De Backer H. DOBSON UCCLE TOTALCOL 01-JAN-1997 00:00:0031-JAN-1997 23:59:590001 30 1010 Hugo De Backer Uccle; Royal Meteorological Institute Belgium Dobson Spectrophotometer Instrument No.40 NDSC 1 1 1997 01 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 3.473 1997 01 03 11 20 50.80 -4.35 100 73.821 3.452 9.075 3.507 1997 01 03 12 10 50.80 -4.35 100 73.771 3.443 9.002 6.439 1997 01 06 10 31 50.80 -4.35 100 75.206 3.739 9.496 6.479 1997 01 06 11 30 50.80 -4.35 100 73.370 3.368 9.647 6.430 1997 01 06 10 19 50.80 -4.35 100 75.829 3.883 9.623 6.499 1997 01 06 11 57 50.80 -4.35 100 73.285 3.353 9.695 6.454 1997 01 06 10 53 50.80 -4.35 100 74.256 3.538 9.150 8.497 1997 01 08 11 55 50.80 -4.35 100 73.007 3.304 8.903 9.435 1997 01 09 10 26 50.80 -4.35 100 75.124 3.720 9.821 9.472 1997 01 09 11 19 50.80 -4.35 100 73.163 3.331 9.695 10.454 1997 01 10 10 53 50.80 -4.35 100 73.771 3.443 9.770 13.438 1997 01 13 10 30 50.80 -4.35 100 74.381 3.563 8.032 13.440 1997 01 13 10 33 50.80 -4.35 100 74.234 3.533 7.710 13.488 1997 01 13 11 43 50.80 -4.35 100 72.244 3.176 7.621 14.441 1997 01 14 10 35 50.80 -4.35 100 73.996 3.486 7.173 14.443 1997 01 14 10 37 50.80 -4.35 100 73.892 3.466 7.200 14.509 1997 01 14 12 13 50.80 -4.35 100 72.206 3.170 7.119 14.511 1997 01 14 12 15 50.80 -4.35 100 72.230 3.173 7.146 15.435 1997 01 15 10 27 50.80 -4.35 100 74.277 3.542 7.388 15.437 1997 01 15 10 29 50.80 -4.35 100 74.141 3.514 7.468 15.489 1997 01 15 11 44 50.80 -4.35 100 71.885 3.119 7.468 15.491 1997 01 15 11 46 50.80 -4.35 100 71.873 3.117 7.602 15.555 1997 01 15 13 19 50.80 -4.35 100 74.376 3.562 7.602 15.557 1997 01 15 13 21 50.80 -4.35 100 74.504 3.588 7.495 16.408 1997 01 16 09 48 50.80 -4.35 100 76.738 4.115 7.307 16.410 1997 01 16 09 50 50.80 -4.35 100 76.581 4.073 7.011 16.492 1997 01 16 11 48 50.80 -4.35 100 71.681 3.087 7.388 16.493 1997 01 16 11 50 50.80 -4.35 100 71.675 3.087 7.280 16.558 1997 01 16 13 23 50.80 -4.35 100 74.389 3.564 7.200 16.559 1997 01 16 13 24 50.80 -4.35 100 74.482 3.583 7.173 17.454 1997 01 17 10 53 50.80 -4.35 100 72.683 3.248 7.576 17.455 1997 01 17 10 54 50.80 -4.35 100 72.621 3.238 7.522 17.534 1997 01 17 12 49 50.80 -4.35 100 72.544 3.225 7.791 17.535 1997 01 17 12 50 50.80 -4.35 100 72.608 3.235 7.629 18.402 1997 01 18 09 39 50.80 -4.35 100 77.119 4.220 9.523 19.407 1997 01 19 09 46 50.80 -4.35 100 76.363 4.016 9.448 20.407 1997 01 20 09 45 50.80 -4.35 100 76.271 3.993 8.903 20.435 1997 01 20 10 26 50.80 -4.35 100 73.396 3.373 8.852 20.511 1997 01 20 12 15 50.80 -4.35 100 71.006 2.988 8.408 20.545 1997 01 20 13 04 50.80 -4.35 100 72.551 3.226 8.261 21.411 1997 01 21 09 51 50.80 -4.35 100 75.632 3.836 8.604 21.446 1997 01 21 10 42 50.80 -4.35 100 72.354 3.194 8.508 21.543 1997 01 21 13 02 50.80 -4.35 100 72.217 3.171 8.137 22.396 1997 01 22 09 30 50.80 -4.35 100 77.161 4.232 8.285 22.442 1997 01 22 10 35 50.80 -4.35 100 72.496 3.217 8.360 22.541 1997 01 22 12 59 50.80 -4.35 100 71.822 3.109 7.769 23.397 1997 01 23 09 32 50.80 -4.35 100 76.856 4.147 7.721 23.441 1997 01 23 10 35 50.80 -4.35 100 72.309 3.186 8.333 23.543 1997 01 23 13 01 50.80 -4.35 100 71.697 3.090 8.384 24.444 1997 01 24 10 39 50.80 -4.35 100 71.850 3.113 8.656 24.481 1997 01 24 11 32 50.80 -4.35 100 70.107 2.866 8.656 24.502 1997 01 24 12 02 50.80 -4.35 100 69.945 2.845 8.532 24.552 1997 01 24 13 14 50.80 -4.35 100 72.084 3.150 8.457 26.409 1997 01 26 09 48 50.80 -4.35 100 74.833 3.657 9.349 27.439 1997 01 27 10 32 50.80 -4.35 100 71.558 3.069 9.050 27.505 1997 01 27 12 07 50.80 -4.35 100 69.223 2.755 8.680 27.558 1997 01 27 13 23 50.80 -4.35 100 71.827 3.110 8.333 28.440 1997 01 28 10 34 50.80 -4.35 100 71.202 3.016 10.321 28.469 1997 01 28 11 15 50.80 -4.35 100 69.477 2.786 10.195 28.541 1997 01 28 12 59 50.80 -4.35 100 70.326 2.894 10.246 29.419 1997 01 29 10 03 50.80 -4.35 100 72.954 3.295 10.171 29.493 1997 01 29 11 50 50.80 -4.35 100 68.653 2.688 10.321 29.551 1997 01 29 13 14 50.80 -4.35 100 70.756 2.953 10.120 30.437 1997 01 30 10 28 50.80 -4.35 100 71.012 2.989 9.572 30.485 1997 01 30 11 37 50.80 -4.35 100 68.489 2.669 9.496 30.564 1997 01 30 13 31 50.80 -4.35 100 71.532 3.065 9.722 31.428 1997 01 31 10 16 50.80 -4.35 100 71.518 3.063 9.298 31.483 1997 01 31 11 35 50.80 -4.35 100 68.249 2.643 9.101 31.557 1997 01 31 13 22 50.80 -4.35 100 70.645 2.938 9.572