De Backer H. DOBSON UCCLE TOTALCOL 01-MAY-2005 00:00:0031-MAY-2005 23:59:590001 30 1010 Hugo De Backer Uccle; Royal Meteorological Institute Belgium Dobson Spectrophotometer Instrument No.40 NDSC 1 1 2005 05 01 2005 09 20 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 9.351 2005 05 09 08 25 50.80 -4.35 100 50.802 1.574 10.345 9.488 2005 05 09 11 42 50.80 -4.35 100 33.350 1.195 10.420 10.345 2005 05 10 08 16 50.80 -4.35 100 51.912 1.612 9.722 10.534 2005 05 10 12 49 50.80 -4.35 100 35.903 1.232 10.746 11.332 2005 05 11 07 58 50.80 -4.35 100 54.353 1.705 10.595 11.528 2005 05 11 12 40 50.80 -4.35 100 35.002 1.219 9.770 12.336 2005 05 12 08 04 50.80 -4.35 100 53.277 1.662 9.402 12.338 2005 05 12 08 06 50.80 -4.35 100 52.998 1.652 9.483 12.534 2005 05 12 12 48 50.80 -4.35 100 35.355 1.224 9.161 12.535 2005 05 12 12 49 50.80 -4.35 100 35.491 1.226 9.322 13.343 2005 05 13 08 13 50.80 -4.35 100 51.691 1.604 9.972 17.363 2005 05 17 08 42 50.80 -4.35 100 46.792 1.455 10.171 17.455 2005 05 17 10 54 50.80 -4.35 100 32.577 1.185 10.071 18.338 2005 05 18 08 06 50.80 -4.35 100 51.813 1.609 9.496 18.412 2005 05 18 09 52 50.80 -4.35 100 37.576 1.259 9.373 18.513 2005 05 18 12 19 50.80 -4.35 100 32.155 1.180 9.397 19.348 2005 05 19 08 21 50.80 -4.35 100 49.483 1.532 9.349 19.470 2005 05 19 11 16 50.80 -4.35 100 31.275 1.169 9.349 19.536 2005 05 19 12 51 50.80 -4.35 100 34.053 1.205 9.273 20.380 2005 05 20 09 06 50.80 -4.35 100 42.901 1.361 9.249 23.359 2005 05 23 08 36 50.80 -4.35 100 46.663 1.452 9.870 23.529 2005 05 23 12 42 50.80 -4.35 100 32.565 1.185 9.770 24.339 2005 05 24 08 07 50.80 -4.35 100 50.837 1.575 9.448 24.468 2005 05 24 11 14 50.80 -4.35 100 30.378 1.158 9.472 24.536 2005 05 24 12 52 50.80 -4.35 100 33.195 1.193 9.174 25.333 2005 05 25 07 59 50.80 -4.35 100 52.040 1.617 8.384 25.528 2005 05 25 12 39 50.80 -4.35 100 32.049 1.178 7.965 26.333 2005 05 26 07 59 50.80 -4.35 100 51.830 1.609 7.868 26.342 2005 05 26 08 12 50.80 -4.35 100 49.869 1.544 7.817 26.513 2005 05 26 12 18 50.80 -4.35 100 30.592 1.160 7.645 27.339 2005 05 27 08 07 50.80 -4.35 100 50.493 1.564 7.893 27.528 2005 05 27 12 39 50.80 -4.35 100 31.696 1.174 8.032 27.529 2005 05 27 12 41 50.80 -4.35 100 31.851 1.176 7.952 31.355 2005 05 31 08 31 50.80 -4.35 100 46.534 1.448 9.617 31.357 2005 05 31 08 34 50.80 -4.35 100 46.076 1.436 9.617 31.479 2005 05 31 11 29 50.80 -4.35 100 28.906 1.141 9.397