De Backer H. DOBSON UCCLE TOTALCOL 01-JAN-2005 00:00:0031-JAN-2005 23:59:590001 30 1010 Hugo De Backer Uccle; Royal Meteorological Institute Belgium Dobson Spectrophotometer Instrument No.40 NDSC 1 1 2005 01 01 2005 03 08 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 4.437 2005 01 04 10 28 50.80 -4.35 100 75.506 3.807 6.042 5.494 2005 01 05 11 51 50.80 -4.35 100 73.372 3.369 7.597 6.449 2005 01 06 10 46 50.80 -4.35 100 74.520 3.591 6.694 7.506 2005 01 07 12 08 50.80 -4.35 100 73.247 3.346 6.891 10.496 2005 01 10 11 53 50.80 -4.35 100 72.703 3.252 6.646 11.460 2005 01 11 11 02 50.80 -4.35 100 73.335 3.362 8.065 12.505 2005 01 12 12 06 50.80 -4.35 100 72.465 3.212 8.065 13.505 2005 01 13 12 07 50.80 -4.35 100 72.293 3.184 8.032 13.506 2005 01 13 12 08 50.80 -4.35 100 72.311 3.186 7.979 14.513 2005 01 14 12 18 50.80 -4.35 100 72.274 3.180 7.476 17.487 2005 01 17 11 40 50.80 -4.35 100 71.515 3.062 7.965 17.525 2005 01 17 12 35 50.80 -4.35 100 72.087 3.151 8.137 19.489 2005 01 19 11 43 50.80 -4.35 100 71.088 3.000 8.803 20.417 2005 01 20 10 00 50.80 -4.35 100 75.078 3.710 9.424 21.415 2005 01 21 09 57 50.80 -4.35 100 75.127 3.721 9.671 24.416 2005 01 24 09 59 50.80 -4.35 100 74.383 3.563 10.420 24.498 2005 01 24 11 56 50.80 -4.35 100 69.914 2.841 10.547 25.446 2005 01 25 10 41 50.80 -4.35 100 71.514 3.062 9.870 25.514 2005 01 25 12 20 50.80 -4.35 100 69.881 2.836 9.870 26.485 2005 01 26 11 38 50.80 -4.35 100 69.518 2.791 9.596 26.529 2005 01 26 12 42 50.80 -4.35 100 70.171 2.874 9.870 27.430 2005 01 27 10 19 50.80 -4.35 100 72.322 3.188 9.496 27.506 2005 01 27 12 08 50.80 -4.35 100 69.219 2.754 8.975