 217 121.82 123.59 115.23 116.84 118.53 119.10 CH 17 206 -1.25 6.51 10.31 8.54 15.31 18.55 CH 21 194 -54.88 -56.76 -57.47 -57.45 -51.99 -55.33 CH 21 179 17.97 18.49 21.08 22.16 23.72 18.81 CH 31 403 -65.50 -65.84 -62.40 -63.74 -63.89 -63.40 CH 36 354 54.57 55.68 55.13 55.81 55.60 54.15 CH 35 413 20.52 20.48 21.70 20.46 21.55 20.92 CNM 35 382 0.33 -1.56 -1.21 -0.50 -0.29 -0.21 CNM 35 237 0.88 2.19 2.16 2.07 1.93 0.92 CRL 35 715 -0.13 -0.50 -0.27 -0.23 -1.15 -1.55 CRL 35 908 10.59 9.76 10.33 10.80 10.95 11.26 CRL 35 112 21.04 20.77 20.58 20.89 20.51 21.13 CRL 35 144 16.02 15.28 15.98 15.18 15.80 15.53 CRL 35 907 15.68 14.56 14.71 15.05 14.48 15.45 CRL 35 342 6.46 6.20 6.15 6.38 6.61 6.77 CRL 35 332 0.00 12.40 10.23 10.44 8.68 9.02 CRL 35 343 0.00 14.34 12.40 11.68 11.12 10.65 CRL 35 732 0.00 0.00 -0.05 -1.54 -0.44 -1.46 CRL 40 2008 0.00 0.00 0.00 0.00 28.12 30.23 CSAO 35 1016 -0.71 0.20 0.00 0.41 -0.48 -0.30 CSAO 35 1008 9.77 11.15 11.07 11.78 11.54 11.32 CSAO 35 1007 -7.15 -7.65 -7.69 -7.36 -8.79 -8.47 CSAO 35 1011 -4.19 -4.10 -4.81 -3.82 -5.33 -5.23 MONTHLY RATES OF TAI-CLOCK (CONT.) LAB. CLOCK 51599 51634 51664 51694 51724 51754 CSAO 35 1017 1.86 2.35 1.95 1.21 0.56 0.91 CSAO 35 1018 16.44 16.77 16.07 15.86 15.81 15.12 DLR 40 7424 -32.99 -33.69 -34.00 -34.01 -33.61 -34.07 DTAG 36 345 -0.54 -0.45 -1.85 -0.87 -2.15 -1.24 DTAG 36 136 0.00 0.00 0.00 0.00 0.06 -0.09 DTAG 36 465 0.00 0.00 0.00 0.00 -0.04 0.52 GUM 35 441 -2.27 -3.41 -4.69 -5.69 -4.39 0.62 GUM 35 502 -6.30 -6.45 -6.73 -5.79 -5.53 -7.82 GUM 31 652 -11.56 -18.07 -11.95 -23.64 -24.29 -60.58 GUM 35 1120 -13.28 -13.49 -13.06 -12.39 -9.79 -13.27 GUM 35 761 -2.52 -0.18 0.90 0.96 0.87 -0.43 GUM 35 745 1.27 -2.41 4.20 1.30 2.80 3.35 IEN 35 505 0.32 -0.04 -0.49 0.51 -1.01 0.41 IEN 35 1115 -10.93 -10.10 -10.58 -9.87 -11.12 -10.24 IEN 35 1373 7.09 5.88 5.88 5.51 7.01 5.90 IFAG 36 1173 1.59 0.70 -2.85 -5.16 -1.44 -1.31 IFAG 36 1034 -13.00 -12.81 -7.25 -11.94 -12.77 -11.27 IFAG 40 4403 0.00 0.00 0.00 0.00 0.00 54.95 IFAG 40 4413 0.00 0.00 0.00 0.00 0.00 -21.40 IFAG 40 4401 0.00 0.00 0.00 0.00 0.00 9.27 IGMA 14 2403 -8.10 -2.76 7.47 -6.62 -9.85 -18.68 IGMA 16 112 51.16 43.54 42.38 33.49 46.48 48.00 IGMA 35 645 13.68 13.17 14.08 13.84 14.41 12.97 IGMA 35 631 16.09 15.98 17.38 17.42 16.04 16.00 IPQ 35 1030 8.44 9.06 9.74 9.98 10.01 9.70 IPQ 35 615 10.73 10.90 10.15 10.38 10.10 10.24 IPQ 35 125 0.00 0.00 0.00 29.23 28.32 28.10 KRIS 36 321 7.14 4.53 5.66 3.71 5.92 3.75 KRIS 36 739 -11.52 -12.41 -11.69 -10.36 -10.84 -11.59 KRIS 40 5623 26.33 26.26 26.83 26.79 27.57 27.91 KRIS 36 1135 9.40 11.11 9.53 9.87 11.16 15.47 MSL 12 933 25.45 19.24 31.87 25.37 26.11 18.02 MSL 36 274 11.14 8.65 6.51 4.56 5.93 4.65 MSL 35 1025 0.00 0.00 0.00 0.00 -11.22 -10.50 NAO 35 779 17.06 17.04 17.02 17.41 17.66 16.34 NAO 35 1214 7.05 7.76 6.70 7.53 8.34 8.12 NAO 14 1315 -81.92 -98.14 -107.54 -121.38 -129.03 -122.83 NAO 35 1206 8.08 8.64 8.85 8.53 8.09 8.36 NIM 35 479 0.00 0.00 0.00 0.00 0.00 11.15 NIM 35 1239 0.00 0.00 0.00 0.00 0.00 9.86 NIM 35 1238 0.00 0.00 0.00 0.00 0.00 3.77 NIST 40 222 -739.34 -739.28 -739.52 -739.42 -738.02 -736.80 NIST 35 1074 -8.63 -9.16 -9.32 -9.37 -9.09 -9.15 NIST 40 201 23.71 24.13 24.25 24.70 25.08 25.49 NIST 40 203 7.54 8.02 8.10 8.80 9.24 9.72 NIST 40 205 -15.39 -15.73 -16.42 -16.70 -17.04 -17.37 NIST 35 132 0.00 0.00 0.00 0.00 -2.89 -3.30 NIST 40 204 0.00 0.00 0.00 0.00 -2.11 -1.73 NPL 40 1701 -0.97 -0.82 -0.42 -0.02 -0.06 0.09 NPL 35 784 5.86 5.22 4.92 5.26 5.60 5.02 NPL 40 1708 -0.96 -0.98 -1.03 -0.61 -0.49 -0.33 NPL 36 404 13.25 12.81 13.13 14.25 13.48 12.40 NRC 90 61 0.43 1.18 0.27 0.33 -0.50 -0.39 NRC 40 304 11.12 11.07 10.96 10.88 10.84 10.65 NRC 40 303 5.34 8.61 12.07 13.71 14.41 7.32 MONTHLY RATES OF TAI-CLOCK (CONT.) LAB. CLOCK 51599 51634 51664 51694 51724 51754 NRC 35 234 20.47 20.11 18.73 17.92 17.51 16.75 NRLM 35 224 7.69 6.51 6.03 6.18 6.19 6.26 NRLM 35 523 1.53 1.21 0.85 0.85 0.94 1.25 NRLM 35 459 3.65 4.22 4.75 4.88 4.41 4.67 OMH 36 849 1.40 3.69 2.29 2.96 3.82 5.73 ONRJ 35 903 0.00 0.00 0.00 0.00 0.00 2.20 F 35 172 3.32 2.81 3.23 3.53 3.38 2.82 F 35 198 7.10 6.70 7.61 7.45 8.19 7.87 F 35 536 -5.71 -6.28 -6.09 -6.04 -5.57 -6.00 F 35 609 24.45 23.44 24.22 24.39 23.30 22.20 F 35 770 12.39 12.78 12.76 11.53 11.99 12.27 F 35 385 6.56 7.30 7.40 7.49 7.94 8.52 F 35 131 7.52 6.80 7.20 5.91 6.42 6.39 F 35 355 2.20 1.17 1.79 2.23 1.38 1.80 F 35 489 9.65 8.00 7.52 8.36 9.14 8.88 F 35 521 -11.14 -11.80 -12.50 -11.86 -11.59 -11.33 F 35 469 -0.61 -0.56 -0.35 -1.81 -1.13 -0.95 F 35 859 10.28 10.37 10.08 9.17 9.33 9.20 F 35 1177 -12.10 -10.69 -11.67 -12.02 -11.78 -12.10 F 35 1178 2.72 2.03 2.54 3.16 3.55 3.67 F 35 1321 7.66 8.37 8.68 9.10 8.93 10.01 F 35 122 5.33 6.05 4.44 6.86 6.14 5.95 F 35 158 0.00 0.00 0.00 17.11 16.79 16.53 F 35 819 0.00 0.00 0.00 0.00 28.51 27.25 F 40 816 0.00 0.00 0.00 0.00 -15.87 -16.15 F 35 1222 0.00 0.00 0.00 0.00 0.00 5.18 ORB 40 2601 -201.04 -197.33 -198.27 -196.39 -197.64 -196.86 ORB 35 201 2.44 3.11 3.24 2.72 1.43 1.47 ORB 35 202 5.90 5.74 6.50 7.58 5.21 7.74 PSB 35 277 4.61 4.02 3.37 4.88 4.94 5.03 PTB 92 2 1.03 1.60 1.10 0.48 0.68 0.92 PTB 35 415 2.52 2.96 2.42 2.62 2.67 3.94 PTB 40 505 -0.90 -0.31 0.01 0.71 1.20 1.80 PTB 92 1 1.40 1.90 1.26 1.91 1.32 1.20 PTB 40 502 -2.73 -2.41 -2.44 -1.97 -1.56 -1.15 PTB 35 1072 8.82 9.68 9.33 8.08 8.26 7.93 PTB 40 537 0.00 -1.26 0.29 -1.82 -5.13 -7.19 PTB 92 3 0.00 0.00 -1.85 -1.92 -2.09 -0.82 ROA 14 1569 19.26 21.97 24.63 35.86 39.44 40.05 ROA 14 896 63.05 61.18 48.93 47.41 54.18 64.60 ROA 35 583 0.68 0.01 -0.09 -0.14 -0.92 1.70 ROA 35 718 6.79 7.27 7.10 7.36 6.47 5.85 ROA 36 1490 0.00 0.00 0.00 0.00 9.85 8.57 ROA 36 1488 0.00 0.00 0.00 0.00 11.03 7.67 SCL 35 764 -7.60 -9.00 -8.10 -8.39 -8.62 -7.78 SMU 36 1063 -4.45 -4.98 -4.97 -4.83 -3.45 -3.20 SP 35 641 -18.71 -17.96 -18.89 -18.05 -17.76 -18.53 SP 16 137 98.08 100.70 94.22 91.12 85.11 82.05 SP 35 1188 21.88 22.35 22.06 21.96 22.56 22.74 SU 40 3806 6.35 6.65 6.22 6.63 6.70 7.16 SU 40 3807 34.97 34.60 35.00 34.82 34.63 34.64 SU 40 3809 0.59 0.63 0.20 0.41 0.31 0.34 SU 40 3811 -18.51 -18.11 -19.85 -21.71 -21.87 -21.45 SU 40 3802 0.00 0.00 0.00 12.21 13.68 15.13 SU 40 3805 0.00 0.00 0.00 17.74 18.80 20.00 MONTHLY RATES OF TAI-CLOCK (CONT.) LAB. CLOCK 51599 51634 51664 51694 51724 51754 SU 40 3810 0.00 0.00 0.00 0.00 -8.84 -6.90 TL 35 809 -6.48 -7.74 -6.41 -8.27 -8.66 -8.02 TL 40 3052 10.09 10.72 13.82 14.81 15.93 17.65 TL 40 3053 14.51 14.65 16.78 17.76 18.44 19.33 TP 36 163 -5.10 -6.81 -3.07 -8.47 -7.54 -4.83 TP 36 154 13.25 14.12 14.15 14.01 11.90 13.32 TP 35 1227 -0.35 -0.05 0.65 -0.33 1.18 0.60 TP 36 326 -4.99 -4.62 -5.74 -6.50 -6.22 -7.55 UME 35 252 0.00 0.00 -3.52 -1.31 -1.50 -11.10 USNO 35 167 5.28 4.43 3.47 3.69 3.78 3.53 USNO 35 279 -7.11 -7.90 -7.01 -7.35 -7.07 -7.35 USNO 35 101 13.30 13.28 13.30 12.73 12.90 12.33 USNO 35 394 13.64 13.35 13.88 14.36 14.29 14.70 USNO 35 254 -0.76 -1.25 -0.27 -0.52 -0.19 0.05 USNO 40 710 22.57 23.05 23.28 23.86 24.41 24.89 USNO 40 712 -8.82 -8.71 -8.93 -8.77 -8.77 -8.70 USNO 40 703 -1.72 -1.60 -1.95 -1.70 -1.55 -1.53 USNO 40 708 4.58 4.99 5.06 5.56 5.97 6.33 USNO 40 711 77.63 79.31 80.68 82.38 83.98 85.49 USNO 35 164 0.14 -0.05 -0.21 0.02 -0.07 -0.50 USNO 35 1097 7.48 6.85 6.42 7.51 8.15 6.73 USNO 40 715 -19.91 -19.66 -19.80 -19.54 -19.37 -19.20 USNO 35 106 -13.15 -13.01 -14.26 -13.47 -13.08 -13.87 USNO 35 153 11.28 12.35 11.43 11.84 12.57 12.38 USNO 35 169 14.12 16.00 14.35 15.17 14.91 15.34 USNO 35 165 6.77 6.11 5.79 5.61 5.19 5.88 USNO 40 709 -36.54 -35.86 -35.46 -34.80 -34.51 -34.80 USNO 40 701 -27.68 -27.73 -27.94 -27.78 -27.74 -27.70 USNO 40 704 -46.45 -46.25 -46.32 -46.09 -45.93 -45.80 USNO 35 161 -17.12 -17.28 -17.01 -17.72 -16.66 -18.33 USNO 35 1096 17.73 17.41 16.31 18.31 17.46 16.16 USNO 35 152 16.79 16.41 15.79 15.75 15.81 17.14 USNO 35 417 15.50 15.81 14.94 13.88 15.23 14.87 USNO 35 166 -1.88 -0.70 -0.34 -0.67 -1.15 -1.18 USNO 35 114 26.31 26.45 25.95 25.24 25.60 25.69 USNO 35 104 18.68 19.05 19.25 19.21 18.74 18.67 USNO 35 108 4.45 3.56 3.22 8.92 8.64 7.77 USNO 35 260 10.11 11.27 10.18 9.93 9.99 10.94 USNO 35 217 -0.72 -0.55 -1.02 -0.37 -1.18 -0.83 USNO 35 213 15.14 14.82 15.50 14.86 15.23 13.90 USNO 35 227 14.74 14.37 14.42 14.09 14.23 15.77 USNO 35 392 5.03 4.97 4.33 4.96 4.42 4.67 USNO 35 242 13.28 12.51 12.23 12.36 12.91 12.65 USNO 35 229 0.89 -0.11 -0.48 -0.13 -0.29 8.08 USNO 35 253 0.00 0.00 6.80 4.96 3.76 3.52 USNO 35 225 0.00 0.00 3.55 3.16 2.08 -1.08 USNO 35 244 0.00 0.00 19.13 19.55 18.00 16.36 USNO 35 233 0.00 0.00 -1.12 -0.17 -0.23 -0.95 USNO 35 256 0.00 0.00 14.68 13.33 12.08 11.69 USNO 35 1462 0.00 0.00 7.98 7.90 6.47 7.50 USNO 35 1463 0.00 0.00 6.65 5.57 5.01 5.15 USNO 35 270 0.00 0.00 -12.20 -12.59 -13.21 -12.31 USNO 35 120 0.00 0.00 0.20 0.27 -0.02 -0.05 USNO 35 146 0.00 0.00 -1.28 -1.14 -1.94 -2.90 USNO 35 1438 0.00 0.00 5.64 3.16 0.01 0.46 MONTHLY RATES OF TAI-CLOCK (CONT.) LAB. CLOCK 51599 51634 51664 51694 51724 51754 USNO 35 1468 0.00 0.00 0.79 -1.00 -0.87 0.10 USNO 40 705 0.00 0.00 -32.82 -30.97 -31.71 -32.75 USNO 35 226 0.00 0.00 0.00 22.56 22.58 21.15 USNO 35 171 0.00 0.00 0.00 1.63 1.48 1.27 USNO 35 1481 0.00 0.00 0.00 0.88 -0.14 -0.90 USNO 40 702 0.00 0.00 0.00 0.00 -8.82 -8.74 USNO 35 1459 0.00 0.00 0.00 0.00 1.52 0.57 USNO 35 1125 0.00 0.00 0.00 0.00 0.00 21.77 USNO 35 148 0.00 0.00 0.00 0.00 0.00 4.58 USNO 35 142 0.00 0.00 0.00 0.00 0.00 4.09 USNO 35 150 0.00 0.00 0.00 0.00 0.00 -1.69 USNO 35 156 0.00 0.00 0.00 0.00 0.00 15.42 VSL 35 548 5.31 4.50 4.82 4.46 4.53 4.16 VSL 35 731 18.15 17.12 17.86 16.75 18.28 18.23 VSL 35 456 24.68 24.11 23.19 22.28 23.04 22.87 VSL 35 179 11.65 11.56 11.25 11.50 10.91 10.65 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 18 FREQ. AND TIME SYSTEMS INC. 4000 35 HEWLETT-PACKARD 5071A High perf. 4x HYDROGEN MASERS 36 HEWLETT-PACKARD 5071A Low perf. 9x PRIMARY CLOCKS AND PROTOTYPES 50 FREQ. AND TIME SYSTEMS INC. 4065A