De Backer H. DOBSON UCCLE TOTALCOL 01-MAR-1993 00:00:0031-MAR-1993 23:59:590001 30 1010 Hugo De Backer Uccle; Royal Meteorological Institute Belgium Dobson Spectrophotometer Instrument No.40 NDSC 1 1 1993 03 01 2002 05 21 0 Day of year 2 1.000 1.0E+18 9.999 99.999 O3 Air Mass Factor O3 Vertical Column Density (molecules/cm**2) 9 1 1 1 1 1 1.0 1.0 1 1.0 9999 99 99 99 99 999.9 999.9 9999 99.999 Year of observation (UT) Month of observation (UT) Day of observation (UT) Hour of observation (UT) Minute of observation (UT) Latitude observation point (degrees) Longitude observation point (degrees) Elevation of station above MSL (m) Solar zenith angle at time of observation (degrees) 1 1 1.378 1993 03 01 09 03 50.80 -4.35 100 68.985 2.726 9.746 1.460 1993 03 01 11 02 50.80 -4.35 100 59.372 1.944 9.572 1.494 1993 03 01 11 51 50.80 -4.35 100 58.281 1.885 9.623 1.570 1993 03 01 13 40 50.80 -4.35 100 62.527 2.141 9.671 2.374 1993 03 02 08 58 50.80 -4.35 100 69.260 2.759 9.225 2.445 1993 03 02 10 41 50.80 -4.35 100 60.040 1.982 9.150 2.509 1993 03 02 12 12 50.80 -4.35 100 58.020 1.872 9.150 3.374 1993 03 03 08 58 50.80 -4.35 100 68.845 2.710 10.071 3.401 1993 03 03 09 37 50.80 -4.35 100 64.709 2.306 9.996 3.515 1993 03 03 12 22 50.80 -4.35 100 57.813 1.861 10.171 3.567 1993 03 03 13 36 50.80 -4.35 100 61.577 2.077 10.120 4.384 1993 03 04 09 13 50.80 -4.35 100 66.810 2.494 8.433 4.430 1993 03 04 10 18 50.80 -4.35 100 60.770 2.026 8.384 4.527 1993 03 04 12 39 50.80 -4.35 100 57.942 1.868 8.508 5.373 1993 03 05 08 57 50.80 -4.35 100 68.264 2.644 8.089 5.479 1993 03 05 11 30 50.80 -4.35 100 56.983 1.821 7.672 5.505 1993 03 05 12 07 50.80 -4.35 100 56.811 1.813 7.597 6.364 1993 03 06 08 44 50.80 -4.35 100 69.521 2.791 7.868 7.360 1993 03 07 08 38 50.80 -4.35 100 69.856 2.833 7.157 8.367 1993 03 08 08 49 50.80 -4.35 100 68.186 2.636 6.797 8.370 1993 03 08 08 52 50.80 -4.35 100 67.812 2.595 6.743 8.390 1993 03 08 09 21 50.80 -4.35 100 64.428 2.283 6.823 8.391 1993 03 08 09 23 50.80 -4.35 100 64.255 2.269 6.797 8.499 1993 03 08 11 59 50.80 -4.35 100 55.587 1.757 7.092 8.501 1993 03 08 12 00 50.80 -4.35 100 55.596 1.757 7.038 8.566 1993 03 08 13 34 50.80 -4.35 100 59.649 1.960 7.146 8.567 1993 03 08 13 36 50.80 -4.35 100 59.815 1.969 7.173 9.371 1993 03 09 08 54 50.80 -4.35 100 67.110 2.523 8.005 9.373 1993 03 09 08 57 50.80 -4.35 100 66.841 2.497 7.979 9.427 1993 03 09 10 14 50.80 -4.35 100 59.103 1.929 8.140 9.429 1993 03 09 10 17 50.80 -4.35 100 58.900 1.918 8.113 9.511 1993 03 09 12 15 50.80 -4.35 100 55.396 1.748 8.408 9.513 1993 03 09 12 18 50.80 -4.35 100 55.439 1.750 8.408 9.591 1993 03 09 14 11 50.80 -4.35 100 62.597 2.146 8.355 9.593 1993 03 09 14 13 50.80 -4.35 100 62.821 2.162 8.355 10.387 1993 03 10 09 16 50.80 -4.35 100 64.203 2.265 8.089 10.422 1993 03 10 10 07 50.80 -4.35 100 59.292 1.940 8.137 10.505 1993 03 10 12 07 50.80 -4.35 100 54.874 1.726 8.185 10.534 1993 03 10 12 48 50.80 -4.35 100 56.071 1.778 8.360 10.585 1993 03 10 14 02 50.80 -4.35 100 61.369 2.064 8.457 11.354 1993 03 11 08 29 50.80 -4.35 100 69.519 2.791 9.002 11.461 1993 03 11 11 04 50.80 -4.35 100 55.387 1.748 8.903 11.529 1993 03 11 12 41 50.80 -4.35 100 55.389 1.748 8.879 11.579 1993 03 11 13 53 50.80 -4.35 100 60.188 1.991 8.903 12.365 1993 03 12 08 45 50.80 -4.35 100 67.174 2.530 8.811 12.366 1993 03 12 08 47 50.80 -4.35 100 66.902 2.503 8.919 12.425 1993 03 12 10 12 50.80 -4.35 100 58.124 1.877 8.731 12.427 1993 03 12 10 14 50.80 -4.35 100 57.968 1.869 8.784 12.505 1993 03 12 12 07 50.80 -4.35 100 54.099 1.694 8.758 12.507 1993 03 12 12 09 50.80 -4.35 100 54.127 1.696 8.784 12.581 1993 03 12 13 56 50.80 -4.35 100 60.154 1.989 8.811 12.582 1993 03 12 13 58 50.80 -4.35 100 60.344 2.000 8.838 13.422 1993 03 13 10 07 50.80 -4.35 100 58.124 1.877 8.784 13.424 1993 03 13 10 10 50.80 -4.35 100 57.870 1.864 8.811 14.347 1993 03 14 08 19 50.80 -4.35 100 69.759 2.821 8.704 14.401 1993 03 14 09 37 50.80 -4.35 100 60.476 2.008 8.596 14.403 1993 03 14 09 40 50.80 -4.35 100 60.184 1.991 8.623 15.360 1993 03 15 08 38 50.80 -4.35 100 66.940 2.506 8.728 15.394 1993 03 15 09 27 50.80 -4.35 100 61.161 2.050 8.811 15.396 1993 03 15 09 30 50.80 -4.35 100 60.797 2.028 8.784 15.500 1993 03 15 12 00 50.80 -4.35 100 52.852 1.646 8.811 15.502 1993 03 15 12 02 50.80 -4.35 100 52.874 1.647 8.838 15.580 1993 03 15 13 54 50.80 -4.35 100 58.954 1.921 8.811 15.581 1993 03 15 13 56 50.80 -4.35 100 59.099 1.929 8.865 16.344 1993 03 16 08 15 50.80 -4.35 100 69.637 2.806 9.107 16.345 1993 03 16 08 16 50.80 -4.35 100 69.414 2.778 8.999 16.430 1993 03 16 10 18 50.80 -4.35 100 56.031 1.776 8.784 16.432 1993 03 16 10 21 50.80 -4.35 100 55.811 1.767 8.865 16.499 1993 03 16 11 59 50.80 -4.35 100 52.453 1.632 8.704 16.580 1993 03 16 13 55 50.80 -4.35 100 58.714 1.908 8.903 17.361 1993 03 17 08 39 50.80 -4.35 100 65.983 2.416 7.696 17.496 1993 03 17 11 54 50.80 -4.35 100 52.036 1.617 7.549 17.579 1993 03 17 13 54 50.80 -4.35 100 58.233 1.883 7.425 18.366 1993 03 18 08 46 50.80 -4.35 100 64.721 2.307 8.360 18.423 1993 03 18 10 08 50.80 -4.35 100 56.033 1.777 8.508 18.482 1993 03 18 11 34 50.80 -4.35 100 51.754 1.607 8.457 18.533 1993 03 18 12 47 50.80 -4.35 100 53.019 1.653 8.333 19.368 1993 03 19 08 49 50.80 -4.35 100 64.008 2.250 8.516 19.370 1993 03 19 08 52 50.80 -4.35 100 63.614 2.220 8.462 19.423 1993 03 19 10 08 50.80 -4.35 100 55.620 1.758 8.382 19.425 1993 03 19 10 12 50.80 -4.35 100 55.354 1.747 8.435 19.501 1993 03 19 12 01 50.80 -4.35 100 51.291 1.591 8.462 19.501 1993 03 19 12 02 50.80 -4.35 100 51.300 1.591 8.516 19.573 1993 03 19 13 44 50.80 -4.35 100 56.666 1.806 8.570 19.574 1993 03 19 13 46 50.80 -4.35 100 56.862 1.815 8.650 20.378 1993 03 20 09 04 50.80 -4.35 100 61.829 2.094 8.838 20.379 1993 03 20 09 05 50.80 -4.35 100 61.624 2.080 8.865 20.413 1993 03 20 09 54 50.80 -4.35 100 56.467 1.796 8.838 20.414 1993 03 20 09 56 50.80 -4.35 100 56.324 1.790 8.811 21.383 1993 03 21 09 11 50.80 -4.35 100 60.566 2.014 8.631 21.416 1993 03 21 09 58 50.80 -4.35 100 55.676 1.761 8.580 22.355 1993 03 22 08 30 50.80 -4.35 100 65.278 2.354 9.101 22.447 1993 03 22 10 43 50.80 -4.35 100 52.011 1.616 8.951 22.477 1993 03 22 11 27 50.80 -4.35 100 50.290 1.558 8.927 23.372 1993 03 23 08 56 50.80 -4.35 100 61.639 2.081 8.570 23.373 1993 03 23 08 57 50.80 -4.35 100 61.459 2.069 8.650 23.423 1993 03 23 10 08 50.80 -4.35 100 54.061 1.693 8.865 23.424 1993 03 23 10 10 50.80 -4.35 100 53.917 1.687 8.596 23.481 1993 03 23 11 32 50.80 -4.35 100 49.790 1.542 8.596 23.482 1993 03 23 11 34 50.80 -4.35 100 49.762 1.541 8.462 23.524 1993 03 23 12 34 50.80 -4.35 100 50.559 1.566 8.508 24.370 1993 03 24 08 53 50.80 -4.35 100 61.655 2.082 8.919 24.372 1993 03 24 08 55 50.80 -4.35 100 61.406 2.066 8.865 24.411 1993 03 24 09 52 50.80 -4.35 100 55.130 1.737 8.779 24.489 1993 03 24 11 43 50.80 -4.35 100 49.282 1.526 8.973 24.491 1993 03 24 11 46 50.80 -4.35 100 49.271 1.526 9.187 24.581 1993 03 24 13 57 50.80 -4.35 100 56.185 1.783 9.026 25.366 1993 03 25 08 46 50.80 -4.35 100 62.119 2.113 9.897 25.424 1993 03 25 10 11 50.80 -4.35 100 53.059 1.654 9.722 25.528 1993 03 25 12 40 50.80 -4.35 100 50.082 1.551 9.397 25.584 1993 03 25 14 00 50.80 -4.35 100 56.218 1.785 9.349 26.377 1993 03 26 09 03 50.80 -4.35 100 59.618 1.958 9.349 26.430 1993 03 26 10 19 50.80 -4.35 100 52.018 1.616 9.225 26.513 1993 03 26 12 18 50.80 -4.35 100 48.890 1.514 9.150 26.583 1993 03 26 14 00 50.80 -4.35 100 55.837 1.768 8.927 27.403 1993 03 27 09 40 50.80 -4.35 100 55.050 1.734 8.811 27.405 1993 03 27 09 43 50.80 -4.35 100 54.751 1.721 8.838 28.355 1993 03 28 08 31 50.80 -4.35 100 62.949 2.171 9.483 28.357 1993 03 28 08 34 50.80 -4.35 100 62.533 2.141 9.402 29.350 1993 03 29 08 23 50.80 -4.35 100 63.619 2.220 9.886 29.352 1993 03 29 08 26 50.80 -4.35 100 63.201 2.189 9.859 29.418 1993 03 29 10 01 50.80 -4.35 100 52.267 1.625 9.913 29.419 1993 03 29 10 03 50.80 -4.35 100 52.082 1.618 9.832 29.496 1993 03 29 11 54 50.80 -4.35 100 47.336 1.470 10.074 29.498 1993 03 29 11 57 50.80 -4.35 100 47.354 1.470 10.020 29.539 1993 03 29 12 55 50.80 -4.35 100 49.434 1.531 10.101 29.540 1993 03 29 12 58 50.80 -4.35 100 49.573 1.535 10.101 30.330 1993 03 30 07 54 50.80 -4.35 100 67.369 2.550 9.644 30.331 1993 03 30 07 56 50.80 -4.35 100 67.127 2.525 9.752 30.409 1993 03 30 09 48 50.80 -4.35 100 53.092 1.655 9.298 30.475 1993 03 30 11 23 50.80 -4.35 100 47.180 1.465 9.324 30.538 1993 03 30 12 55 50.80 -4.35 100 49.038 1.519 9.273 31.328 1993 03 31 07 52 50.80 -4.35 100 67.350 2.548 9.722 31.356 1993 03 31 08 32 50.80 -4.35 100 61.772 2.090 9.324 31.492 1993 03 31 11 49 50.80 -4.35 100 46.538 1.448 9.249 31.537 1993 03 31 12 53 50.80 -4.35 100 48.561 1.504 9.349