De Backer H. DOBSON UCCLE TOTALCOL 01-DEC-1980 00:00:0031-DEC-1980 23:59:590001 30 1010 Hugo De Backer Uccle; Royal Meteorological Institute Belgium Dobson Spectrophotometer Instrument No.40 NDSC 1 1 1980 12 01 2002 05 21 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 1.464 1980 12 01 11 08 50.80 -4.35 100 72.843 3.275 8.570 1.467 1980 12 01 11 12 50.80 -4.35 100 72.792 3.267 8.650 1.468 1980 12 01 11 13 50.80 -4.35 100 72.774 3.264 8.623 1.470 1980 12 01 11 17 50.80 -4.35 100 72.737 3.257 8.704 1.493 1980 12 01 11 49 50.80 -4.35 100 72.773 3.263 8.623 1.495 1980 12 01 11 52 50.80 -4.35 100 72.811 3.270 8.570 2.478 1980 12 02 11 27 50.80 -4.35 100 72.823 3.272 8.457 2.478 1980 12 02 11 28 50.80 -4.35 100 72.819 3.271 8.508 5.435 1980 12 05 10 25 50.80 -4.35 100 74.716 3.632 9.373 5.436 1980 12 05 10 27 50.80 -4.35 100 74.633 3.615 9.547 5.437 1980 12 05 10 28 50.80 -4.35 100 74.583 3.604 9.523 9.535 1980 12 09 12 50 50.80 -4.35 100 75.506 3.807 7.597 15.509 1980 12 15 12 12 50.80 -4.35 100 74.485 3.584 8.973 15.513 1980 12 15 12 18 50.80 -4.35 100 74.633 3.615 8.758 16.478 1980 12 16 11 28 50.80 -4.35 100 74.165 3.519 8.596 16.482 1980 12 16 11 34 50.80 -4.35 100 74.139 3.514 8.543 18.490 1980 12 18 11 45 50.80 -4.35 100 74.213 3.529 10.369 29.496 1980 12 29 11 54 50.80 -4.35 100 74.031 3.493 7.793 29.497 1980 12 29 11 55 50.80 -4.35 100 74.039 3.495 7.817 31.492 1980 12 31 11 48 50.80 -4.35 100 73.868 3.461 7.989