De Backer H. DOBSON UCCLE TOTALCOL 01-JUL-1998 00:00:0031-JUL-1998 23:59:590001 30 1010 Hugo De Backer Uccle; Royal Meteorological Institute Belgium Dobson Spectrophotometer Instrument No.40 NDSC 1 1 1998 07 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 1.321 1998 07 01 07 42 50.80 -4.35 100 54.087 1.694 9.547 1.411 1998 07 01 09 51 50.80 -4.35 100 35.470 1.226 9.373 1.561 1998 07 01 13 28 50.80 -4.35 100 34.019 1.205 9.424 2.323 1998 07 02 07 45 50.80 -4.35 100 53.708 1.679 9.273 2.377 1998 07 02 09 03 50.80 -4.35 100 41.974 1.341 9.324 2.532 1998 07 02 12 46 50.80 -4.35 100 30.115 1.155 9.448 3.326 1998 07 03 07 49 50.80 -4.35 100 53.113 1.656 9.623 3.389 1998 07 03 09 20 50.80 -4.35 100 39.723 1.297 9.324 3.515 1998 07 03 12 22 50.80 -4.35 100 28.680 1.139 9.324 4.320 1998 07 04 07 40 50.80 -4.35 100 54.654 1.717 9.150 5.320 1998 07 05 07 40 50.80 -4.35 100 54.802 1.723 8.236 6.322 1998 07 06 07 44 50.80 -4.35 100 54.299 1.702 8.779 6.422 1998 07 06 10 07 50.80 -4.35 100 34.102 1.206 9.647 7.340 1998 07 07 08 10 50.80 -4.35 100 50.346 1.559 9.623 7.434 1998 07 07 10 24 50.80 -4.35 100 32.485 1.184 10.171 8.338 1998 07 08 08 07 50.80 -4.35 100 50.912 1.578 9.448 8.382 1998 07 08 09 10 50.80 -4.35 100 41.596 1.334 9.349 8.539 1998 07 08 12 56 50.80 -4.35 100 31.353 1.170 8.975 9.352 1998 07 09 08 26 50.80 -4.35 100 48.088 1.491 9.671 9.451 1998 07 09 10 49 50.80 -4.35 100 30.633 1.161 9.647 10.336 1998 07 10 08 03 50.80 -4.35 100 51.658 1.603 9.101 10.430 1998 07 10 10 19 50.80 -4.35 100 33.377 1.196 9.596 11.359 1998 07 11 08 36 50.80 -4.35 100 46.755 1.454 9.349 11.402 1998 07 11 09 39 50.80 -4.35 100 38.081 1.268 9.623 12.341 1998 07 12 08 10 50.80 -4.35 100 50.839 1.575 9.373 12.408 1998 07 12 09 48 50.80 -4.35 100 37.111 1.252 8.803 13.323 1998 07 13 07 44 50.80 -4.35 100 54.956 1.730 9.448 13.427 1998 07 13 10 14 50.80 -4.35 100 34.252 1.208 9.870 13.529 1998 07 13 12 41 50.80 -4.35 100 30.787 1.163 9.623 14.385 1998 07 14 09 14 50.80 -4.35 100 41.730 1.336 10.520 14.445 1998 07 14 10 40 50.80 -4.35 100 32.036 1.178 10.445 14.541 1998 07 14 12 58 50.80 -4.35 100 32.227 1.181 10.496 15.326 1998 07 15 07 49 50.80 -4.35 100 54.499 1.711 10.496 15.389 1998 07 15 09 20 50.80 -4.35 100 41.066 1.323 10.071 15.547 1998 07 15 13 07 50.80 -4.35 100 33.119 1.192 10.321 16.393 1998 07 16 09 25 50.80 -4.35 100 40.579 1.313 10.520 16.518 1998 07 16 12 25 50.80 -4.35 100 30.342 1.157 10.321 17.322 1998 07 17 07 42 50.80 -4.35 100 55.788 1.766 9.695 17.392 1998 07 17 09 23 50.80 -4.35 100 40.918 1.320 9.324 17.553 1998 07 17 13 15 50.80 -4.35 100 34.194 1.207 9.572 18.315 1998 07 18 07 33 50.80 -4.35 100 57.464 1.844 8.827 19.313 1998 07 19 07 31 50.80 -4.35 100 57.895 1.866 8.631 20.330 1998 07 20 07 55 50.80 -4.35 100 54.222 1.699 8.435 20.332 1998 07 20 07 58 50.80 -4.35 100 53.872 1.685 8.489 20.384 1998 07 20 09 12 50.80 -4.35 100 42.921 1.362 8.462 20.385 1998 07 20 09 14 50.80 -4.35 100 42.617 1.355 8.623 20.525 1998 07 20 12 36 50.80 -4.35 100 31.561 1.172 8.309 21.328 1998 07 21 07 52 50.80 -4.35 100 54.885 1.727 9.373 22.337 1998 07 22 08 05 50.80 -4.35 100 53.035 1.653 9.214 22.339 1998 07 22 08 08 50.80 -4.35 100 52.631 1.638 9.349 22.392 1998 07 22 09 24 50.80 -4.35 100 41.646 1.335 9.373 22.533 1998 07 22 12 46 50.80 -4.35 100 32.606 1.185 9.026 23.331 1998 07 23 07 55 50.80 -4.35 100 54.658 1.717 9.547 23.400 1998 07 23 09 35 50.80 -4.35 100 40.346 1.309 9.150 23.502 1998 07 23 12 02 50.80 -4.35 100 30.851 1.163 9.547 24.319 1998 07 24 07 39 50.80 -4.35 100 57.455 1.844 8.973 24.320 1998 07 24 07 41 50.80 -4.35 100 57.067 1.825 9.080 24.401 1998 07 24 09 37 50.80 -4.35 100 40.301 1.308 8.927 24.520 1998 07 24 12 28 50.80 -4.35 100 31.902 1.176 9.298 25.335 1998 07 25 08 02 50.80 -4.35 100 53.940 1.688 9.107 25.338 1998 07 25 08 06 50.80 -4.35 100 53.379 1.666 9.241 25.378 1998 07 25 09 04 50.80 -4.35 100 44.851 1.406 9.053 25.381 1998 07 25 09 07 50.80 -4.35 100 44.370 1.394 9.134 26.339 1998 07 26 08 07 50.80 -4.35 100 53.379 1.666 8.865 26.341 1998 07 26 08 11 50.80 -4.35 100 52.833 1.646 8.946 26.382 1998 07 26 09 09 50.80 -4.35 100 44.283 1.392 8.784 26.385 1998 07 26 09 14 50.80 -4.35 100 43.725 1.379 8.865 27.314 1998 07 27 07 31 50.80 -4.35 100 59.124 1.930 9.241 27.314 1998 07 27 07 32 50.80 -4.35 100 58.954 1.921 9.483 27.397 1998 07 27 09 31 50.80 -4.35 100 41.673 1.335 9.249 27.507 1998 07 27 12 10 50.80 -4.35 100 31.895 1.176 10.345 28.318 1998 07 28 07 38 50.80 -4.35 100 58.227 1.883 8.975 28.398 1998 07 28 09 32 50.80 -4.35 100 41.627 1.334 9.797 28.533 1998 07 28 12 47 50.80 -4.35 100 33.858 1.202 9.921 29.364 1998 07 29 08 44 50.80 -4.35 100 48.363 1.499 8.704 30.369 1998 07 30 08 50 50.80 -4.35 100 47.666 1.479 8.827 30.491 1998 07 30 11 47 50.80 -4.35 100 32.307 1.182 9.225 31.333 1998 07 31 08 00 50.80 -4.35 100 55.368 1.747 10.246 31.373 1998 07 31 08 56 50.80 -4.35 100 47.064 1.462 9.671