Values of TAI-TAI(laboratory) for 1989. 0.0 denotes that no value is available. Unit is one microsecond. For NISA and NIST add -45000 microseconds. For SU and USNO add respectively 2827000 and -34000 microseconds. Example, for MJD = 47549, TAI-TA(USNO) = -34572.537 microseconds. MJD CH DDR F JATC NIST NIM NRC PTB CRL SO SU USNO APL CSAO NISA AUS 47529 -54.175 -29.587 64.724 1.217-119.514 -9.826 18.089-359.296 47529 -3.273 -44.729 266.664-571.330 0.0 40.267 -53.148 -18.000 47539 -54.370 -29.468 65.105 1.177-119.923 -9.746 17.885-359.318 47539 -3.239 -44.549 266.658-571.938 0.0 40.298 -53.373 -18.080 47549 -54.557 -29.309 65.478 1.047-120.325 -9.772 17.737-359.319 47549 -3.179 -44.514 266.479-572.537 0.0 40.144 -53.591 -18.339 47559 -54.709 -29.110 65.848 0.837-120.740 -9.886 17.695-359.260 47559 -3.114 -44.355 266.120-573.148 0.0 40.104 -53.823 -18.381 47569 -54.888 -28.983 66.227 0.603-121.165 -10.300 17.648-359.243 47569 -3.066 -44.428 265.986-573.731 0.0 39.853 -54.071 -18.578 47579 -55.070 -28.825 66.578 0.366-121.605 -10.448 17.619-359.205 47579 -3.007 -44.421 265.856-574.285 0.0 39.709 -54.320 -18.648 47589 -55.256 -28.588 66.910 0.255-122.038 -10.498 17.603-359.168 47589 -2.972 -44.370 265.713-574.846 0.0 39.667 -54.546 -18.816 47599 -55.457 -28.471 67.255 0.133-122.475 -10.658 17.614-359.120 47599 -2.956 -44.463 265.816-575.436 0.0 39.549 -54.785 -18.970 47609 -55.666 -28.407 67.582 0.162-122.903 -10.742 17.592-359.117 47609 -2.944 -44.411 265.782-576.059 0.0 39.544 -55.019 -19.128 47619 -55.867 -28.276 67.908 -0.001-123.324 -10.847 17.559-359.106 47619 -2.960 -44.455 265.592-576.650 0.0 39.394 -55.259 -19.265 47629 -56.101 -28.106 68.256 -0.041-123.752 -10.893 17.528-359.106 47629 -2.943 -44.386 265.456-577.250 0.0 39.332 -55.501 -19.430 47639 -56.352 -27.981 68.577 -0.086-124.208 -10.888 17.399-359.121 47639 -2.943 -44.321 265.245-577.795 0.0 39.226 -55.780 -19.654 47649 -56.610 -27.890 68.904 -0.301-124.649 -11.078 17.447-359.119 47649 -2.932 -44.386 265.174-578.348 0.0 39.013 -56.053 -19.810 47659 -56.866 -27.912 69.231 -1.179-125.076 -11.093 17.388-359.172 47659 -2.888 -44.574 264.926-578.916 -0.821 38.719 -56.306 -20.020 47669 -57.124 -27.896 69.551 -0.666-125.508 -11.238 17.295-359.176 47669 -2.851 -44.666 264.775-579.532 -0.842 38.560 -56.561 -20.210 47679 -57.394 -27.902 69.880 -0.684-125.943 -11.456 17.190-359.182 47679 -2.849 -44.725 264.520-580.100 -0.790 38.577 -56.814 -20.440 47689 -57.647 -27.959 70.222 -0.730-126.357 -11.440 17.152-359.209 47689 -2.799 -44.683 264.500-580.661 -0.799 38.743 -57.054 -20.678 47699 -57.873 -27.996 70.518 -0.776-126.790 -11.378 17.090-359.236 47699 -2.783 -44.611 264.285-581.232 0.0 38.795 -57.301 -20.881 47709 -58.099 -28.041 70.859 -0.909-127.208 -11.545 17.029-359.241 47709 -2.764 -44.577 264.060-581.781 0.0 38.540 -57.530 -21.143 47719 -58.307 -28.191 71.198 -0.913-127.636 -11.676 16.941-359.260 47719 -2.739 -44.525 263.931-582.345 -1.111 38.496 -57.765 -21.413 47729 -58.547 -28.277 71.506 -0.980-128.073 -11.749 16.817-359.307 47729 -2.709 -44.568 263.918-582.894 -1.350 38.549 -58.014 -21.707 47739 -58.785 -28.343 71.845 -0.986-128.517 -11.244 16.684-359.313 47739 -2.665 -44.568 263.499-583.467 -1.422 38.459 -58.274 -22.025 47749 -59.056 -28.442 72.178 -1.199-128.949 -10.883 16.565-359.382 47749 -2.607 -44.679 263.281-583.999 -1.437 38.039 -58.505 -22.325 47759 -59.314 -28.514 72.506 -1.297-129.388 -10.091 16.443-359.393 47759 -2.537 -44.617 263.048-584.548 -1.646 38.031 -58.735 -22.557 47769 -59.571 -28.548 72.868 -1.284-129.814 -9.484 16.320-359.378 47769 -2.461 -44.605 262.925-585.080 -1.634 37.916 -58.952 -22.841 47779 -59.834 -28.574 73.194 -1.244-130.240 -9.373 16.171-359.384 47779 -2.371 -44.598 262.801-585.653 -1.708 37.745 -59.182 -23.082 47789 -60.100 -28.574 73.500 -1.267-130.688 -9.309 16.009-359.424 47789 -2.333 -44.528 262.678-586.231 -1.644 37.627 -59.423 -23.305 47799 -60.347 -28.701 73.807 -1.251-131.158 -9.476 15.872-359.461 47799 -2.284 -44.455 262.555-586.757 -4.280 37.609 -59.671 -23.567 47809 -60.565 -28.734 74.107 -1.217-131.599 0.0 15.750-359.493 47809 -2.229 -44.282 262.432-587.305 -1.555 37.588 -59.879 -23.803 47819 -60.818 -28.739 74.396 -1.374-132.057 0.0 15.629-359.529 47819 -2.214 -44.322 262.309-587.774 -1.506 37.424 -60.108 -24.090 47829 -61.059 -28.732 74.690 -1.406-132.511 0.0 15.485-359.552 47829 -2.185 -44.244 262.185-588.290 -1.458 37.137 -60.349 -24.330 47839 -61.290 -28.760 74.990 -1.372-132.954 0.0 15.390-359.580 47839 -2.151 -44.165 262.062-588.844 -1.408 36.760 -60.576 -24.490 47849 -61.531 -28.670 75.305 -1.345-133.418 0.0 15.312-359.580 47849 -2.131 -44.038 261.939-589.456 -1.364 36.529 -60.777 -24.734 47859 -61.779 -28.481 75.597 -1.495-133.923 0.0 15.242-359.571 47859 -2.126 -44.037 261.750-589.983 -1.369 36.281 -61.009 -24.997 47869 -61.997 -28.281 75.939 -1.416-134.408 -10.364 15.238-359.561 47869 -2.096 -43.961 261.749-590.629 -1.367 35.948 -61.210 -25.151 47879 -62.209 -28.015 76.252 -1.351-134.885 -10.405 15.265-359.584 47879 -2.065 -43.852 261.616-591.321 -1.316 35.624 -61.402 -25.316 47889 -62.438 -27.906 76.562 -1.409-135.380 -10.473 15.279-359.615 47889 -2.036 -43.844 261.289-591.964 -1.258 35.254 -61.622 -25.516