File name: Pandora246s1_IowaCityIA-WHS_20250214_L2Fit_fout2c2d20230109p1-8.txt
File generation date: 20250215T062531.9Z
Data description: Level 2 spectral fitting results file
Data file version: fout2c2p1-8
Local principal investigator: 
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 246
Spectrometer number: 1
Processing software version used: BlickP v1.8.70
Instrument operation file used: Pandora246_OF_v1d20221122.txt
Instrument calibration file used: Pandora246s1_CF_v2d20230109.txt
Level 1 file used: Pandora246s1_IowaCityIA-WHS_20250214_L1_smca1c2d20230109p1-8.txt
Full location name: West High School, Iowa City, IA
Short location name: IowaCityIA-WHS
Country of location: United States
Location latitude [deg]: 41.6548
Location longitude [deg]: -91.5827
Location altitude [m]: 235
Local noon date: 20250214
Notes on s-number (L1 configuration): Corrections NOT applied although requested by the s-number are latency correction, matrix method stray light correction (replaced by simple method)
Data caveats: OoB session based on session 1
First and last pixel inside fitting window: 198 339
Nominal wavelengths inside fitting window [nm]: 305.1105 305.2516 305.3926 305.5337 305.6748 305.8158 305.9568 306.0979 306.2389 306.3799 306.5209 306.6618 306.8028 306.9438 307.0847 307.2256 307.3666 307.5075 307.6484 307.7892 307.9301 308.0710 308.2118 308.3527 308.4935 308.6343 308.7751 308.9159 309.0567 309.1974 309.3382 309.4789 309.6197 309.7604 309.9011 310.0418 310.1825 310.3232 310.4638 310.6045 310.7451 310.8858 311.0264 311.1670 311.3076 311.4482 311.5887 311.7293 311.8699 312.0104 312.1509 312.2914 312.4319 312.5724 312.7129 312.8534 312.9938 313.1343 313.2747 313.4151 313.5555 313.6959 313.8363 313.9767 314.1171 314.2574 314.3977 314.5381 314.6784 314.8187 314.9590 315.0993 315.2395 315.3798 315.5200 315.6603 315.8005 315.9407 316.0809 316.2211 316.3613 316.5015 316.6416 316.7817 316.9219 317.0620 317.2021 317.3422 317.4823 317.6224 317.7624 317.9025 318.0425 318.1825 318.3225 318.4625 318.6025 318.7425 318.8825 319.0224 319.1624 319.3023 319.4422 319.5821 319.7220 319.8619 320.0018 320.1417 320.2815 320.4213 320.5612 320.7010 320.8408 320.9806 321.1204 321.2601 321.3999 321.5396 321.6794 321.8191 321.9588 322.0985 322.2382 322.3779 322.5175 322.6572 322.7968 322.9364 323.0761 323.2157 323.3552 323.4948 323.6344 323.7740 323.9135 324.0530 324.1926 324.3321 324.4716 324.6110 324.7505 324.8900
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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 100-241: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting
Columns 242-383: 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
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SS 20250214T172154.4Z 9176.723546 404 1 4.82 2 56.06 162.71 123.41 313.39 0.00 1 0.00 1 0 17 2.259e-02 1.438e-02 1.133e-02 5.897e-03 2.551518e-01 2.987286e-03 3.218344e-03 -6.000000e+00 1.283174e-02 224.72 -2.00 3.52 -2.00 315.97 0.00e+00 -1.042974e-03 3.037169e-04 1.208489e-04 -6.000000e+00 5.485285e-04 273.24 -2.00 20.00 -2.00 315.47 0.00e+00 1.786 0.000 302.00 328.00 3 4.8931e+00 7.6895e-03 2.1740e-02 -6.0000e+00 3.1782e-02 2.1599e-02 8.5645e-03 1.3198e-02 -6.0000e+00 3.4506e-02 -5.0839e-03 4.9829e-03 6.5651e-03 -6.0000e+00 2.0479e-02 -4.1512e-03 2.3556e-03 2.0614e-03 -6.0000e+00 8.8690e-03 5.1595e-04 -4.2632e-04 1.6327e-04 2.4019e-05 -6.0000e+00 6.0216e-04 -3.5609e-02 9.0791e-05 12 9 9 12 1 1 999.00 23.80 0.23 -0.03561 -0.03881 1 2 1 5 0 2409.510 32.25 20.50 23.80 8.41 3.0 837.70 -8584 -3208 -8195 -1839 -5358 -5730 -2256 -53 -2764 -1873 -3029 6817 -385 3235 -1284 1175 -866 909 4028 -2537 1581 1513 -2062 2967 1134 1901 2580 511 3917 995 368 3191 594 -2811 -295 -2786 -1562 -1337 208 450 1220 884 -98 400 618 -178 110 -1930 -801 3152 201 2111 2368 1055 1344 1368 719 -13801 1058 847 2167 1578 1478 2135 81 -1137 -177 -480 460 368 1675 194 59 363 22 1000 1543 1272 -473 -1013 -1274 -1983 -2061 -1383 -1915 -397 -1114 719 -366 -869 208 849 900 653 447 -465 516 -63 -152 -167 66 -279 498 -145 -1064 -1017 -892 286 483 1106 147 -227 277 482 893 1179 187 83 -143 -427 -696 -169 -396 1337 631 -634 1012 476 474 -152 638 500 87 -233 809 189 52 -390 -78 -686 -650 -796 -1830 -704 -1920 -375 -1095 -1132 -461 -11 -660 -466 -752 1571 -106 907 -427 416 -325 322 1434 -997 605 574 -835 1217 502 867 1158 218 1493 384 152 1376 266 -1322 -135 -1286 -733 -689 128 301 831 629 -72 294 450 -130 78 -1360 -546 2083 145 1518 1793 852 1058 1100 593 -12416 841 671 1753 1383 1341 2037 77 -1006 -152 -405 415 343 1677 195 59 362 21 900 1317 1044 -399 -926 -1249 -2061 -2272 -1520 -2186 -478 -1362 886 -454 -1074 244 938 953 681 480 -533 626 -82 -199 -219 80 -325 575 -171 -1322 -1325 -1169 388 664 1557 219 -339 393 652 1187 1482 240 108 -193 -615 -1016 -241 -551 1804 845 -818 1273 592 636 -210 885 710 126 -343 1211 298 81 -625 -124 -1100 -1004 -1227