De Backer H. DOBSON UCCLE TOTALCOL 01-SEP-1990 00:00:0030-SEP-1990 23:59:590001 30 1010 Hugo De Backer Uccle; Royal Meteorological Institute Belgium Dobson Spectrophotometer Instrument No.40 NDSC 1 1 1990 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 2.348 1990 09 02 08 21 50.80 -4.35 100 59.475 1.950 7.842 2.387 1990 09 02 09 16 50.80 -4.35 100 52.332 1.627 7.842 3.349 1990 09 03 08 22 50.80 -4.35 100 59.538 1.953 7.893 3.399 1990 09 03 09 34 50.80 -4.35 100 50.640 1.569 7.925 3.400 1990 09 03 09 35 50.80 -4.35 100 50.514 1.565 7.871 3.471 1990 09 03 11 18 50.80 -4.35 100 43.520 1.375 7.898 3.472 1990 09 03 11 19 50.80 -4.35 100 43.494 1.374 7.979 3.534 1990 09 03 12 48 50.80 -4.35 100 45.412 1.420 8.065 4.453 1990 09 04 10 51 50.80 -4.35 100 44.825 1.405 8.532 4.539 1990 09 04 12 56 50.80 -4.35 100 46.296 1.442 8.631 5.356 1990 09 05 08 32 50.80 -4.35 100 58.743 1.910 7.361 5.357 1990 09 05 08 33 50.80 -4.35 100 58.575 1.901 7.280 5.470 1990 09 05 11 16 50.80 -4.35 100 44.288 1.392 7.377 5.506 1990 09 05 12 08 50.80 -4.35 100 44.363 1.394 7.573 5.535 1990 09 05 12 49 50.80 -4.35 100 46.261 1.441 7.597 6.366 1990 09 06 08 47 50.80 -4.35 100 57.069 1.825 8.040 6.534 1990 09 06 12 49 50.80 -4.35 100 46.599 1.450 8.309 9.331 1990 09 09 07 56 50.80 -4.35 100 64.861 2.318 8.704 9.366 1990 09 09 08 46 50.80 -4.35 100 58.018 1.872 8.508 10.341 1990 09 10 08 10 50.80 -4.35 100 63.042 2.177 8.185 10.463 1990 09 10 11 06 50.80 -4.35 100 46.378 1.444 8.333 10.497 1990 09 10 11 56 50.80 -4.35 100 46.001 1.434 8.333 10.537 1990 09 10 12 53 50.80 -4.35 100 48.403 1.500 8.556 11.352 1990 09 11 08 26 50.80 -4.35 100 61.206 2.053 7.893 11.462 1990 09 11 11 05 50.80 -4.35 100 46.771 1.454 8.185 12.356 1990 09 12 08 33 50.80 -4.35 100 60.581 2.014 8.040 12.482 1990 09 12 11 33 50.80 -4.35 100 46.634 1.451 7.893 12.559 1990 09 12 13 24 50.80 -4.35 100 51.613 1.602 7.769 13.340 1990 09 13 08 10 50.80 -4.35 100 63.945 2.245 7.965 13.464 1990 09 13 11 08 50.80 -4.35 100 47.415 1.472 7.793 13.539 1990 09 13 12 56 50.80 -4.35 100 49.816 1.542 7.844 13.540 1990 09 13 12 58 50.80 -4.35 100 49.898 1.545 7.925 14.358 1990 09 14 08 35 50.80 -4.35 100 60.862 2.032 7.656 14.360 1990 09 14 08 38 50.80 -4.35 100 60.472 2.008 7.791 14.463 1990 09 14 11 06 50.80 -4.35 100 47.855 1.484 7.683 14.465 1990 09 14 11 08 50.80 -4.35 100 47.778 1.482 7.629 14.557 1990 09 14 13 22 50.80 -4.35 100 52.189 1.622 7.710 14.559 1990 09 14 13 24 50.80 -4.35 100 52.452 1.632 7.710 15.344 1990 09 15 08 15 50.80 -4.35 100 63.780 2.232 7.401 15.419 1990 09 15 10 03 50.80 -4.35 100 51.675 1.604 7.629 15.421 1990 09 15 10 06 50.80 -4.35 100 51.459 1.596 7.710 16.342 1990 09 16 08 11 50.80 -4.35 100 64.517 2.290 7.745 16.398 1990 09 16 09 33 50.80 -4.35 100 54.716 1.720 7.721 18.336 1990 09 18 08 04 50.80 -4.35 100 66.094 2.426 7.401 18.459 1990 09 18 11 00 50.80 -4.35 100 49.512 1.533 7.573 18.497 1990 09 18 11 55 50.80 -4.35 100 49.088 1.520 7.549 19.357 1990 09 19 08 34 50.80 -4.35 100 62.436 2.135 7.769 19.486 1990 09 19 11 39 50.80 -4.35 100 49.322 1.527 7.989 19.520 1990 09 19 12 28 50.80 -4.35 100 50.555 1.566 8.236 20.363 1990 09 20 08 43 50.80 -4.35 100 61.588 2.078 8.481 20.482 1990 09 20 11 34 50.80 -4.35 100 49.706 1.539 8.951 20.535 1990 09 20 12 50 50.80 -4.35 100 52.174 1.622 9.225 21.347 1990 09 21 08 20 50.80 -4.35 100 64.783 2.312 8.261 23.391 1990 09 23 09 22 50.80 -4.35 100 58.071 1.875 7.842 24.359 1990 09 24 08 37 50.80 -4.35 100 63.482 2.210 8.892 24.361 1990 09 24 08 39 50.80 -4.35 100 63.263 2.194 8.919 24.470 1990 09 24 11 16 50.80 -4.35 100 51.404 1.595 9.107 24.538 1990 09 24 12 55 50.80 -4.35 100 54.069 1.693 8.481 25.494 1990 09 25 11 50 50.80 -4.35 100 51.775 1.607 8.580 26.373 1990 09 26 08 57 50.80 -4.35 100 61.734 2.087 8.755 26.471 1990 09 26 11 17 50.80 -4.35 100 52.152 1.621 8.532 26.496 1990 09 26 11 54 50.80 -4.35 100 52.232 1.624 8.580 27.350 1990 09 27 08 23 50.80 -4.35 100 66.072 2.424 7.645 27.355 1990 09 27 08 31 50.80 -4.35 100 65.055 2.335 7.645 28.617 1990 09 28 14 48 50.80 -4.35 100 67.155 2.528 6.958 28.618 1990 09 28 14 50 50.80 -4.35 100 67.446 2.557 6.985 29.330 1990 09 29 07 54 50.80 -4.35 100 70.479 2.915 7.208 30.354 1990 09 30 08 30 50.80 -4.35 100 66.165 2.433 7.377