De Backer H. DOBSON UCCLE TOTALCOL 01-MAY-1998 00:00:0031-MAY-1998 23:59:590001 30 1010 Hugo De Backer Uccle; Royal Meteorological Institute Belgium Dobson Spectrophotometer Instrument No.40 NDSC 1 1 1998 05 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 1.348 1998 05 01 08 21 50.80 -4.35 100 53.337 1.665 10.420 1.451 1998 05 01 10 50 50.80 -4.35 100 37.089 1.251 10.595 2.349 1998 05 02 08 23 50.80 -4.35 100 52.819 1.645 10.821 2.450 1998 05 02 10 48 50.80 -4.35 100 36.884 1.248 11.073 3.352 1998 05 03 08 26 50.80 -4.35 100 52.046 1.617 10.772 3.454 1998 05 03 10 53 50.80 -4.35 100 36.327 1.239 10.496 4.323 1998 05 04 07 44 50.80 -4.35 100 58.088 1.875 9.671 4.418 1998 05 04 10 02 50.80 -4.35 100 39.888 1.300 9.671 4.552 1998 05 04 13 15 50.80 -4.35 100 39.788 1.298 9.448 5.325 1998 05 05 07 48 50.80 -4.35 100 57.320 1.837 9.821 5.376 1998 05 05 09 01 50.80 -4.35 100 46.740 1.454 9.972 5.538 1998 05 05 12 55 50.80 -4.35 100 37.720 1.262 10.345 6.328 1998 05 06 07 52 50.80 -4.35 100 56.430 1.795 10.171 6.382 1998 05 06 09 09 50.80 -4.35 100 45.415 1.420 10.345 6.547 1998 05 06 13 08 50.80 -4.35 100 38.584 1.277 10.369 7.326 1998 05 07 07 49 50.80 -4.35 100 56.613 1.803 9.496 7.412 1998 05 07 09 52 50.80 -4.35 100 40.079 1.304 9.225 7.543 1998 05 07 13 01 50.80 -4.35 100 37.736 1.262 9.424 8.324 1998 05 08 07 46 50.80 -4.35 100 56.957 1.819 9.617 8.326 1998 05 08 07 49 50.80 -4.35 100 56.436 1.795 9.644 8.382 1998 05 08 09 09 50.80 -4.35 100 44.976 1.409 9.572 8.545 1998 05 08 13 04 50.80 -4.35 100 37.793 1.263 9.746 9.323 1998 05 09 07 44 50.80 -4.35 100 56.952 1.819 9.647 10.323 1998 05 10 07 44 50.80 -4.35 100 56.735 1.809 9.698 10.326 1998 05 10 07 48 50.80 -4.35 100 56.088 1.779 9.671 11.349 1998 05 11 08 23 50.80 -4.35 100 50.759 1.573 8.704 11.352 1998 05 11 08 26 50.80 -4.35 100 50.242 1.556 8.677 11.396 1998 05 11 09 29 50.80 -4.35 100 41.721 1.336 8.677 11.399 1998 05 11 09 35 50.80 -4.35 100 41.067 1.323 8.811 11.538 1998 05 11 12 54 50.80 -4.35 100 36.131 1.236 8.604 12.339 1998 05 12 08 07 50.80 -4.35 100 52.811 1.645 8.543 12.341 1998 05 12 08 11 50.80 -4.35 100 52.232 1.624 8.650 12.425 1998 05 12 10 12 50.80 -4.35 100 36.918 1.248 8.677 12.428 1998 05 12 10 16 50.80 -4.35 100 36.560 1.243 8.784 13.341 1998 05 13 08 11 50.80 -4.35 100 52.098 1.619 8.919 13.344 1998 05 13 08 15 50.80 -4.35 100 51.508 1.598 9.053 13.438 1998 05 13 10 30 50.80 -4.35 100 35.137 1.221 9.107 13.440 1998 05 13 10 34 50.80 -4.35 100 34.878 1.217 8.946 14.325 1998 05 14 07 48 50.80 -4.35 100 55.438 1.750 8.758 14.328 1998 05 14 07 51 50.80 -4.35 100 54.891 1.727 8.865 14.394 1998 05 14 09 27 50.80 -4.35 100 41.295 1.328 8.731 14.398 1998 05 14 09 32 50.80 -4.35 100 40.704 1.316 8.838 14.519 1998 05 14 12 27 50.80 -4.35 100 33.549 1.198 8.975 15.329 1998 05 15 07 54 50.80 -4.35 100 54.290 1.702 9.187 15.332 1998 05 15 07 58 50.80 -4.35 100 53.727 1.680 9.241 15.564 1998 05 15 13 31 50.80 -4.35 100 38.952 1.283 9.080 15.566 1998 05 15 13 35 50.80 -4.35 100 39.365 1.291 9.161 16.325 1998 05 16 07 48 50.80 -4.35 100 55.064 1.734 9.107 16.327 1998 05 16 07 51 50.80 -4.35 100 54.582 1.714 9.214 17.325 1998 05 17 07 47 50.80 -4.35 100 54.994 1.731 9.268 17.327 1998 05 17 07 50 50.80 -4.35 100 54.491 1.710 9.456 18.344 1998 05 18 08 16 50.80 -4.35 100 50.494 1.564 9.510 18.346 1998 05 18 08 17 50.80 -4.35 100 50.226 1.555 9.375 18.435 1998 05 18 10 26 50.80 -4.35 100 34.361 1.209 9.298 18.488 1998 05 18 11 42 50.80 -4.35 100 31.241 1.168 9.026 18.542 1998 05 18 13 00 50.80 -4.35 100 35.135 1.221 9.126 19.366 1998 05 19 08 47 50.80 -4.35 100 45.741 1.428 9.134 19.367 1998 05 19 08 49 50.80 -4.35 100 45.508 1.422 8.973 19.460 1998 05 19 11 01 50.80 -4.35 100 31.881 1.176 8.892 19.461 1998 05 19 11 03 50.80 -4.35 100 31.785 1.175 8.999 19.543 1998 05 19 13 02 50.80 -4.35 100 35.108 1.220 8.838 19.544 1998 05 19 13 04 50.80 -4.35 100 35.244 1.222 8.865 20.346 1998 05 20 08 18 50.80 -4.35 100 49.803 1.542 8.946 20.347 1998 05 20 08 19 50.80 -4.35 100 49.619 1.536 8.892 20.454 1998 05 20 10 54 50.80 -4.35 100 32.045 1.178 8.604 20.509 1998 05 20 12 12 50.80 -4.35 100 31.509 1.171 8.755 20.539 1998 05 20 12 55 50.80 -4.35 100 34.310 1.209 8.728 22.348 1998 05 22 08 21 50.80 -4.35 100 49.026 1.518 9.523 22.407 1998 05 22 09 46 50.80 -4.35 100 37.575 1.259 9.671 23.347 1998 05 23 08 19 50.80 -4.35 100 49.298 1.526 9.821 23.401 1998 05 23 09 36 50.80 -4.35 100 38.597 1.277 9.870 23.448 1998 05 23 10 44 50.80 -4.35 100 32.057 1.178 9.472 24.457 1998 05 24 10 57 50.80 -4.35 100 31.137 1.167 10.020 25.328 1998 05 25 07 52 50.80 -4.35 100 53.122 1.656 10.321 25.337 1998 05 25 08 05 50.80 -4.35 100 51.116 1.585 10.246 25.550 1998 05 25 13 11 50.80 -4.35 100 34.875 1.217 10.095 26.333 1998 05 26 07 59 50.80 -4.35 100 51.934 1.613 10.923 26.376 1998 05 26 09 00 50.80 -4.35 100 42.860 1.360 11.097 26.540 1998 05 26 12 57 50.80 -4.35 100 33.336 1.195 10.547 27.335 1998 05 27 08 02 50.80 -4.35 100 51.286 1.591 11.326 27.436 1998 05 27 10 27 50.80 -4.35 100 32.739 1.187 10.872 27.546 1998 05 27 13 05 50.80 -4.35 100 33.952 1.204 10.923 28.339 1998 05 28 08 08 50.80 -4.35 100 50.342 1.559 10.520 28.390 1998 05 28 09 21 50.80 -4.35 100 39.878 1.300 10.571 28.543 1998 05 28 13 02 50.80 -4.35 100 33.475 1.197 10.974 29.317 1998 05 29 07 36 50.80 -4.35 100 55.130 1.737 10.445 29.544 1998 05 29 13 03 50.80 -4.35 100 33.430 1.196 10.246 30.341 1998 05 30 08 10 50.80 -4.35 100 49.763 1.541 9.623 30.415 1998 05 30 09 57 50.80 -4.35 100 35.308 1.223 9.590 30.417 1998 05 30 10 00 50.80 -4.35 100 34.900 1.217 9.671 31.339 1998 05 31 08 08 50.80 -4.35 100 49.962 1.547 9.298 31.438 1998 05 31 10 31 50.80 -4.35 100 31.851 1.176 9.002