File name: Pandora120s1_Davos_20161117_L2Fit_fout2c1d20160404p1-8.txt
File generation date: 20251201T234507.8Z
Data description: Level 2 spectral fitting results file
Data file version: fout2c1p1-8
Local principal investigator: Natalia Kouremeti
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 120
Spectrometer number: 1
Processing software version used: BlickP v1.8.75
Instrument operation file used: Pandora120_OF_v3d20160330.txt
Instrument calibration file used: Pandora120s1_CF_v1d20160404.txt
Level 1 file used: Pandora120s1_Davos_20161117_L1_smca1c1d20160404p1-8.txt
Full location name: PMOD/WRC-Davos
Short location name: Davos
Country of location: Switzerland
Location latitude [deg]: 46.8000
Location longitude [deg]: 9.8300
Location altitude [m]: 1590
Local noon date: 20161117
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: 226 368
Nominal wavelengths inside fitting window [nm]: 305.0238 305.1652 305.3066 305.4480 305.5894 305.7308 305.8721 306.0135 306.1548 306.2961 306.4374 306.5787 306.7200 306.8613 307.0025 307.1438 307.2850 307.4263 307.5675 307.7087 307.8499 307.9911 308.1322 308.2734 308.4145 308.5557 308.6968 308.8379 308.9790 309.1201 309.2612 309.4023 309.5433 309.6844 309.8254 309.9664 310.1075 310.2485 310.3895 310.5304 310.6714 310.8124 310.9533 311.0942 311.2352 311.3761 311.5170 311.6579 311.7988 311.9396 312.0805 312.2213 312.3622 312.5030 312.6438 312.7846 312.9254 313.0661 313.2069 313.3477 313.4884 313.6291 313.7699 313.9106 314.0513 314.1919 314.3326 314.4733 314.6139 314.7546 314.8952 315.0358 315.1764 315.3170 315.4576 315.5982 315.7387 315.8793 316.0198 316.1603 316.3009 316.4414 316.5819 316.7223 316.8628 317.0033 317.1437 317.2841 317.4246 317.5650 317.7054 317.8458 317.9862 318.1265 318.2669 318.4072 318.5476 318.6879 318.8282 318.9685 319.1088 319.2490 319.3893 319.5296 319.6698 319.8100 319.9503 320.0905 320.2307 320.3708 320.5110 320.6512 320.7913 320.9315 321.0716 321.2117 321.3518 321.4919 321.6320 321.7720 321.9121 322.0522 322.1922 322.3322 322.4722 322.6122 322.7522 322.8922 323.0322 323.1721 323.3121 323.4520 323.5919 323.7318 323.8717 324.0116 324.1515 324.2913 324.4312 324.5710 324.7109 324.8507 324.9905
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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: 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 77: 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 78: 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 79: 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 80: 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 81: 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 82: Atmospheric variability [%], 999=no atmospheric variability was determined
Column 83: Wavelength effective temperature [°C], 999=no effective temperature given
Column 84: Estimated average residual stray light level [%] (only valid for stray light correction methods 2 and higher)
Column 85: Retrieved wavelength shift from L1 data [nm], -9=no wavelength change determination
Column 86: Retrieved total wavelength shift [nm], -9=no wavelength change fitting
Column 87: Number of bright count cycles
Column 88: Number of dark count cycles
Column 89: Effective position of filterwheel #1, 0=filterwheel not used, 1-9 are valid positions
Column 90: Effective position of filterwheel #2, 0=filterwheel not used, 1-9 are valid positions
Column 91: Sum over 2^i, 0=spectra were interpolated in time, 1=spectra are corrected for off-target signal
Column 92: Integration time [ms]
Column 93: Spectrometer control temperature [°C], 999=no temperature signal
Column 94: Auxiliary spectrometer temperature [°C], 999=no temperature signal
Column 95: Temperature at electronics board 1 [°C], 999=no temperature signal
Column 96: Temperature at electronics board 2 [°C], 999=no temperature signal
Columns 97-239: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting
Columns 240-382: 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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