File name: Pandora243s1_Toronto-CNTower_20251219_L2Fit_fout2c7d20250508p1-8.txt
File generation date: 20251220T052352.0Z
Data description: Level 2 spectral fitting results file
Data file version: fout2c7p1-8
Local principal investigator: Vitali Fioletov
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 243
Spectrometer number: 1
Processing software version used: BlickP v1.8.75
Instrument operation file used: Pandora243_OF_v3d20230125.txt
Instrument calibration file used: Pandora243s1_CF_v7d20250508.txt
Level 1 file used: Pandora243s1_Toronto-CNTower_20251219_L1_smca1c7d20250508p1-8.txt
Full location name: CN Tower Observation Pod Roof, 290 Bremner Blvd, Toronto, ON M5V 3L9
Short location name: Toronto-CNTower
Country of location: Canada
Location latitude [deg]: 43.6426
Location longitude [deg]: -79.3871
Location altitude [m]: 330
Local noon date: 20251219
Notes on s-number (L1 configuration): Corrections NOT applied although requested by the s-number are dark map for dark correction (replaced by immediate dark method), latency correction, matrix method stray light correction (replaced by simple method)
Data caveats: None
First and last pixel inside fitting window: 197 339
Nominal wavelengths inside fitting window [nm]: 305.1143 305.2548 305.3953 305.5359 305.6764 305.8169 305.9573 306.0978 306.2383 306.3787 306.5192 306.6596 306.8000 306.9404 307.0808 307.2212 307.3615 307.5019 307.6422 307.7826 307.9229 308.0632 308.2035 308.3438 308.4841 308.6243 308.7646 308.9048 309.0451 309.1853 309.3255 309.4657 309.6059 309.7461 309.8863 310.0264 310.1666 310.3067 310.4468 310.5869 310.7270 310.8671 311.0072 311.1472 311.2873 311.4273 311.5674 311.7074 311.8474 311.9874 312.1274 312.2674 312.4073 312.5473 312.6872 312.8271 312.9671 313.1070 313.2469 313.3868 313.5266 313.6665 313.8063 313.9462 314.0860 314.2258 314.3656 314.5054 314.6452 314.7850 314.9247 315.0645 315.2042 315.3439 315.4837 315.6234 315.7630 315.9027 316.0424 316.1820 316.3217 316.4613 316.6010 316.7406 316.8802 317.0197 317.1593 317.2989 317.4384 317.5780 317.7175 317.8570 317.9965 318.1360 318.2755 318.4150 318.5545 318.6939 318.8334 318.9728 319.1122 319.2516 319.3910 319.5304 319.6698 319.8091 319.9485 320.0878 320.2271 320.3664 320.5057 320.6450 320.7843 320.9236 321.0628 321.2021 321.3413 321.4805 321.6197 321.7589 321.8981 322.0373 322.1765 322.3156 322.4547 322.5939 322.7330 322.8721 323.0112 323.1503 323.2893 323.4284 323.5675 323.7065 323.8455 323.9845 324.1235 324.2625 324.4015 324.5405 324.6794 324.8184 324.9573
---------------------------------------------------------------------------------------
Column 1: Two letter code of measurement routine
Column 2: UT date and time for center-time of measurement, yyyymmddThhmmssZ (ISO 8601)
Column 3: Fractional days since 1-Jan-2000 midnight for center-time of measurement
Column 4: Routine count (1 for the first routine of the day, 2 for the second, etc.)
Column 5: Repetition count (1 for the first set in the routine, 2 for the second, etc.)
Column 6: Total duration of measurement set in seconds
Column 7: Data processing type index
Column 8: Solar zenith angle for center-time of measurement in degree
Column 9: Solar azimuth for center-time of measurement in degree, 0=north, increases clockwise
Column 10: Lunar zenith angle for center-time of measurement in degree
Column 11: Lunar azimuth for center-time of measurement in degree, 0=north, increases clockwise
Column 12: Pointing zenith angle in degree, absolute or relative (see next column), 999=tracker not used
Column 13: Zenith pointing mode: zenith angle is... 0=absolute, 1=relative to sun, 2=relative to moon
Column 14: Pointing azimuth in degree, increases clockwise, absolute (0=north) or relative (see next column), 999=tracker not used
Column 15: Azimuth pointing mode: like zenith angle mode but also fixed scattering angles relative to sun (3) or moon (4)
Column 16: Fitting result index: 0=no error or warning, 1, 2=warning, >2=error
Column 17: Number of function evaluations used, 0=linear fitting or fitting not successful or no fitting done
Column 18: rms of unweighted fitting residuals, -9=fitting not successful
Column 19: Normalized rms of fitting residuals weighted with independent uncertainty, -9=fitting not successful or no uncertainty used
Column 20: Expected rms based on independent uncertainty, -9=fitting not successful or no uncertainty given
Column 21: Expected normalized weighted rms based on independent uncertainty, -9=fitting not successful or no uncertainty given
Column 22: Ozone slant column amount [moles per square meter], -9e99=fitting not successful
Column 23: Independent uncertainty of ozone slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -5=no independent uncertainty input was given, -9=spectral fitting not successful
Column 24: Structured uncertainty of ozone slant column amount [moles per square meter], -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful
Column 25: Common uncertainty of ozone slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -6=no common uncertainty input was given, -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful
Column 26: rms-based uncertainty of ozone slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no rms-based uncertainty could be retrieved, -9=spectral fitting not successful
Column 27: Ozone effective temperature [K]
Column 28: Independent uncertainty of ozone effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -5=no independent uncertainty input was given, -9=spectral fitting not successful
Column 29: Structured uncertainty of ozone effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -9=spectral fitting not successful
Column 30: Common uncertainty of ozone effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no common uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -6=no common uncertainty input was given, -9=spectral fitting not successful
Column 31: Effective ozone fitting wavelength [nm], -9=fitting not successful
Column 32: Diffuse correction applied before fitting at effective fitting wavelength for ozone [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction
Column 33: Sulfur dioxide slant column amount [moles per square meter], -9e99=fitting not successful
Column 34: Independent uncertainty of sulfur dioxide slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -5=no independent uncertainty input was given, -9=spectral fitting not successful
Column 35: Structured uncertainty of sulfur dioxide slant column amount [moles per square meter], -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful
Column 36: Common uncertainty of sulfur dioxide slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -6=no common uncertainty input was given, -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful
Column 37: rms-based uncertainty of sulfur dioxide slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no rms-based uncertainty could be retrieved, -9=spectral fitting not successful
Column 38: Sulfur dioxide effective temperature [K]
Column 39: Independent uncertainty of sulfur dioxide effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -5=no independent uncertainty input was given, -9=spectral fitting not successful
Column 40: Structured uncertainty of sulfur dioxide effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -9=spectral fitting not successful
Column 41: Common uncertainty of sulfur dioxide effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no common uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -6=no common uncertainty input was given, -9=spectral fitting not successful
Column 42: Effective sulfur dioxide fitting wavelength [nm], -9=fitting not successful
Column 43: Diffuse correction applied before fitting at effective fitting wavelength for sulfur dioxide [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction
Column 44: Molecular scattering air mass factor used for molecular scattering subtraction before the fitting
Column 45: Estimated uncertainty of molecular scattering air mass factor, -9=molecular scattering was not subtracted before the fitting
Column 46: Lower limit used for wavelength scaling [nm]
Column 47: Upper limit used for wavelength scaling [nm]
Column 48: Order of smoothing polynomial
Column 49: Smoothing polynomial coefficient, order 0
Column 50: Independent uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 51: Structured uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 52: Common uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 53: rms-based uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 54: Smoothing polynomial coefficient, order 1
Column 55: Independent uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 56: Structured uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 57: Common uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 58: rms-based uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 59: Smoothing polynomial coefficient, order 2
Column 60: Independent uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful
Column 61: Structured uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful
Column 62: Common uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful
Column 63: rms-based uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful
Column 64: Smoothing polynomial coefficient, order 3
Column 65: Independent uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful
Column 66: Structured uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful
Column 67: Common uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful
Column 68: rms-based uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful
Column 69: Mean value of measured data inside fitting window [same units as measurements]
Column 70: Wavelength change polynomial coefficient, order 0
Column 71: Independent uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 72: Structured uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 73: Common uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 74: rms-based uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 75: L1 based wavelength change coefficient, order 0, -9=no L1 wavelength change determination
Column 76: L1 based wavelength change coefficient, order 1, -9=no L1 wavelength change determination
Column 77: L2Fit data quality flag: 0=assured high quality, 1=assured medium quality, 2=assured low quality, 10=not-assured high quality, 11=not-assured medium quality, 12=not-assured low quality
Column 78: Sum over 2^i using those i, for which the corresponding L2Fit data quality parameter exceeds the DQ1 limit, 0=L1 data quality above 0, 1=Spectral fitting was not successful, 2=Wavelength shift too large, 3=Normalized rms of fitting residuals weighted with independent uncertainty too large
Column 79: Sum over 2^i using those i, for which the corresponding L2Fit data quality parameter exceeds the DQ2 limit (same parameters as for DQ1)
Column 80: L1 data quality flag: 0=assured high quality, 1=assured medium quality, 2=assured low quality, 10=not-assured high quality, 11=not-assured medium quality, 12=not-assured low quality
Column 81: Sum over 2^i using those i, for which the corresponding L1 data quality parameter exceeds the DQ1 limit, 0=Saturated data, 1=Too few dark counts measurements, 2=No temperature given or effective temperature too different from the reference temperature, 3=Dark count too high, 4=Unsuccessful dark background fitting, 5=The dark count differs significantly from the dark map for too many pixels, 6=Absolute value of estimated average residual stray light level too high, 7=Although attempted, no wavelength change could be retrieved, 8=Absolute value of retrieved wavelength shift too large, 9=Retrieved wavelength shift differs too much from the shift predicted by the effective temperature
Column 82: Sum over 2^i using those i, for which the corresponding L1 data quality parameter exceeds the DQ2 limit (same parameters as for DQ1)
Column 83: Atmospheric variability [%], 999=no atmospheric variability was determined
Column 84: Wavelength effective temperature [°C], 999=no effective temperature given
Column 85: Estimated average residual stray light level [%] (only valid for stray light correction methods 2 and higher)
Column 86: Retrieved wavelength shift from L1 data [nm], -9=no wavelength change determination
Column 87: Retrieved total wavelength shift [nm], -9=no wavelength change fitting
Column 88: Number of bright count cycles
Column 89: Number of dark count cycles
Column 90: Effective position of filterwheel #1, 0=filterwheel not used, 1-9 are valid positions
Column 91: Effective position of filterwheel #2, 0=filterwheel not used, 1-9 are valid positions
Column 92: Sum over 2^i, 0=spectra were interpolated in time, 1=spectra are corrected for off-target signal
Column 93: Integration time [ms]
Column 94: Temperature at electronics board [°C], 999=no temperature signal
Column 95: Spectrometer control temperature [°C], 999=no temperature signal
Column 96: Auxiliary spectrometer temperature [°C], 999=no temperature signal
Column 97: Temperature in head sensor [°C], 999=no temperature signal
Column 98: Humidity in head sensor [%], -9=no humidity signal
Column 99: Pressure in head sensor [hPa], -9=no pressure signal
Columns 100-242: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting
Columns 243-385: Normalized slant column residuals weighted with independent instrumental uncertainty for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting, 0=no independent instrumental uncertainty was given
---------------------------------------------------------------------------------------
SS 20251219T165146.4Z 9484.702620 204 1 28.32 2 67.28 174.26 72.70 178.97 0.00 1 0.00 1 0 25 2.572e-01 2.561e-02 2.262e-01 2.391e-02 4.054831e-01 1.183140e-02 5.024250e-03 -6.000000e+00 1.428610e-01 222.29 -2.00 3.56 -2.00 319.28 0.00e+00 5.958392e-03 2.924093e-03 9.275182e-04 -6.000000e+00 6.197299e-03 272.72 -2.00 20.00 -2.00 318.76 0.00e+00 2.568 0.000 302.00 328.00 3 7.1489e+00 3.2238e-02 3.2150e-02 -6.0000e+00 3.5180e-01 2.1545e-01 3.7618e-02 2.0804e-02 -6.0000e+00 3.8442e-01 -1.1299e-01 2.8357e-02 1.2077e-02 -6.0000e+00 2.2856e-01 5.2606e-02 1.4959e-02 6.6316e-03 -6.0000e+00 9.7530e-02 1.9080e-05 -1.7891e-04 6.8131e-04 6.1046e-05 -6.0000e+00 6.8693e-03 -4.8106e-03 0.0000e+00 12 8 8 10 0 0 96.30 26.95 0.42 -0.00481 -0.00615 8 8 1 5 0 3539.210 35.50 20.00 26.95 2.98 3.7 788.66 -47218 61220 113665 -45937 203029 -13363 -24308 -49207 -26485 -24627 -70704 -46004 5415 2668 96100 -6920 -7042 -967 22154 360 24871 -13358 8493 -9182 -806 -184 -19689 -10395 4130 38946 79 -17284 24922 -8913 726 21777 4060 -14574 2048 9486 20662 2049 -8039 4791 12281 5928 7705 1939 5157 4989 1073 -2308 3179 1768 -1692 5117 -2289 -5919 10989 -1212 3293 4713 22 -242 -4839 2850 573 1431 -13 -747 681 2253 596 -1380 -46 -1717 -1912 -5748 -7016 2138 1221 -2384 2103 -3890 -1904 64 4091 -2241 220 5480 -604 -814 83 2411 -3313 -663 224 1597 -3696 -871 -3454 -882 -2720 -399 -3313 1262 -317 1597 2057 -2064 1184 3902 4751 2083 -1655 -3624 1033 -2117 839 1336 553 -2052 1301 2773 -2174 -2620 -843 1025 -1038 -663 2207 1525 -1884 2101 -26 302 -840 -1591 1487 -1136 2676 -1623 -881 -2702 1427 2650 -2629 4734 -481 -1030 -2920 -1347 -1253 -5695 -3218 275 170 2852 -645 -701 -96 1831 38 2056 -1586 828 -1109 -92 -21 -2754 -1256 420 2972 10 -2931 3064 -1549 106 2585 637 -3213 456 2252 4730 591 -2658 1412 3384 1759 2237 596 1541 1544 373 -895 1240 738 -750 2362 -1043 -3022 4612 -574 1559 2407 13 -141 -2943 1498 323 801 -8 -527 513 1718 453 -1010 -31 -1029 -1056 -3256 -4400 1410 922 -2073 1863 -3828 -1963 69 4416 -2638 251 5660 -609 -755 71 2018 -3198 -702 265 2088 -5394 -1206 -4566 -1030 -3012 -445 -4109 1568 -419 2185 2987 -3388 2012 6587 7710 3253 -2477 -5230 1426 -3149 1292 2148 898 -3331 1978 3969 -3102 -3585 -1082 1316 -1486 -1028 3540 2556 -3348 3737 -49 607 -1740 -3376 3055 -2304 4965 -2993 -1564
SS 20251219T181253.4Z 9484.758951 253 1 30.78 2 68.38 194.31 74.69 196.89 0.00 1 0.00 1 0 25 1.273e-01 8.179e-03 1.333e-01 7.691e-03 4.263556e-01 3.826400e-03 5.148291e-03 -6.000000e+00 7.069114e-02 222.30 -2.00 3.56 -2.00 319.45 0.00e+00 1.952820e-03 1.008038e-03 3.022064e-04 -6.000000e+00 3.067390e-03 272.72 -2.00 20.00 -2.00 318.92 0.00e+00 2.690 0.000 302.00 328.00 3 5.8665e+00 1.0611e-02 3.3869e-02 -6.0000e+00 1.7408e-01 8.3400e-02 1.2392e-02 2.2175e-02 -6.0000e+00 1.9023e-01 -3.1440e-02 1.0101e-02 1.1202e-02 -6.0000e+00 1.1311e-01 1.1826e-02 5.3905e-03 3.8125e-03 -6.0000e+00 4.8248e-02 6.3761e-05 -6.9881e-04 2.2047e-04 3.9854e-05 -6.0000e+00 3.4004e-03 -2.7230e-03 0.0000e+00 11 8 0 10 0 0 99.96 27.06 0.95 -0.00272 -0.00797 10 10 1 5 0 3077.270 35.50 20.00 27.06 2.79 3.7 786.07 81186 -8136 66248 -19652 -46795 18196 -25952 -11282 53620 20467 -22811 38880 2641 10670 9070 1579 695 -26428 22859 3252 -5939 704 -4330 -793 -1608 7030 7085 -3404 1965 2538 -7401 7702 318 3160 -3599 -4859 -3536 -540 -2984 -656 2058 -6157 -10 1265 -560 89 -1500 -512 -3656 -1287 -999 1226 1288 1485 2045 798 702 -1078 2278 -238 1333 3475 2895 1002 1590 829 -1931 1661 -937 -386 -141 1172 1049 979 -456 -2441 255 -631 1099 -363 1189 -2613 -660 -2126 -916 -371 765 -573 839 22 -435 1487 621 239 -58 -550 -99 559 337 780 -665 -547 -490 -299 -1063 -1036 -808 95 -75 849 -30 946 247 -635 -263 450 -89 -112 -1006 -153 -100 -920 349 1038 227 356 668 -340 655 1233 291 90 48 139 -407 517 -188 -73 351 -179 -414 -632 -70 720 -194 768 -496 -1404 314 -759 -322 885 491 -855 875 103 464 476 101 48 -2557 1423 256 -517 57 -386 -73 -158 659 659 -332 175 238 -866 872 43 424 -483 -667 -536 -94 -645 -161 537 -1833 -3 366 -166 27 -451 -153 -1138 -407 -343 448 503 617 876 355 318 -491 975 -104 597 1665 1548 592 936 461 -1060 886 -561 -262 -104 879 775 685 -296 -1447 136 -334 626 -242 891 -2270 -602 -2065 -855 -367 784 -610 964 24 -445 1375 543 210 -56 -601 -122 696 445 1005 -810 -665 -554 -347 -1348 -1379 -1023 126 -107 1300 -51 1595 409 -996 -380 611 -121 -160 -1548 -245 -161 -1451 527 1491 344 515 921 -484 919 1877 478 154 85 255 -800 1057 -395 -156 747 -370 -813 -1186 -126