De Backer H. DOBSON UCCLE TOTALCOL 01-FEB-2003 00:00:0028-FEB-2003 23:59:590001 30 1010 Hugo De Backer Uccle; Royal Meteorological Institute Belgium Dobson Spectrophotometer Instrument No.40 NDSC 1 1 2003 02 01 2003 10 24 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 3.421 2003 02 03 10 06 50.80 -4.35 100 71.550 3.068 11.729 3.530 2003 02 03 12 43 50.80 -4.35 100 68.143 2.631 11.933 5.539 2003 02 05 12 56 50.80 -4.35 100 68.041 2.620 9.324 6.457 2003 02 06 10 58 50.80 -4.35 100 67.698 2.584 8.408 6.500 2003 02 06 11 59 50.80 -4.35 100 66.459 2.460 7.573 10.417 2003 02 10 09 59 50.80 -4.35 100 70.049 2.858 8.677 10.419 2003 02 10 10 03 50.80 -4.35 100 69.781 2.824 8.892 10.582 2003 02 10 13 58 50.80 -4.35 100 70.360 2.899 8.973 10.583 2003 02 10 14 00 50.80 -4.35 100 70.519 2.920 9.026 12.421 2003 02 12 10 05 50.80 -4.35 100 68.985 2.727 9.547 12.559 2003 02 12 13 25 50.80 -4.35 100 67.370 2.550 10.171 13.440 2003 02 13 10 33 50.80 -4.35 100 66.739 2.487 9.698 13.441 2003 02 13 10 35 50.80 -4.35 100 66.649 2.478 10.047 13.578 2003 02 13 13 52 50.80 -4.35 100 68.991 2.727 9.805 13.580 2003 02 13 13 55 50.80 -4.35 100 69.169 2.748 10.101 14.391 2003 02 14 09 23 50.80 -4.35 100 72.144 3.160 9.324 14.566 2003 02 14 13 35 50.80 -4.35 100 67.393 2.552 9.472 17.404 2003 02 17 09 41 50.80 -4.35 100 69.415 2.778 10.095 17.546 2003 02 17 13 06 50.80 -4.35 100 64.619 2.299 9.996 18.441 2003 02 18 10 35 50.80 -4.35 100 64.944 2.325 9.671 24.408 2003 02 24 09 47 50.80 -4.35 100 66.419 2.456 8.879 24.530 2003 02 24 12 42 50.80 -4.35 100 61.152 2.050 9.053 24.531 2003 02 24 12 44 50.80 -4.35 100 61.220 2.054 8.999 26.492 2003 02 26 11 48 50.80 -4.35 100 59.588 1.956 8.951 26.540 2003 02 26 12 57 50.80 -4.35 100 61.033 2.042 9.174 27.358 2003 02 27 08 34 50.80 -4.35 100 73.319 3.359 8.631 27.434 2003 02 27 10 24 50.80 -4.35 100 62.411 2.133 8.556 28.514 2003 02 28 12 19 50.80 -4.35 100 59.053 1.926 9.174 28.572 2003 02 28 13 43 50.80 -4.35 100 63.249 2.193 9.298