File name: Pandora120s1_Davos_20250828_L2Fit_fsus1c5d20240814p1-8.txt
File generation date: 20250828T232840.9Z
Data description: Level 2 spectral fitting results file
Data file version: fsus1c5p1-8
Local principal investigator: Julian Groebner
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_v5d20190819.txt
Instrument calibration file used: Pandora120s1_CF_v5d20240814.txt
Level 1 file used: Pandora120s1_Davos_20250828_L1_smca1c5d20240814p1-8.txt
Full location name: PMOD/WRC-Davos
Short location name: Davos
Country of location: Switzerland
Location latitude [deg]: 46.8129
Location longitude [deg]: 9.8437
Location altitude [m]: 1590
Local noon date: 20250828
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: 234 378
Nominal wavelengths inside fitting window [nm]: 306.1054 306.2467 306.3880 306.5293 306.6706 306.8118 306.9531 307.0943 307.2356 307.3768 307.5180 307.6592 307.8004 307.9415 308.0827 308.2239 308.3650 308.5061 308.6473 308.7884 308.9295 309.0706 309.2116 309.3527 309.4938 309.6348 309.7758 309.9169 310.0579 310.1989 310.3399 310.4808 310.6218 310.7627 310.9037 311.0446 311.1855 311.3265 311.4674 311.6082 311.7491 311.8900 312.0308 312.1717 312.3125 312.4533 312.5941 312.7349 312.8757 313.0165 313.1573 313.2980 313.4388 313.5795 313.7202 313.8609 314.0016 314.1423 314.2830 314.4237 314.5643 314.7050 314.8456 314.9862 315.1268 315.2674 315.4080 315.5486 315.6891 315.8297 315.9702 316.1108 316.2513 316.3918 316.5323 316.6728 316.8133 316.9537 317.0942 317.2346 317.3750 317.5155 317.6559 317.7963 317.9366 318.0770 318.2174 318.3577 318.4981 318.6384 318.7787 318.9190 319.0593 319.1996 319.3399 319.4801 319.6204 319.7606 319.9008 320.0410 320.1813 320.3214 320.4616 320.6018 320.7420 320.8821 321.0222 321.1624 321.3025 321.4426 321.5827 321.7227 321.8628 322.0029 322.1429 322.2829 322.4230 322.5630 322.7030 322.8430 322.9829 323.1229 323.2629 323.4028 323.5427 323.6827 323.8226 323.9625 324.1023 324.2422 324.3821 324.5219 324.6618 324.8016 324.9414 325.0812 325.2210 325.3608 325.5006 325.6403 325.7801 325.9198 326.0595 326.1992 326.3390
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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: Bromine oxide slant column amount [moles per square meter], -9e99=fitting not successful
Column 23: Independent uncertainty of bromine oxide 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 bromine oxide 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 bromine oxide 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 bromine oxide 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: Bromine oxide effective temperature [K]
Column 28: Independent uncertainty of bromine oxide 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 bromine oxide 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 bromine oxide 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 bromine oxide fitting wavelength [nm], -9=fitting not successful
Column 32: Diffuse correction applied before fitting at effective fitting wavelength for bromine oxide [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction
Column 33: Formaldehyde slant column amount [moles per square meter], -9e99=fitting not successful
Column 34: Independent uncertainty of formaldehyde 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 formaldehyde 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 formaldehyde 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 formaldehyde 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: Formaldehyde effective temperature [K]
Column 39: Independent uncertainty of formaldehyde 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 formaldehyde 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 formaldehyde 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 formaldehyde fitting wavelength [nm], -9=fitting not successful
Column 43: Diffuse correction applied before fitting at effective fitting wavelength for formaldehyde [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction
Column 44: Nitrous acid slant column amount [moles per square meter], -9e99=fitting not successful
Column 45: Independent uncertainty of nitrous acid 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 46: Structured uncertainty of nitrous acid slant column amount [moles per square meter], -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful
Column 47: Common uncertainty of nitrous acid 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 48: rms-based uncertainty of nitrous acid 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 49: Nitrous acid effective temperature [K]
Column 50: Independent uncertainty of nitrous acid 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 51: Structured uncertainty of nitrous acid 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 52: Common uncertainty of nitrous acid 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 53: Effective nitrous acid fitting wavelength [nm], -9=fitting not successful
Column 54: Diffuse correction applied before fitting at effective fitting wavelength for nitrous acid [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction
Column 55: Nitrogen dioxide slant column amount [moles per square meter], -9e99=fitting not successful
Column 56: Independent uncertainty of nitrogen 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 57: Structured uncertainty of nitrogen dioxide slant column amount [moles per square meter], -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful
Column 58: Common uncertainty of nitrogen 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 59: rms-based uncertainty of nitrogen 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 60: Nitrogen dioxide effective temperature [K]
Column 61: Independent uncertainty of nitrogen 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 62: Structured uncertainty of nitrogen 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 63: Common uncertainty of nitrogen 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 64: Effective nitrogen dioxide fitting wavelength [nm], -9=fitting not successful
Column 65: Diffuse correction applied before fitting at effective fitting wavelength for nitrogen dioxide [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction
Column 66: Ozone slant column amount [moles per square meter], -9e99=fitting not successful
Column 67: 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 68: 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 69: 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 70: 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 71: Ozone effective temperature [K]
Column 72: 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 73: 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 74: 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 75: rms-based 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 rms-based uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -9=spectral fitting not successful
Column 76: Effective ozone fitting wavelength [nm], -9=fitting not successful
Column 77: 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 78: Sulfur dioxide slant column amount [moles per square meter], -9e99=fitting not successful
Column 79: 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 80: 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 81: 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 82: 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 83: Sulfur dioxide effective temperature [K]
Column 84: 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 85: 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 86: 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 87: Effective sulfur dioxide fitting wavelength [nm], -9=fitting not successful
Column 88: 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 89: Molecular scattering air mass factor used for molecular scattering subtraction before the fitting
Column 90: Estimated uncertainty of molecular scattering air mass factor, -9=molecular scattering was not subtracted before the fitting
Column 91: Lower limit used for wavelength scaling [nm]
Column 92: Upper limit used for wavelength scaling [nm]
Column 93: Order of smoothing polynomial
Column 94: Smoothing polynomial coefficient, order 0
Column 95: Independent uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 96: Structured uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 97: Common uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 98: rms-based uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful
Column 99: Smoothing polynomial coefficient, order 1
Column 100: Independent uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 101: Structured uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 102: Common uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 103: rms-based uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful
Column 104: Smoothing polynomial coefficient, order 2
Column 105: Independent uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful
Column 106: Structured uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful
Column 107: Common uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful
Column 108: rms-based uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful
Column 109: Smoothing polynomial coefficient, order 3
Column 110: Independent uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful
Column 111: Structured uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful
Column 112: Common uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful
Column 113: rms-based uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful
Column 114: Smoothing polynomial coefficient, order 4
Column 115: Independent uncertainty of smoothing polynomial coefficient, order 4, -9=fitting not successful
Column 116: Structured uncertainty of smoothing polynomial coefficient, order 4, -9=fitting not successful
Column 117: Common uncertainty of smoothing polynomial coefficient, order 4, -9=fitting not successful
Column 118: rms-based uncertainty of smoothing polynomial coefficient, order 4, -9=fitting not successful
Column 119: Mean value of measured data inside fitting window [same units as measurements]
Column 120: Offset polynomial coefficient, order 0
Column 121: Independent uncertainty of offset polynomial coefficient, order 0, -9=fitting not successful
Column 122: Structured uncertainty of offset polynomial coefficient, order 0, -9=fitting not successful
Column 123: Common uncertainty of offset polynomial coefficient, order 0, -9=fitting not successful
Column 124: rms-based uncertainty of offset polynomial coefficient, order 0, -9=fitting not successful
Column 125: Wavelength change polynomial coefficient, order 0
Column 126: Independent uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 127: Structured uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 128: Common uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 129: rms-based uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful
Column 130: L1 based wavelength change coefficient, order 0, -9=no L1 wavelength change determination
Column 131: L1 based wavelength change coefficient, order 1, -9=no L1 wavelength change determination
Column 132: Resolution change polynomial coefficient, order 0
Column 133: Independent uncertainty of resolution change polynomial coefficient, order 0, -9=fitting not successful
Column 134: Structured uncertainty of resolution change polynomial coefficient, order 0, -9=fitting not successful
Column 135: Common uncertainty of resolution change polynomial coefficient, order 0, -9=fitting not successful
Column 136: rms-based uncertainty of resolution change polynomial coefficient, order 0, -9=fitting not successful
Column 137: 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 138: 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 139: 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 140: 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 141: 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 142: 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 143: Atmospheric variability [%], 999=no atmospheric variability was determined
Column 144: Wavelength effective temperature [°C], 999=no effective temperature given
Column 145: Estimated average residual stray light level [%] (only valid for stray light correction methods 2 and higher)
Column 146: Retrieved wavelength shift from L1 data [nm], -9=no wavelength change determination
Column 147: Retrieved total wavelength shift [nm], -9=no wavelength change fitting
Column 148: Number of bright count cycles
Column 149: Number of dark count cycles
Column 150: Effective position of filterwheel #1, 0=filterwheel not used, 1-9 are valid positions
Column 151: Effective position of filterwheel #2, 0=filterwheel not used, 1-9 are valid positions
Column 152: Sum over 2^i, 0=spectra were interpolated in time, 1=spectra are corrected for off-target signal
Column 153: Integration time [ms]
Column 154: Spectrometer control temperature [°C], 999=no temperature signal
Column 155: Auxiliary spectrometer temperature [°C], 999=no temperature signal
Column 156: Temperature in head sensor [°C], 999=no temperature signal
Column 157: Temperature at electronics board 1 [°C], 999=no temperature signal
Column 158: Temperature at electronics board 2 [°C], 999=no temperature signal
Column 159: Humidity in head sensor [%], -9=no humidity signal
Column 160: Pressure in head sensor [hPa], -9=no pressure signal
Columns 161-305: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting
Columns 306-450: 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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