De Backer H. DOBSON UCCLE TOTALCOL 01-SEP-1972 00:00:0030-SEP-1972 23:59:590001 30 1010 Hugo De Backer Uccle; Royal Meteorological Institute Belgium Dobson Spectrophotometer Instrument No.40 NDSC 1 1 1972 09 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 1.356 1972 09 01 08 32 50.80 -4.35 100 57.746 1.858 8.301 1.358 1972 09 01 08 36 50.80 -4.35 100 57.286 1.835 8.086 1.465 1972 09 01 11 10 50.80 -4.35 100 43.165 1.367 8.167 1.468 1972 09 01 11 14 50.80 -4.35 100 43.037 1.364 7.898 1.546 1972 09 01 13 06 50.80 -4.35 100 46.038 1.435 8.309 1.628 1972 09 01 15 03 50.80 -4.35 100 59.403 1.946 8.137 4.378 1972 09 04 09 04 50.80 -4.35 100 54.521 1.712 7.621 4.477 1972 09 04 11 27 50.80 -4.35 100 43.846 1.382 7.791 4.479 1972 09 04 11 30 50.80 -4.35 100 43.809 1.381 7.683 4.627 1972 09 04 15 03 50.80 -4.35 100 60.421 2.005 7.549 5.365 1972 09 05 08 45 50.80 -4.35 100 57.191 1.831 7.844 5.367 1972 09 05 08 48 50.80 -4.35 100 56.778 1.811 7.602 5.465 1972 09 05 11 09 50.80 -4.35 100 44.608 1.400 7.500 5.523 1972 09 05 12 33 50.80 -4.35 100 45.452 1.421 7.737 5.524 1972 09 05 12 34 50.80 -4.35 100 45.528 1.422 7.468 5.636 1972 09 05 15 15 50.80 -4.35 100 62.451 2.136 7.672 6.372 1972 09 06 08 55 50.80 -4.35 100 56.194 1.784 8.059 6.374 1972 09 06 08 58 50.80 -4.35 100 55.747 1.764 8.005 6.461 1972 09 06 11 03 50.80 -4.35 100 45.165 1.413 8.382 6.463 1972 09 06 11 06 50.80 -4.35 100 45.069 1.411 8.220 6.520 1972 09 06 12 29 50.80 -4.35 100 45.622 1.425 8.435 6.524 1972 09 06 12 35 50.80 -4.35 100 45.925 1.432 8.382 6.607 1972 09 06 14 34 50.80 -4.35 100 57.270 1.835 8.355 6.611 1972 09 06 14 40 50.80 -4.35 100 57.997 1.871 8.382 7.594 1972 09 07 14 14 50.80 -4.35 100 55.164 1.738 8.382 7.598 1972 09 07 14 21 50.80 -4.35 100 55.964 1.773 8.408 8.356 1972 09 08 08 33 50.80 -4.35 100 59.584 1.956 8.113 8.524 1972 09 08 12 34 50.80 -4.35 100 46.653 1.451 7.842 8.631 1972 09 08 15 08 50.80 -4.35 100 62.544 2.142 8.185 11.347 1972 09 11 08 20 50.80 -4.35 100 62.092 2.111 9.026 11.350 1972 09 11 08 23 50.80 -4.35 100 61.632 2.081 8.973 11.460 1972 09 11 11 02 50.80 -4.35 100 47.013 1.461 8.631 11.509 1972 09 11 12 12 50.80 -4.35 100 46.924 1.459 8.903 11.622 1972 09 11 14 55 50.80 -4.35 100 61.805 2.092 9.050 12.367 1972 09 12 08 48 50.80 -4.35 100 58.681 1.906 8.680 12.458 1972 09 12 11 00 50.80 -4.35 100 47.452 1.473 8.631 12.512 1972 09 12 12 17 50.80 -4.35 100 47.467 1.473 8.631 12.600 1972 09 12 14 23 50.80 -4.35 100 58.072 1.875 8.927 14.370 1972 09 14 08 53 50.80 -4.35 100 58.694 1.907 9.397 14.516 1972 09 14 12 23 50.80 -4.35 100 48.468 1.502 9.174 15.365 1972 09 15 08 45 50.80 -4.35 100 59.907 1.975 8.457 15.519 1972 09 15 12 26 50.80 -4.35 100 49.022 1.518 8.656 15.610 1972 09 15 14 38 50.80 -4.35 100 61.107 2.047 8.755 18.450 1972 09 18 10 48 50.80 -4.35 100 50.122 1.552 9.805 18.452 1972 09 18 10 51 50.80 -4.35 100 49.989 1.548 9.564 18.514 1972 09 18 12 20 50.80 -4.35 100 49.944 1.547 9.746 18.618 1972 09 18 14 49 50.80 -4.35 100 63.718 2.228 9.523 19.364 1972 09 19 08 43 50.80 -4.35 100 61.334 2.061 9.050 19.457 1972 09 19 10 58 50.80 -4.35 100 50.096 1.551 9.375 19.459 1972 09 19 11 01 50.80 -4.35 100 49.992 1.548 9.268 19.513 1972 09 19 12 18 50.80 -4.35 100 50.257 1.556 9.161 19.515 1972 09 19 12 21 50.80 -4.35 100 50.373 1.560 9.295 19.619 1972 09 19 14 51 50.80 -4.35 100 64.266 2.270 8.755 20.363 1972 09 20 08 42 50.80 -4.35 100 61.763 2.089 8.852 20.442 1972 09 20 10 36 50.80 -4.35 100 51.416 1.595 8.489 20.444 1972 09 20 10 39 50.80 -4.35 100 51.269 1.590 8.408 20.542 1972 09 20 13 00 50.80 -4.35 100 52.992 1.652 8.382 20.545 1972 09 20 13 05 50.80 -4.35 100 53.353 1.665 8.355 20.614 1972 09 20 14 43 50.80 -4.35 100 63.690 2.226 8.631 21.462 1972 09 21 11 06 50.80 -4.35 100 50.616 1.568 8.333 21.521 1972 09 21 12 30 50.80 -4.35 100 51.600 1.601 8.481 21.622 1972 09 21 14 56 50.80 -4.35 100 65.670 2.388 8.433 22.362 1972 09 22 08 41 50.80 -4.35 100 62.513 2.140 7.868 22.461 1972 09 22 11 03 50.80 -4.35 100 51.057 1.583 8.212 22.519 1972 09 22 12 27 50.80 -4.35 100 51.843 1.610 7.989 22.634 1972 09 22 15 13 50.80 -4.35 100 68.399 2.659 8.013 25.364 1972 09 25 08 44 50.80 -4.35 100 63.046 2.178 7.764 25.366 1972 09 25 08 47 50.80 -4.35 100 62.690 2.152 7.683 25.463 1972 09 25 11 07 50.80 -4.35 100 52.106 1.619 7.769 25.514 1972 09 25 12 20 50.80 -4.35 100 52.722 1.641 7.941 26.364 1972 09 26 08 44 50.80 -4.35 100 63.312 2.197 7.842 26.462 1972 09 26 11 05 50.80 -4.35 100 52.526 1.634 8.065 26.526 1972 09 26 12 36 50.80 -4.35 100 53.896 1.686 8.013 26.606 1972 09 26 14 32 50.80 -4.35 100 64.544 2.293 7.989 27.359 1972 09 27 08 37 50.80 -4.35 100 64.466 2.286 8.285 27.620 1972 09 27 14 52 50.80 -4.35 100 67.414 2.554 8.285 28.372 1972 09 28 08 55 50.80 -4.35 100 62.650 2.150 8.185 28.460 1972 09 28 11 01 50.80 -4.35 100 53.376 1.666 8.040 28.509 1972 09 28 12 13 50.80 -4.35 100 53.666 1.677 8.113 29.360 1972 09 29 08 39 50.80 -4.35 100 64.885 2.321 8.532 29.459 1972 09 29 11 01 50.80 -4.35 100 53.759 1.681 8.089 29.527 1972 09 29 12 38 50.80 -4.35 100 55.182 1.739 8.065 29.599 1972 09 29 14 22 50.80 -4.35 100 64.468 2.286 8.212