De Backer H. DOBSON UCCLE TOTALCOL 01-MAR-2009 00:00:0031-MAR-2009 23:59:590001 30 1010 Hugo De Backer Uccle; Royal Meteorological Institute Belgium Dobson Spectrophotometer Instrument No.40 NDACC 1 1 2009 03 01 2009 07 30 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 2.440 2009 03 02 10 34 50.80 -4.35 100 60.425 2.005 9.002 2.538 2009 03 02 12 54 50.80 -4.35 100 59.276 1.939 8.927 2.582 2009 03 02 13 57 50.80 -4.35 100 63.612 2.220 9.075 3.410 2009 03 03 09 50 50.80 -4.35 100 63.445 2.207 9.496 3.561 2009 03 03 13 27 50.80 -4.35 100 60.866 2.032 9.373 5.388 2009 03 05 09 18 50.80 -4.35 100 65.886 2.407 11.022 5.459 2009 03 05 11 01 50.80 -4.35 100 57.836 1.863 10.595 5.575 2009 03 05 13 47 50.80 -4.35 100 61.699 2.085 10.547 6.400 2009 03 06 09 36 50.80 -4.35 100 63.600 2.219 10.222 9.388 2009 03 09 09 18 50.80 -4.35 100 64.338 2.276 11.200 9.458 2009 03 09 10 59 50.80 -4.35 100 56.326 1.790 11.326 9.557 2009 03 09 13 22 50.80 -4.35 100 58.339 1.888 11.377 11.401 2009 03 11 09 37 50.80 -4.35 100 61.614 2.079 9.770 11.457 2009 03 11 10 58 50.80 -4.35 100 55.606 1.758 9.770 11.534 2009 03 11 12 48 50.80 -4.35 100 55.641 1.759 9.797 13.366 2009 03 13 08 47 50.80 -4.35 100 66.471 2.461 8.852 16.393 2009 03 16 09 25 50.80 -4.35 100 60.870 2.032 8.360 16.544 2009 03 16 13 03 50.80 -4.35 100 54.568 1.713 7.989 17.378 2009 03 17 09 05 50.80 -4.35 100 62.818 2.161 7.549 18.372 2009 03 18 08 55 50.80 -4.35 100 63.626 2.221 8.384 18.532 2009 03 18 12 45 50.80 -4.35 100 52.901 1.648 8.532 19.428 2009 03 19 10 16 50.80 -4.35 100 54.991 1.731 9.537 19.429 2009 03 19 10 18 50.80 -4.35 100 54.812 1.724 9.402 19.568 2009 03 19 13 38 50.80 -4.35 100 56.061 1.778 9.002 20.380 2009 03 20 09 07 50.80 -4.35 100 61.406 2.066 8.903 23.390 2009 03 23 09 21 50.80 -4.35 100 58.603 1.902 9.249 24.383 2009 03 24 09 10 50.80 -4.35 100 59.440 1.948 11.200 26.394 2009 03 26 09 27 50.80 -4.35 100 56.838 1.814 10.071 27.390 2009 03 27 09 21 50.80 -4.35 100 57.103 1.826 10.797 30.336 2009 03 30 08 03 50.80 -4.35 100 66.062 2.423 11.068 30.338 2009 03 30 08 06 50.80 -4.35 100 65.653 2.387 10.450 30.405 2009 03 30 09 42 50.80 -4.35 100 53.647 1.677 10.611 30.406 2009 03 30 09 44 50.80 -4.35 100 53.429 1.668 10.557 30.522 2009 03 30 12 32 50.80 -4.35 100 47.824 1.483 10.369 31.339 2009 03 31 08 08 50.80 -4.35 100 65.048 2.334 10.294 31.516 2009 03 31 12 23 50.80 -4.35 100 47.101 1.463 9.695