De Backer H. DOBSON UCCLE TOTALCOL 01-OCT-1974 00:00:0031-OCT-1974 23:59:590001 30 1010 Hugo De Backer Uccle; Royal Meteorological Institute Belgium Dobson Spectrophotometer Instrument No.40 NDSC 1 1 1974 10 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 1.344 1974 10 01 08 16 50.80 -4.35 100 68.189 2.636 8.852 1.399 1974 10 01 09 34 50.80 -4.35 100 59.504 1.951 8.803 1.406 1974 10 01 09 44 50.80 -4.35 100 58.602 1.902 8.951 1.439 1974 10 01 10 32 50.80 -4.35 100 55.407 1.749 8.704 1.487 1974 10 01 11 41 50.80 -4.35 100 53.977 1.690 8.680 1.497 1974 10 01 11 56 50.80 -4.35 100 54.187 1.698 8.656 1.559 1974 10 01 13 24 50.80 -4.35 100 59.065 1.927 8.852 1.611 1974 10 01 14 40 50.80 -4.35 100 67.237 2.536 8.631 2.344 1974 10 02 08 14 50.80 -4.35 100 68.619 2.684 9.496 2.429 1974 10 02 10 17 50.80 -4.35 100 56.620 1.803 9.298 2.430 1974 10 02 10 19 50.80 -4.35 100 56.466 1.796 9.349 2.484 1974 10 02 11 36 50.80 -4.35 100 54.333 1.704 9.496 2.485 1974 10 02 11 38 50.80 -4.35 100 54.345 1.704 9.424 2.523 1974 10 02 12 32 50.80 -4.35 100 55.865 1.769 9.746 2.586 1974 10 02 14 04 50.80 -4.35 100 63.327 2.198 9.596 2.605 1974 10 02 14 31 50.80 -4.35 100 66.482 2.462 9.101 3.432 1974 10 03 10 22 50.80 -4.35 100 56.682 1.806 9.770 3.491 1974 10 03 11 46 50.80 -4.35 100 54.804 1.723 9.945 3.518 1974 10 03 12 25 50.80 -4.35 100 55.930 1.772 9.846 3.568 1974 10 03 13 37 50.80 -4.35 100 61.023 2.042 9.623 3.591 1974 10 03 14 10 50.80 -4.35 100 64.436 2.284 9.695 4.324 1974 10 04 07 46 50.80 -4.35 100 73.006 3.304 9.424 7.429 1974 10 07 10 17 50.80 -4.35 100 58.387 1.891 9.225 7.431 1974 10 07 10 20 50.80 -4.35 100 58.208 1.882 9.298 7.491 1974 10 07 11 46 50.80 -4.35 100 56.365 1.792 9.249 7.525 1974 10 07 12 36 50.80 -4.35 100 58.021 1.872 8.903 7.569 1974 10 07 13 38 50.80 -4.35 100 62.687 2.152 9.126 7.606 1974 10 07 14 32 50.80 -4.35 100 68.491 2.670 9.448 8.498 1974 10 08 11 57 50.80 -4.35 100 56.944 1.819 9.722 9.341 1974 10 09 08 11 50.80 -4.35 100 71.132 3.006 8.852 9.425 1974 10 09 10 12 50.80 -4.35 100 59.380 1.945 8.704 9.429 1974 10 09 10 17 50.80 -4.35 100 59.088 1.928 8.731 9.509 1974 10 09 12 12 50.80 -4.35 100 57.762 1.859 8.631 9.546 1974 10 09 13 05 50.80 -4.35 100 60.656 2.019 8.704 9.602 1974 10 09 14 26 50.80 -4.35 100 68.511 2.672 8.113 10.334 1974 10 10 08 00 50.80 -4.35 100 72.800 3.268 8.532 10.391 1974 10 10 09 23 50.80 -4.35 100 63.455 2.208 8.309 10.440 1974 10 10 10 32 50.80 -4.35 100 58.673 1.906 8.580 10.519 1974 10 10 12 26 50.80 -4.35 100 58.720 1.908 8.728 10.556 1974 10 10 13 20 50.80 -4.35 100 62.231 2.121 8.779 10.578 1974 10 10 13 52 50.80 -4.35 100 65.123 2.340 9.101 11.348 1974 10 11 08 21 50.80 -4.35 100 70.482 2.915 9.174 11.421 1974 10 11 10 05 50.80 -4.35 100 60.521 2.011 8.704 11.511 1974 10 11 12 15 50.80 -4.35 100 58.623 1.903 8.975 11.571 1974 10 11 13 42 50.80 -4.35 100 64.537 2.292 8.803 14.378 1974 10 14 09 04 50.80 -4.35 100 66.640 2.477 8.059 14.380 1974 10 14 09 07 50.80 -4.35 100 66.259 2.441 8.032 14.434 1974 10 14 10 24 50.80 -4.35 100 60.490 2.009 8.086 14.436 1974 10 14 10 28 50.80 -4.35 100 60.306 1.998 8.086 14.502 1974 10 14 12 02 50.80 -4.35 100 59.350 1.943 8.193 14.504 1974 10 14 12 05 50.80 -4.35 100 59.434 1.948 8.167 14.552 1974 10 14 13 15 50.80 -4.35 100 63.254 2.193 8.285 15.363 1974 10 15 08 42 50.80 -4.35 100 69.194 2.751 8.433 15.418 1974 10 15 10 02 50.80 -4.35 100 62.135 2.114 9.026 15.506 1974 10 15 12 08 50.80 -4.35 100 59.921 1.975 8.650 15.510 1974 10 15 12 14 50.80 -4.35 100 60.105 1.986 8.543 15.592 1974 10 15 14 12 50.80 -4.35 100 69.087 2.739 9.373 16.348 1974 10 16 08 21 50.80 -4.35 100 71.909 3.123 9.126 16.436 1974 10 16 10 28 50.80 -4.35 100 61.021 2.042 8.951 16.515 1974 10 16 12 21 50.80 -4.35 100 60.749 2.025 8.360 16.591 1974 10 16 14 10 50.80 -4.35 100 69.241 2.757 8.852 17.329 1974 10 17 07 53 50.80 -4.35 100 75.749 3.864 9.050 17.399 1974 10 17 09 34 50.80 -4.35 100 64.793 2.313 8.779 17.448 1974 10 17 10 45 50.80 -4.35 100 60.697 2.022 8.704 17.513 1974 10 17 12 18 50.80 -4.35 100 61.006 2.041 8.631 17.588 1974 10 17 14 07 50.80 -4.35 100 69.198 2.752 8.852 18.354 1974 10 18 08 29 50.80 -4.35 100 71.597 3.075 8.580 18.436 1974 10 18 10 27 50.80 -4.35 100 61.775 2.090 8.140 18.440 1974 10 18 10 34 50.80 -4.35 100 61.477 2.071 8.086 18.510 1974 10 18 12 14 50.80 -4.35 100 61.226 2.054 7.989 18.590 1974 10 18 14 09 50.80 -4.35 100 69.781 2.824 8.089 21.332 1974 10 21 07 57 50.80 -4.35 100 76.345 4.012 9.249 21.451 1974 10 21 10 49 50.80 -4.35 100 62.003 2.105 9.026 22.352 1974 10 22 08 26 50.80 -4.35 100 73.170 3.332 9.448 22.390 1974 10 22 09 21 50.80 -4.35 100 67.570 2.570 9.225 22.443 1974 10 22 10 37 50.80 -4.35 100 62.737 2.156 8.852 22.501 1974 10 22 12 02 50.80 -4.35 100 62.278 2.124 8.951 23.505 1974 10 23 12 07 50.80 -4.35 100 62.796 2.160 8.333 23.583 1974 10 23 13 59 50.80 -4.35 100 70.490 2.917 8.185 24.352 1974 10 24 08 27 50.80 -4.35 100 73.607 3.412 8.481 24.423 1974 10 24 10 08 50.80 -4.35 100 64.760 2.310 8.261 24.504 1974 10 24 12 06 50.80 -4.35 100 63.104 2.182 8.285 24.600 1974 10 24 14 24 50.80 -4.35 100 73.491 3.390 8.309 25.334 1974 10 25 08 01 50.80 -4.35 100 77.044 4.199 8.236 25.463 1974 10 25 11 06 50.80 -4.35 100 63.005 2.175 7.893 25.493 1974 10 25 11 49 50.80 -4.35 100 63.055 2.178 7.893 25.553 1974 10 25 13 16 50.80 -4.35 100 67.256 2.538 8.137 29.376 1974 10 29 09 01 50.80 -4.35 100 71.529 3.064 8.704 29.566 1974 10 29 13 34 50.80 -4.35 100 70.054 2.859 8.975 30.429 1974 10 30 10 17 50.80 -4.35 100 66.261 2.442 9.846 31.358 1974 10 31 08 35 50.80 -4.35 100 74.776 3.645 10.071 31.401 1974 10 31 09 36 50.80 -4.35 100 69.110 2.741 10.294 31.437 1974 10 31 10 29 50.80 -4.35 100 66.013 2.419 10.321 31.477 1974 10 31 11 27 50.80 -4.35 100 64.866 2.319 10.246