File name: Pandora216s1_Ulaanbaatar_20241025_L2Fit_fsus1c3d20230802p1-8.txt File generation date: 20241025T164219.9Z Data description: Level 2 spectral fitting results file Data file version: fsus1c3p1-8 Local principal investigator: Enkhbaatar Davaanyam Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 216 Spectrometer number: 1 Processing software version used: BlickP v1.8.60 Instrument operation file used: Pandora216_OF_v4d20211104.txt Instrument calibration file used: Pandora216s1_CF_v3d20230802.txt Level 1 file used: Pandora216s1_Ulaanbaatar_20241025_L1_smca1c3d20230802p1-8.txt Full location name: Center for Meteorology, Hydrology and Environmental Monitoring, Ulaanbaatar Short location name: Ulaanbaatar Country of location: Mongolia Location latitude [deg]: 47.9188 Location longitude [deg]: 106.8480 Location altitude [m]: 1305 Local noon date: 20241025 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: Clearance session after repairs based on lab analysis from session 2 First and last pixel inside fitting window: 203 347 Nominal wavelengths inside fitting window [nm]: 306.0647 306.2060 306.3473 306.4885 306.6298 306.7710 306.9123 307.0535 307.1947 307.3359 307.4770 307.6182 307.7593 307.9005 308.0416 308.1827 308.3238 308.4649 308.6060 308.7471 308.8881 309.0292 309.1702 309.3112 309.4522 309.5932 309.7342 309.8752 310.0161 310.1571 310.2980 310.4389 310.5798 310.7207 310.8616 311.0025 311.1433 311.2842 311.4250 311.5658 311.7067 311.8475 311.9882 312.1290 312.2698 312.4105 312.5513 312.6920 312.8327 312.9734 313.1141 313.2548 313.3955 313.5361 313.6767 313.8174 313.9580 314.0986 314.2392 314.3798 314.5203 314.6609 314.8015 314.9420 315.0825 315.2230 315.3635 315.5040 315.6445 315.7849 315.9254 316.0658 316.2063 316.3467 316.4871 316.6275 316.7678 316.9082 317.0486 317.1889 317.3292 317.4695 317.6099 317.7502 317.8904 318.0307 318.1710 318.3112 318.4514 318.5917 318.7319 318.8721 319.0123 319.1524 319.2926 319.4328 319.5729 319.7130 319.8531 319.9932 320.1333 320.2734 320.4135 320.5535 320.6936 320.8336 320.9736 321.1136 321.2536 321.3936 321.5336 321.6736 321.8135 321.9534 322.0934 322.2333 322.3732 322.5131 322.6530 322.7928 322.9327 323.0725 323.2123 323.3522 323.4920 323.6318 323.7715 323.9113 324.0511 324.1908 324.3306 324.4703 324.6100 324.7497 324.8894 325.0291 325.1687 325.3084 325.4480 325.5877 325.7273 325.8669 326.0065 326.1461 326.2856 --------------------------------------------------------------------------------------- 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: Temperature at electronics board [°C], 999=no temperature signal Column 155: Spectrometer control temperature [°C], 999=no temperature signal Column 156: Auxiliary spectrometer temperature [°C], 999=no temperature signal Column 157: Temperature in head sensor [°C], 999=no temperature signal Column 158: Humidity in head sensor [%], -9=no humidity signal Column 159: Pressure in head sensor [hPa], -9=no pressure signal Columns 160-304: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 305-449: 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 ---------------------------------------------------------------------------------------