De Backer H. DOBSON UCCLE TOTALCOL 01-OCT-1975 00:00:0031-OCT-1975 23:59:590001 30 1010 Hugo De Backer Uccle; Royal Meteorological Institute Belgium Dobson Spectrophotometer Instrument No.40 NDSC 1 1 1975 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 1.341 1975 10 01 08 10 50.80 -4.35 100 68.804 2.705 7.769 1.439 1975 10 01 10 31 50.80 -4.35 100 55.370 1.747 7.452 1.521 1975 10 01 12 30 50.80 -4.35 100 55.295 1.744 7.425 1.590 1975 10 01 14 10 50.80 -4.35 100 63.548 2.215 7.452 2.355 1975 10 02 08 31 50.80 -4.35 100 66.438 2.458 7.065 2.358 1975 10 02 08 36 50.80 -4.35 100 65.906 2.409 7.011 2.435 1975 10 02 10 26 50.80 -4.35 100 56.017 1.776 6.939 2.512 1975 10 02 12 17 50.80 -4.35 100 55.116 1.736 7.060 2.594 1975 10 02 14 15 50.80 -4.35 100 64.497 2.289 7.084 3.354 1975 10 03 08 30 50.80 -4.35 100 66.913 2.504 7.868 3.440 1975 10 03 10 33 50.80 -4.35 100 56.035 1.777 7.893 3.530 1975 10 03 12 42 50.80 -4.35 100 56.720 1.808 8.161 3.588 1975 10 03 14 06 50.80 -4.35 100 63.912 2.243 8.360 6.353 1975 10 06 08 29 50.80 -4.35 100 67.976 2.613 7.549 6.440 1975 10 06 10 33 50.80 -4.35 100 57.127 1.828 7.181 6.526 1975 10 06 12 37 50.80 -4.35 100 57.576 1.850 7.549 6.593 1975 10 06 14 13 50.80 -4.35 100 65.841 2.403 7.328 7.360 1975 10 07 08 38 50.80 -4.35 100 67.156 2.528 7.084 7.438 1975 10 07 10 30 50.80 -4.35 100 57.632 1.852 7.036 7.598 1975 10 07 14 21 50.80 -4.35 100 67.120 2.524 7.108 8.341 1975 10 08 08 11 50.80 -4.35 100 70.712 2.947 7.256 8.439 1975 10 08 10 32 50.80 -4.35 100 57.886 1.865 7.328 8.535 1975 10 08 12 50 50.80 -4.35 100 59.142 1.931 7.672 8.593 1975 10 08 14 14 50.80 -4.35 100 66.646 2.478 7.425 9.371 1975 10 09 08 53 50.80 -4.35 100 66.041 2.421 7.925 9.374 1975 10 09 08 58 50.80 -4.35 100 65.507 2.374 8.032 9.521 1975 10 09 12 29 50.80 -4.35 100 58.379 1.890 8.212 9.594 1975 10 09 14 15 50.80 -4.35 100 67.096 2.522 8.433 10.358 1975 10 10 08 35 50.80 -4.35 100 68.426 2.662 8.089 10.431 1975 10 10 10 20 50.80 -4.35 100 59.228 1.936 8.220 10.434 1975 10 10 10 24 50.80 -4.35 100 58.990 1.923 8.140 10.532 1975 10 10 12 46 50.80 -4.35 100 59.643 1.959 8.220 10.536 1975 10 10 12 51 50.80 -4.35 100 60.002 1.980 8.193 10.592 1975 10 10 14 12 50.80 -4.35 100 67.152 2.528 8.247 10.595 1975 10 10 14 16 50.80 -4.35 100 67.680 2.582 8.382 13.413 1975 10 13 09 55 50.80 -4.35 100 61.813 2.092 8.779 13.447 1975 10 13 10 43 50.80 -4.35 100 59.233 1.936 8.656 13.515 1975 10 13 12 21 50.80 -4.35 100 59.533 1.953 8.704 14.347 1975 10 14 08 19 50.80 -4.35 100 71.478 3.057 8.680 14.452 1975 10 14 10 50 50.80 -4.35 100 59.373 1.944 8.852 14.527 1975 10 14 12 38 50.80 -4.35 100 60.727 2.023 8.360 14.605 1975 10 14 14 30 50.80 -4.35 100 70.750 2.952 8.631 15.350 1975 10 15 08 23 50.80 -4.35 100 71.343 3.037 8.089 15.440 1975 10 15 10 33 50.80 -4.35 100 60.353 2.001 7.868 15.529 1975 10 15 12 42 50.80 -4.35 100 61.306 2.060 8.013 17.390 1975 10 17 09 21 50.80 -4.35 100 65.861 2.405 8.532 17.449 1975 10 17 10 46 50.80 -4.35 100 60.571 2.014 8.604 17.539 1975 10 17 12 56 50.80 -4.35 100 62.898 2.167 8.408 17.578 1975 10 17 13 52 50.80 -4.35 100 67.614 2.575 8.360 20.353 1975 10 20 08 28 50.80 -4.35 100 72.237 3.175 8.951 20.438 1975 10 20 10 30 50.80 -4.35 100 62.246 2.122 8.532 20.520 1975 10 20 12 29 50.80 -4.35 100 62.469 2.137 8.604 20.589 1975 10 20 14 07 50.80 -4.35 100 70.242 2.883 8.903 21.376 1975 10 21 09 02 50.80 -4.35 100 68.963 2.724 8.779 21.434 1975 10 21 10 24 50.80 -4.35 100 62.843 2.163 8.532 21.473 1975 10 21 11 20 50.80 -4.35 100 61.380 2.064 8.556 21.515 1975 10 21 12 22 50.80 -4.35 100 62.519 2.140 8.457 22.352 1975 10 22 08 26 50.80 -4.35 100 73.072 3.315 7.621 22.407 1975 10 22 09 46 50.80 -4.35 100 65.472 2.371 7.495 22.411 1975 10 22 09 51 50.80 -4.35 100 65.132 2.341 7.388 22.518 1975 10 22 12 26 50.80 -4.35 100 63.075 2.180 7.304 22.600 1975 10 22 14 23 50.80 -4.35 100 72.632 3.240 7.253 22.603 1975 10 22 14 28 50.80 -4.35 100 73.239 3.345 7.522 23.425 1975 10 23 10 11 50.80 -4.35 100 64.202 2.265 6.958 23.427 1975 10 23 10 15 50.80 -4.35 100 64.001 2.249 6.823 23.502 1975 10 23 12 02 50.80 -4.35 100 62.571 2.144 6.985 23.505 1975 10 23 12 07 50.80 -4.35 100 62.715 2.154 6.850 23.582 1975 10 23 13 57 50.80 -4.35 100 70.230 2.882 6.963 24.437 1975 10 24 10 29 50.80 -4.35 100 63.650 2.222 6.770 24.440 1975 10 24 10 33 50.80 -4.35 100 63.469 2.209 6.662 24.512 1975 10 24 12 17 50.80 -4.35 100 63.414 2.205 6.797 24.516 1975 10 24 12 22 50.80 -4.35 100 63.607 2.219 6.689 24.580 1975 10 24 13 55 50.80 -4.35 100 70.283 2.889 6.689 24.583 1975 10 24 13 59 50.80 -4.35 100 70.725 2.949 6.743 27.424 1975 10 27 10 10 50.80 -4.35 100 65.584 2.380 6.939 27.499 1975 10 27 11 58 50.80 -4.35 100 63.841 2.237 6.915 27.587 1975 10 27 14 04 50.80 -4.35 100 72.219 3.172 7.060 28.367 1975 10 28 08 47 50.80 -4.35 100 72.508 3.219 7.280 28.519 1975 10 28 12 27 50.80 -4.35 100 65.164 2.344 7.132 29.406 1975 10 29 09 44 50.80 -4.35 100 67.833 2.598 6.662 29.410 1975 10 29 09 50 50.80 -4.35 100 67.418 2.555 6.555 29.488 1975 10 29 11 42 50.80 -4.35 100 64.231 2.267 6.635 29.491 1975 10 29 11 47 50.80 -4.35 100 64.292 2.272 6.528 30.382 1975 10 30 09 10 50.80 -4.35 100 70.903 2.974 6.743 30.541 1975 10 30 12 58 50.80 -4.35 100 67.581 2.571 6.528 30.545 1975 10 30 13 04 50.80 -4.35 100 67.975 2.613 6.501 31.417 1975 10 31 10 00 50.80 -4.35 100 67.427 2.555 6.904 31.420 1975 10 31 10 04 50.80 -4.35 100 67.167 2.529 6.823 31.517 1975 10 31 12 24 50.80 -4.35 100 66.058 2.423 6.958 31.520 1975 10 31 12 29 50.80 -4.35 100 66.252 2.441 6.877 31.566 1975 10 31 13 35 50.80 -4.35 100 70.653 2.939 7.036