De Backer H. DOBSON UCCLE TOTALCOL 01-JUL-2005 00:00:0031-JUL-2005 23:59:590001 30 1010 Hugo De Backer Uccle; Royal Meteorological Institute Belgium Dobson Spectrophotometer Instrument No.40 NDSC 1 1 2005 07 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 1.344 2005 07 01 08 14 50.80 -4.35 100 49.096 1.520 8.975 6.341 2005 07 06 08 11 50.80 -4.35 100 50.075 1.551 9.225 6.520 2005 07 06 12 28 50.80 -4.35 100 29.252 1.145 8.975 8.341 2005 07 08 08 10 50.80 -4.35 100 50.442 1.562 9.496 11.324 2005 07 11 07 47 50.80 -4.35 100 54.400 1.707 8.556 11.530 2005 07 11 12 43 50.80 -4.35 100 30.692 1.162 8.631 13.330 2005 07 13 07 55 50.80 -4.35 100 53.348 1.665 9.198 13.529 2005 07 13 12 42 50.80 -4.35 100 30.881 1.164 8.728 14.346 2005 07 14 08 17 50.80 -4.35 100 50.087 1.551 8.580 15.331 2005 07 15 07 56 50.80 -4.35 100 53.449 1.669 8.879 18.339 2005 07 18 08 07 50.80 -4.35 100 52.144 1.620 9.249 20.329 2005 07 20 07 54 50.80 -4.35 100 54.514 1.711 8.556 20.513 2005 07 20 12 18 50.80 -4.35 100 30.781 1.163 8.556 25.335 2005 07 25 08 02 50.80 -4.35 100 53.983 1.690 9.647 27.350 2005 07 27 08 23 50.80 -4.35 100 51.144 1.586 8.212 27.526 2005 07 27 12 36 50.80 -4.35 100 33.065 1.192 8.704 28.354 2005 07 28 08 29 50.80 -4.35 100 50.472 1.563 8.309 29.353 2005 07 29 08 27 50.80 -4.35 100 50.888 1.577 8.089