De Backer H. BREWER UCCLE TOTALCOL 01-SEP-1987 00:00:0030-SEP-1987 23:59:590001 30 1010 Hugo De Backer Uccle; Royal Meteorological Institute Belgium Brewer Spectrophotometer Instrument No.16 NDSC 1 1 1987 09 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 1.332 1987 09 01 07 57 50.80 -4.35 100 62.583 2.144 7.928 1.405 1987 09 01 09 42 50.80 -4.35 100 49.120 1.521 7.995 1.407 1987 09 01 09 46 50.80 -4.35 100 48.715 1.509 7.863 1.462 1987 09 01 11 04 50.80 -4.35 100 43.137 1.366 8.056 1.500 1987 09 01 11 59 50.80 -4.35 100 42.575 1.354 7.868 1.554 1987 09 01 13 18 50.80 -4.35 100 46.802 1.455 7.949 2.354 1987 09 02 08 29 50.80 -4.35 100 58.332 1.888 8.022 2.408 1987 09 02 09 46 50.80 -4.35 100 48.978 1.517 8.191 2.462 1987 09 02 11 05 50.80 -4.35 100 43.447 1.373 8.459 2.562 1987 09 02 13 28 50.80 -4.35 100 48.143 1.492 7.973 3.335 1987 09 03 08 02 50.80 -4.35 100 62.415 2.133 7.581 3.437 1987 09 03 10 28 50.80 -4.35 100 45.722 1.427 7.688 3.501 1987 09 03 12 01 50.80 -4.35 100 43.345 1.371 7.817 3.578 1987 09 03 13 52 50.80 -4.35 100 50.955 1.579 7.678 4.352 1987 09 04 08 27 50.80 -4.35 100 59.150 1.932 7.879 4.564 1987 09 04 13 31 50.80 -4.35 100 49.156 1.522 7.868 5.341 1987 09 05 08 11 50.80 -4.35 100 61.559 2.076 8.245 5.427 1987 09 05 10 14 50.80 -4.35 100 47.448 1.473 8.177 6.346 1987 09 06 08 17 50.80 -4.35 100 60.935 2.036 8.075 7.333 1987 09 07 07 59 50.80 -4.35 100 63.866 2.239 7.686 7.411 1987 09 07 09 52 50.80 -4.35 100 49.986 1.548 7.672 8.348 1987 09 08 08 21 50.80 -4.35 100 60.957 2.037 8.449 8.475 1987 09 08 11 24 50.80 -4.35 100 45.128 1.413 8.317 8.506 1987 09 08 12 08 50.80 -4.35 100 45.380 1.419 8.312 8.556 1987 09 08 13 20 50.80 -4.35 100 49.640 1.537 8.333 9.335 1987 09 09 08 02 50.80 -4.35 100 63.819 2.235 8.510 9.389 1987 09 09 09 19 50.80 -4.35 100 53.961 1.689 8.330 9.445 1987 09 09 10 41 50.80 -4.35 100 47.004 1.461 8.223 9.501 1987 09 09 12 01 50.80 -4.35 100 45.599 1.424 8.199 9.508 1987 09 09 12 11 50.80 -4.35 100 45.849 1.430 8.212 9.557 1987 09 09 13 22 50.80 -4.35 100 50.211 1.555 8.199 9.561 1987 09 09 13 27 50.80 -4.35 100 50.615 1.568 8.196 10.340 1987 09 10 08 09 50.80 -4.35 100 63.113 2.182 7.971 10.453 1987 09 10 10 52 50.80 -4.35 100 46.790 1.455 7.965 10.558 1987 09 10 13 23 50.80 -4.35 100 50.651 1.569 8.065 11.443 1987 09 11 10 37 50.80 -4.35 100 47.894 1.485 7.925 11.501 1987 09 11 12 01 50.80 -4.35 100 46.367 1.444 7.987 11.557 1987 09 11 13 22 50.80 -4.35 100 50.936 1.579 8.003 12.355 1987 09 12 08 31 50.80 -4.35 100 60.669 2.020 7.885 13.381 1987 09 13 09 08 50.80 -4.35 100 56.449 1.795 7.535 13.452 1987 09 13 10 50 50.80 -4.35 100 47.968 1.487 7.495 14.459 1987 09 14 11 01 50.80 -4.35 100 47.912 1.486 7.272 14.517 1987 09 14 12 25 50.80 -4.35 100 48.311 1.497 7.259 14.557 1987 09 14 13 22 50.80 -4.35 100 52.109 1.619 7.441 15.401 1987 09 15 09 37 50.80 -4.35 100 53.976 1.689 7.304 15.469 1987 09 15 11 15 50.80 -4.35 100 47.898 1.485 7.361 15.498 1987 09 15 11 56 50.80 -4.35 100 47.832 1.483 7.318 15.582 1987 09 15 13 57 50.80 -4.35 100 55.969 1.774 7.267 16.341 1987 09 16 08 10 50.80 -4.35 100 64.597 2.296 7.138 16.468 1987 09 16 11 14 50.80 -4.35 100 48.296 1.497 7.044 16.507 1987 09 16 12 09 50.80 -4.35 100 48.532 1.504 7.140 16.510 1987 09 16 12 14 50.80 -4.35 100 48.681 1.508 7.224 16.554 1987 09 16 13 17 50.80 -4.35 100 52.496 1.633 7.205 17.476 1987 09 17 11 25 50.80 -4.35 100 48.502 1.503 7.148 17.506 1987 09 17 12 08 50.80 -4.35 100 48.885 1.514 7.229 17.509 1987 09 17 12 13 50.80 -4.35 100 49.039 1.519 7.224 17.547 1987 09 17 13 08 50.80 -4.35 100 52.115 1.619 7.170 17.550 1987 09 17 13 12 50.80 -4.35 100 52.449 1.631 7.275 18.334 1987 09 18 08 00 50.80 -4.35 100 66.539 2.467 7.952 18.471 1987 09 18 11 17 50.80 -4.35 100 48.988 1.517 7.874 18.503 1987 09 18 12 04 50.80 -4.35 100 49.178 1.523 7.933 18.576 1987 09 18 13 48 50.80 -4.35 100 56.232 1.786 7.997 21.463 1987 09 21 11 07 50.80 -4.35 100 50.350 1.559 7.173 21.512 1987 09 21 12 16 50.80 -4.35 100 50.746 1.572 7.191 21.515 1987 09 21 12 21 50.80 -4.35 100 50.915 1.578 7.224 21.555 1987 09 21 13 19 50.80 -4.35 100 54.590 1.714 7.226 21.558 1987 09 21 13 23 50.80 -4.35 100 54.994 1.731 7.226 22.331 1987 09 22 07 56 50.80 -4.35 100 68.143 2.630 6.966 22.406 1987 09 22 09 44 50.80 -4.35 100 55.540 1.755 6.934 22.470 1987 09 22 11 17 50.80 -4.35 100 50.517 1.565 7.114 22.503 1987 09 22 12 04 50.80 -4.35 100 50.772 1.573 7.057 23.343 1987 09 23 08 13 50.80 -4.35 100 66.120 2.428 7.758 23.564 1987 09 23 13 32 50.80 -4.35 100 56.557 1.800 7.764 24.328 1987 09 24 07 52 50.80 -4.35 100 69.371 2.772 8.844 24.394 1987 09 24 09 26 50.80 -4.35 100 57.897 1.865 8.653 24.510 1987 09 24 12 13 50.80 -4.35 100 51.834 1.609 8.913 25.339 1987 09 25 08 07 50.80 -4.35 100 67.494 2.562 8.583 25.347 1987 09 25 08 19 50.80 -4.35 100 65.918 2.410 8.416 25.387 1987 09 25 09 17 50.80 -4.35 100 59.108 1.929 8.449 25.393 1987 09 25 09 26 50.80 -4.35 100 58.272 1.885 8.304 26.333 1987 09 26 07 59 50.80 -4.35 100 68.851 2.710 7.820 26.341 1987 09 26 08 10 50.80 -4.35 100 67.436 2.556 7.952 26.392 1987 09 26 09 24 50.80 -4.35 100 58.732 1.909 7.885 26.395 1987 09 26 09 29 50.80 -4.35 100 58.283 1.885 7.981 27.344 1987 09 27 08 15 50.80 -4.35 100 67.118 2.524 8.320 27.350 1987 09 27 08 23 50.80 -4.35 100 65.992 2.416 8.089 27.432 1987 09 27 10 21 50.80 -4.35 100 54.507 1.711 8.355 28.360 1987 09 28 08 39 50.80 -4.35 100 64.391 2.280 7.941 28.495 1987 09 28 11 53 50.80 -4.35 100 52.888 1.648 8.121 28.556 1987 09 28 13 20 50.80 -4.35 100 57.437 1.843 7.611 28.600 1987 09 28 14 24 50.80 -4.35 100 64.033 2.252 7.919 29.326 1987 09 29 07 49 50.80 -4.35 100 71.065 2.995 7.578 29.364 1987 09 29 08 44 50.80 -4.35 100 64.077 2.255 7.584 29.370 1987 09 29 08 52 50.80 -4.35 100 63.070 2.179 7.447 29.491 1987 09 29 11 47 50.80 -4.35 100 53.195 1.659 7.764 29.497 1987 09 29 11 56 50.80 -4.35 100 53.340 1.665 7.737 29.539 1987 09 29 12 56 50.80 -4.35 100 56.016 1.776 7.645 29.626 1987 09 29 15 01 50.80 -4.35 100 69.191 2.750 7.543 30.327 1987 09 30 07 50 50.80 -4.35 100 71.240 3.021 7.221 30.345 1987 09 30 08 16 50.80 -4.35 100 67.836 2.597 7.294 30.478 1987 09 30 11 27 50.80 -4.35 100 53.500 1.671 7.251 30.481 1987 09 30 11 32 50.80 -4.35 100 53.490 1.670 7.296 30.553 1987 09 30 13 15 50.80 -4.35 100 57.883 1.865 7.347 30.600 1987 09 30 14 24 50.80 -4.35 100 64.849 2.317 7.315