De Backer H. DOBSON UCCLE TOTALCOL 01-DEC-1983 00:00:0031-DEC-1983 23:59:590001 30 1010 Hugo De Backer Uccle; Royal Meteorological Institute Belgium Dobson Spectrophotometer Instrument No.40 NDSC 1 1 1983 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 1.449 1983 12 01 10 46 50.80 -4.35 100 73.239 3.345 7.011 1.452 1983 12 01 10 51 50.80 -4.35 100 73.090 3.318 6.931 1.494 1983 12 01 11 51 50.80 -4.35 100 72.687 3.249 6.985 1.498 1983 12 01 11 56 50.80 -4.35 100 72.773 3.263 6.931 2.445 1983 12 02 10 40 50.80 -4.35 100 73.574 3.406 7.092 2.449 1983 12 02 10 46 50.80 -4.35 100 73.387 3.371 7.038 2.483 1983 12 02 11 35 50.80 -4.35 100 72.714 3.253 7.092 2.487 1983 12 02 11 41 50.80 -4.35 100 72.739 3.257 7.092 3.415 1983 12 03 09 57 50.80 -4.35 100 75.786 3.873 7.388 3.418 1983 12 03 10 02 50.80 -4.35 100 75.506 3.807 7.334 3.468 1983 12 03 11 14 50.80 -4.35 100 72.963 3.296 7.468 3.472 1983 12 03 11 19 50.80 -4.35 100 72.912 3.287 7.414 4.422 1983 12 04 10 07 50.80 -4.35 100 75.382 3.778 7.525 4.475 1983 12 04 11 23 50.80 -4.35 100 73.021 3.306 7.629 4.479 1983 12 04 11 29 50.80 -4.35 100 73.000 3.302 7.602 5.473 1983 12 05 11 21 50.80 -4.35 100 73.173 3.333 7.522 5.476 1983 12 05 11 26 50.80 -4.35 100 73.144 3.328 7.629 5.488 1983 12 05 11 42 50.80 -4.35 100 73.162 3.331 7.576 5.492 1983 12 05 11 48 50.80 -4.35 100 73.205 3.339 7.656 6.470 1983 12 06 11 17 50.80 -4.35 100 73.340 3.363 8.852 6.488 1983 12 06 11 42 50.80 -4.35 100 73.281 3.352 8.927 7.468 1983 12 07 11 13 50.80 -4.35 100 73.508 3.394 8.758 7.472 1983 12 07 11 19 50.80 -4.35 100 73.439 3.381 8.946 7.497 1983 12 07 11 55 50.80 -4.35 100 73.530 3.398 8.865 8.472 1983 12 08 11 19 50.80 -4.35 100 73.553 3.402 10.246 8.493 1983 12 08 11 50 50.80 -4.35 100 73.573 3.406 9.846 12.474 1983 12 12 11 22 50.80 -4.35 100 73.918 3.471 8.285 12.491 1983 12 12 11 46 50.80 -4.35 100 73.891 3.466 8.261 13.471 1983 12 13 11 18 50.80 -4.35 100 74.034 3.493 8.161 13.497 1983 12 13 11 56 50.80 -4.35 100 74.053 3.497 7.917 14.478 1983 12 14 11 28 50.80 -4.35 100 74.019 3.491 7.146 14.481 1983 12 14 11 33 50.80 -4.35 100 73.998 3.486 7.441 14.506 1983 12 14 12 08 50.80 -4.35 100 74.327 3.552 7.280 14.510 1983 12 14 12 14 50.80 -4.35 100 74.445 3.576 7.441 15.478 1983 12 15 11 27 50.80 -4.35 100 74.081 3.503 7.377 15.488 1983 12 15 11 42 50.80 -4.35 100 74.060 3.499 7.304 16.466 1983 12 16 11 11 50.80 -4.35 100 74.336 3.553 9.150 16.491 1983 12 16 11 46 50.80 -4.35 100 74.125 3.511 8.903 19.473 1983 12 19 11 20 50.80 -4.35 100 74.325 3.551 9.722 19.497 1983 12 19 11 55 50.80 -4.35 100 74.294 3.545 9.523 20.474 1983 12 20 11 22 50.80 -4.35 100 74.321 3.551 8.879 20.487 1983 12 20 11 41 50.80 -4.35 100 74.226 3.531 9.126 22.476 1983 12 22 11 25 50.80 -4.35 100 74.317 3.550 8.481 22.487 1983 12 22 11 40 50.80 -4.35 100 74.240 3.534 8.333 23.475 1983 12 23 11 23 50.80 -4.35 100 74.336 3.553 7.656 23.479 1983 12 23 11 29 50.80 -4.35 100 74.283 3.543 7.710 23.488 1983 12 23 11 43 50.80 -4.35 100 74.236 3.534 7.629 23.492 1983 12 23 11 48 50.80 -4.35 100 74.253 3.537 7.710 27.469 1983 12 27 11 14 50.80 -4.35 100 74.409 3.568 7.965 27.494 1983 12 27 11 51 50.80 -4.35 100 74.160 3.518 8.013 28.471 1983 12 28 11 18 50.80 -4.35 100 74.305 3.547 6.767 28.498 1983 12 28 11 57 50.80 -4.35 100 74.157 3.518 6.791 29.469 1983 12 29 11 14 50.80 -4.35 100 74.333 3.553 8.113 29.489 1983 12 29 11 43 50.80 -4.35 100 74.045 3.496 8.013