De Backer H. DOBSON UCCLE TOTALCOL 01-MAY-1977 00:00:0031-MAY-1977 23:59:590001 30 1010 Hugo De Backer Uccle; Royal Meteorological Institute Belgium Dobson Spectrophotometer Instrument No.40 NDSC 1 1 1977 05 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 2.320 1977 05 02 07 41 50.80 -4.35 100 59.052 1.926 11.095 2.324 1977 05 02 07 46 50.80 -4.35 100 58.236 1.883 11.095 3.317 1977 05 03 07 36 50.80 -4.35 100 59.576 1.956 11.326 3.393 1977 05 03 09 25 50.80 -4.35 100 44.185 1.390 10.595 3.461 1977 05 03 11 04 50.80 -4.35 100 35.799 1.231 10.496 3.541 1977 05 03 12 59 50.80 -4.35 100 38.567 1.276 10.772 4.452 1977 05 04 10 50 50.80 -4.35 100 36.165 1.236 9.722 4.504 1977 05 04 12 06 50.80 -4.35 100 35.201 1.222 9.846 4.552 1977 05 04 13 14 50.80 -4.35 100 39.649 1.296 9.897 6.302 1977 05 06 07 15 50.80 -4.35 100 62.167 2.116 10.128 6.306 1977 05 06 07 20 50.80 -4.35 100 61.411 2.066 10.235 6.403 1977 05 06 09 39 50.80 -4.35 100 41.742 1.337 10.396 6.406 1977 05 06 09 44 50.80 -4.35 100 41.256 1.327 10.396 6.473 1977 05 06 11 21 50.80 -4.35 100 34.413 1.210 10.504 6.477 1977 05 06 11 27 50.80 -4.35 100 34.307 1.209 10.638 9.339 1977 05 09 08 07 50.80 -4.35 100 53.463 1.669 9.623 9.395 1977 05 09 09 28 50.80 -4.35 100 42.315 1.349 9.644 9.399 1977 05 09 09 34 50.80 -4.35 100 41.658 1.335 9.510 9.489 1977 05 09 11 44 50.80 -4.35 100 33.422 1.196 9.523 9.570 1977 05 09 13 41 50.80 -4.35 100 41.276 1.327 10.294 10.411 1977 05 10 09 52 50.80 -4.35 100 39.342 1.290 10.797 10.504 1977 05 10 12 06 50.80 -4.35 100 33.583 1.199 10.547 10.555 1977 05 10 13 19 50.80 -4.35 100 38.732 1.279 9.921 11.373 1977 05 11 08 57 50.80 -4.35 100 45.925 1.432 9.972 12.433 1977 05 12 10 24 50.80 -4.35 100 35.860 1.232 10.947 12.549 1977 05 12 13 11 50.80 -4.35 100 37.410 1.256 10.646 13.368 1977 05 13 08 50 50.80 -4.35 100 46.426 1.445 11.299 13.533 1977 05 13 12 47 50.80 -4.35 100 35.108 1.220 11.251 16.297 1977 05 16 07 07 50.80 -4.35 100 61.451 2.069 10.420 16.377 1977 05 16 09 02 50.80 -4.35 100 44.176 1.390 10.445 16.468 1977 05 16 11 14 50.80 -4.35 100 32.040 1.178 10.697 17.333 1977 05 17 07 59 50.80 -4.35 100 53.090 1.655 10.719 17.336 1977 05 17 08 04 50.80 -4.35 100 52.380 1.629 10.638 17.397 1977 05 17 09 31 50.80 -4.35 100 40.270 1.307 10.321 17.477 1977 05 17 11 26 50.80 -4.35 100 31.538 1.172 10.719 17.479 1977 05 17 11 30 50.80 -4.35 100 31.487 1.171 10.584 17.543 1977 05 17 13 02 50.80 -4.35 100 35.487 1.226 10.345 18.304 1977 05 18 07 17 50.80 -4.35 100 59.523 1.953 10.101 18.307 1977 05 18 07 22 50.80 -4.35 100 58.777 1.912 10.047 18.386 1977 05 18 09 15 50.80 -4.35 100 42.085 1.344 9.886 18.389 1977 05 18 09 20 50.80 -4.35 100 41.418 1.330 9.832 18.446 1977 05 18 10 42 50.80 -4.35 100 33.190 1.193 9.966 18.449 1977 05 18 10 46 50.80 -4.35 100 32.920 1.190 9.859 18.481 1977 05 18 11 33 50.80 -4.35 100 31.237 1.168 9.805 18.485 1977 05 18 11 37 50.80 -4.35 100 31.217 1.168 9.752 23.311 1977 05 23 07 27 50.80 -4.35 100 57.181 1.830 9.859 23.315 1977 05 23 07 33 50.80 -4.35 100 56.346 1.791 9.778 23.430 1977 05 23 10 19 50.80 -4.35 100 34.054 1.205 9.859 23.434 1977 05 23 10 24 50.80 -4.35 100 33.605 1.199 9.698 23.503 1977 05 23 12 04 50.80 -4.35 100 30.595 1.160 9.993 23.507 1977 05 23 12 09 50.80 -4.35 100 30.770 1.162 9.778 23.551 1977 05 23 13 13 50.80 -4.35 100 35.383 1.224 9.695 24.432 1977 05 24 10 22 50.80 -4.35 100 33.605 1.199 9.966 24.435 1977 05 24 10 26 50.80 -4.35 100 33.211 1.193 9.832 24.467 1977 05 24 11 12 50.80 -4.35 100 30.471 1.159 9.778 24.470 1977 05 24 11 16 50.80 -4.35 100 30.341 1.157 9.725 24.502 1977 05 24 12 03 50.80 -4.35 100 30.360 1.158 9.778 24.506 1977 05 24 12 08 50.80 -4.35 100 30.526 1.160 9.805 24.540 1977 05 24 12 57 50.80 -4.35 100 33.691 1.200 9.913 24.543 1977 05 24 13 01 50.80 -4.35 100 34.085 1.206 9.859 25.393 1977 05 25 09 25 50.80 -4.35 100 39.640 1.296 9.026 25.481 1977 05 25 11 32 50.80 -4.35 100 29.860 1.152 9.075 25.546 1977 05 25 13 06 50.80 -4.35 100 34.372 1.210 9.483 25.549 1977 05 25 13 10 50.80 -4.35 100 34.767 1.215 9.349 26.296 1977 05 26 07 06 50.80 -4.35 100 60.154 1.989 9.429 26.300 1977 05 26 07 12 50.80 -4.35 100 59.270 1.938 9.375 26.333 1977 05 26 07 59 50.80 -4.35 100 51.894 1.612 9.402 26.336 1977 05 26 08 03 50.80 -4.35 100 51.273 1.590 9.349 26.385 1977 05 26 09 15 50.80 -4.35 100 40.925 1.320 9.402 26.390 1977 05 26 09 21 50.80 -4.35 100 40.085 1.304 9.322 26.404 1977 05 26 09 41 50.80 -4.35 100 37.627 1.260 9.429 26.407 1977 05 26 09 45 50.80 -4.35 100 37.072 1.251 9.322 26.436 1977 05 26 10 27 50.80 -4.35 100 32.853 1.189 9.402 26.439 1977 05 26 10 31 50.80 -4.35 100 32.484 1.184 9.268 26.461 1977 05 26 11 03 50.80 -4.35 100 30.474 1.159 9.510 26.465 1977 05 26 11 09 50.80 -4.35 100 30.250 1.156 9.349 26.503 1977 05 26 12 03 50.80 -4.35 100 30.028 1.154 9.456 26.506 1977 05 26 12 07 50.80 -4.35 100 30.164 1.155 9.349 27.290 1977 05 27 06 57 50.80 -4.35 100 61.405 2.066 10.101 27.294 1977 05 27 07 02 50.80 -4.35 100 60.630 2.017 9.966 27.398 1977 05 27 09 33 50.80 -4.35 100 38.433 1.274 10.047 27.401 1977 05 27 09 37 50.80 -4.35 100 37.917 1.265 9.966 27.425 1977 05 27 10 12 50.80 -4.35 100 34.054 1.205 10.101 27.429 1977 05 27 10 17 50.80 -4.35 100 33.568 1.198 9.966 27.474 1977 05 27 11 22 50.80 -4.35 100 29.683 1.150 10.262 27.477 1977 05 27 11 26 50.80 -4.35 100 29.587 1.149 10.101 27.512 1977 05 27 12 16 50.80 -4.35 100 30.366 1.158 10.047 27.516 1977 05 27 12 22 50.80 -4.35 100 30.664 1.161 9.940 31.295 1977 05 31 07 05 50.80 -4.35 100 59.910 1.975 10.423 31.299 1977 05 31 07 10 50.80 -4.35 100 59.025 1.925 10.343 31.362 1977 05 31 08 41 50.80 -4.35 100 45.135 1.413 10.369 31.366 1977 05 31 08 47 50.80 -4.35 100 44.223 1.391 10.316 31.463 1977 05 31 11 07 50.80 -4.35 100 29.572 1.149 10.270 31.502 1977 05 31 12 03 50.80 -4.35 100 29.207 1.144 10.294 31.543 1977 05 31 13 01 50.80 -4.35 100 32.941 1.190 10.270