File name: Pandora215s1_PhnomPenh_20230717_L2Fit_fout2c3d20220901p1-8.txt File generation date: 20260701T132813.5Z Data description: Level 2 spectral fitting results file Data file version: fout2c3p1-8 Local principal investigator: Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 215 Spectrometer number: 1 Processing software version used: BlickP v1.8.88 Instrument operation file used: Pandora215_OF_v3d20220118.txt Instrument calibration file used: Pandora215s1_CF_v3d20220901.txt Level 1 file used: Pandora215s1_PhnomPenh_20230717_L1_smca1c3d20220901p1-8.txt Full location name: Cambodia Ministry of Environment, Phnom Penh City Short location name: PhnomPenh Country of location: Cambodia Location latitude [deg]: 11.5554 Location longitude [deg]: 104.9389 Location altitude [m]: 25 Local noon date: 20230717 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 2 First and last pixel inside fitting window: 244 386 Nominal wavelengths inside fitting window [nm]: 305.0430 305.1843 305.3257 305.4670 305.6083 305.7496 305.8909 306.0322 306.1734 306.3147 306.4559 306.5972 306.7384 306.8796 307.0208 307.1620 307.3032 307.4443 307.5855 307.7266 307.8677 308.0089 308.1500 308.2911 308.4321 308.5732 308.7143 308.8553 308.9963 309.1374 309.2784 309.4194 309.5603 309.7013 309.8423 309.9832 310.1242 310.2651 310.4060 310.5469 310.6878 310.8287 310.9695 311.1104 311.2512 311.3921 311.5329 311.6737 311.8145 311.9553 312.0960 312.2368 312.3775 312.5183 312.6590 312.7997 312.9404 313.0811 313.2217 313.3624 313.5031 313.6437 313.7843 313.9249 314.0655 314.2061 314.3467 314.4873 314.6278 314.7684 314.9089 315.0494 315.1899 315.3304 315.4709 315.6114 315.7518 315.8923 316.0327 316.1731 316.3135 316.4539 316.5943 316.7347 316.8750 317.0154 317.1557 317.2960 317.4364 317.5767 317.7169 317.8572 317.9975 318.1377 318.2780 318.4182 318.5584 318.6986 318.8388 318.9790 319.1192 319.2593 319.3995 319.5396 319.6797 319.8198 319.9599 320.1000 320.2401 320.3801 320.5202 320.6602 320.8002 320.9402 321.0802 321.2202 321.3602 321.5001 321.6401 321.7800 321.9199 322.0599 322.1997 322.3396 322.4795 322.6194 322.7592 322.8991 323.0389 323.1787 323.3185 323.4583 323.5981 323.7378 323.8776 324.0173 324.1570 324.2968 324.4365 324.5762 324.7158 324.8555 324.9952 --------------------------------------------------------------------------------------- Column 1: Two letter code of measurement routine Column 2: UT date and time for center-time of measurement, yyyymmddThhmmssZ (ISO 8601) Column 3: Fractional days since 1-Jan-2000 midnight for center-time of measurement Column 4: Routine count (1 for the first routine of the day, 2 for the second, etc.) Column 5: Repetition count (1 for the first set in the routine, 2 for the second, etc.) Column 6: Total duration of measurement set in seconds Column 7: Data processing type index Column 8: Solar zenith angle for center-time of measurement in degree Column 9: Solar azimuth for center-time of measurement in degree, 0=north, increases clockwise Column 10: Lunar zenith angle for center-time of measurement in degree Column 11: Lunar azimuth for center-time of measurement in degree, 0=north, increases clockwise Column 12: Pointing zenith angle in degree, absolute or relative (see next column), 999=tracker not used Column 13: Zenith pointing mode: zenith angle is... 0=absolute, 1=relative to sun, 2=relative to moon Column 14: Pointing azimuth in degree, increases clockwise, absolute (0=north) or relative (see next column), 999=tracker not used Column 15: Azimuth pointing mode: like zenith angle mode but also fixed scattering angles relative to sun (3) or moon (4) Column 16: Fitting result index: 0=no error or warning, 1, 2=warning, >2=error Column 17: Number of function evaluations used, 0=linear fitting or fitting not successful or no fitting done Column 18: rms of unweighted fitting residuals, -9=fitting not successful Column 19: Normalized rms of fitting residuals weighted with independent uncertainty, -9=fitting not successful or no uncertainty used Column 20: Expected rms based on independent uncertainty, -9=fitting not successful or no uncertainty given Column 21: Expected normalized weighted rms based on independent uncertainty, -9=fitting not successful or no uncertainty given Column 22: Ozone slant column amount [moles per square meter], -9e99=fitting not successful Column 23: Independent uncertainty of ozone slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -5=no independent uncertainty input was given, -9=spectral fitting not successful Column 24: Structured uncertainty of ozone slant column amount [moles per square meter], -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful Column 25: Common uncertainty of ozone slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -6=no common uncertainty input was given, -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful Column 26: rms-based uncertainty of ozone slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no rms-based uncertainty could be retrieved, -9=spectral fitting not successful Column 27: Ozone effective temperature [K] Column 28: Independent uncertainty of ozone effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -5=no independent uncertainty input was given, -9=spectral fitting not successful Column 29: Structured uncertainty of ozone effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -9=spectral fitting not successful Column 30: Common uncertainty of ozone effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no common uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -6=no common uncertainty input was given, -9=spectral fitting not successful Column 31: Effective ozone fitting wavelength [nm], -9=fitting not successful Column 32: Diffuse correction applied before fitting at effective fitting wavelength for ozone [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction Column 33: Sulfur dioxide slant column amount [moles per square meter], -9e99=fitting not successful Column 34: Independent uncertainty of sulfur dioxide slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -5=no independent uncertainty input was given, -9=spectral fitting not successful Column 35: Structured uncertainty of sulfur dioxide slant column amount [moles per square meter], -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful Column 36: Common uncertainty of sulfur dioxide slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -6=no common uncertainty input was given, -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful Column 37: rms-based uncertainty of sulfur dioxide slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no rms-based uncertainty could be retrieved, -9=spectral fitting not successful Column 38: Sulfur dioxide effective temperature [K] Column 39: Independent uncertainty of sulfur dioxide effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -5=no independent uncertainty input was given, -9=spectral fitting not successful Column 40: Structured uncertainty of sulfur dioxide effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -9=spectral fitting not successful Column 41: Common uncertainty of sulfur dioxide effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no common uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -6=no common uncertainty input was given, -9=spectral fitting not successful Column 42: Effective sulfur dioxide fitting wavelength [nm], -9=fitting not successful Column 43: Diffuse correction applied before fitting at effective fitting wavelength for sulfur dioxide [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction Column 44: Molecular scattering air mass factor used for molecular scattering subtraction before the fitting Column 45: Estimated uncertainty of molecular scattering air mass factor, -9=molecular scattering was not subtracted before the fitting Column 46: Lower limit used for wavelength scaling [nm] Column 47: Upper limit used for wavelength scaling [nm] Column 48: Order of smoothing polynomial Column 49: Smoothing polynomial coefficient, order 0 Column 50: Independent uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 51: Structured uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 52: Common uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 53: rms-based uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 54: Smoothing polynomial coefficient, order 1 Column 55: Independent uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 56: Structured uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 57: Common uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 58: rms-based uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 59: Smoothing polynomial coefficient, order 2 Column 60: Independent uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful Column 61: Structured uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful Column 62: Common uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful Column 63: rms-based uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful Column 64: Smoothing polynomial coefficient, order 3 Column 65: Independent uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful Column 66: Structured uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful Column 67: Common uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful Column 68: rms-based uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful Column 69: Mean value of measured data inside fitting window [same units as measurements] Column 70: Wavelength change polynomial coefficient, order 0 Column 71: Independent uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 72: Structured uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 73: Common uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 74: rms-based uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 75: L1 based wavelength change coefficient, order 0, -9=no L1 wavelength change determination Column 76: L1 based wavelength change coefficient, order 1, -9=no L1 wavelength change determination Column 77: L2Fit data quality flag: 0=assured high quality, 1=assured medium quality, 2=assured low quality, 10=not-assured high quality, 11=not-assured medium quality, 12=not-assured low quality Column 78: Sum over 2^i using those i, for which the corresponding L2Fit data quality parameter exceeds the DQ1 limit, 0=L1 data quality above 0, 1=Spectral fitting was not successful, 2=Wavelength shift too large, 3=Normalized rms of fitting residuals weighted with independent uncertainty too large Column 79: Sum over 2^i using those i, for which the corresponding L2Fit data quality parameter exceeds the DQ2 limit (same parameters as for DQ1) Column 80: L1 data quality flag: 0=assured high quality, 1=assured medium quality, 2=assured low quality, 10=not-assured high quality, 11=not-assured medium quality, 12=not-assured low quality Column 81: Sum over 2^i using those i, for which the corresponding L1 data quality parameter exceeds the DQ1 limit, 0=Saturated data, 1=Too few dark counts measurements, 2=No temperature given or effective temperature too different from the reference temperature, 3=Dark count too high, 4=Unsuccessful dark background fitting, 5=The dark count differs significantly from the dark map for too many pixels, 6=Absolute value of estimated average residual stray light level too high, 7=Although attempted, no wavelength change could be retrieved, 8=Absolute value of retrieved wavelength shift too large, 9=Retrieved wavelength shift differs too much from the shift predicted by the effective temperature Column 82: Sum over 2^i using those i, for which the corresponding L1 data quality parameter exceeds the DQ2 limit (same parameters as for DQ1) Column 83: Atmospheric variability [%], 999=no atmospheric variability was determined Column 84: Wavelength effective temperature [°C], 999=no effective temperature given Column 85: Estimated average residual stray light level [%] (only valid for stray light correction methods 2 and higher) Column 86: Retrieved wavelength shift from L1 data [nm], -9=no wavelength change determination Column 87: Retrieved total wavelength shift [nm], -9=no wavelength change fitting Column 88: Number of bright count cycles Column 89: Number of dark count cycles Column 90: Effective position of filterwheel #1, 0=filterwheel not used, 1-9 are valid positions Column 91: Effective position of filterwheel #2, 0=filterwheel not used, 1-9 are valid positions Column 92: Sum over 2^i, 0=spectra were interpolated in time, 1=spectra are corrected for off-target signal Column 93: Integration time [ms] Column 94: Temperature at electronics board [°C], 999=no temperature signal Column 95: Spectrometer control temperature [°C], 999=no temperature signal Column 96: Auxiliary spectrometer temperature [°C], 999=no temperature signal Column 97: Temperature in head sensor [°C], 999=no temperature signal Column 98: Humidity in head sensor [%], -9=no humidity signal Column 99: Pressure in head sensor [hPa], -9=no pressure signal Columns 100-242: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 243-385: Normalized slant column residuals weighted with independent instrumental uncertainty for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting, 0=no independent instrumental uncertainty was given --------------------------------------------------------------------------------------- SU 20230717T045121.7Z 8598.202334 259 1 47.76 2 10.33 19.95 15.88 352.60 0.00 1 0.00 1 0 17 7.825e-03 6.373e-03 2.030e-03 1.544e-03 1.240439e-01 8.196389e-04 1.336636e-03 -6.000000e+00 4.641908e-03 227.45 -2.00 3.07 -2.00 314.38 0.00e+00 1.810365e-04 6.611241e-05 1.845608e-05 -6.000000e+00 2.158633e-04 294.70 -2.00 20.00 -2.00 313.69 0.00e+00 1.016 0.000 302.00 328.00 3 5.4958e+00 2.0834e-03 1.1481e-02 -6.0000e+00 1.1468e-02 1.2898e-02 2.3029e-03 5.6016e-03 -6.0000e+00 1.2390e-02 -4.9448e-04 1.3251e-03 2.7333e-03 -6.0000e+00 7.4388e-03 -4.7755e-03 5.8034e-04 7.6718e-04 -6.0000e+00 3.2057e-03 7.4752e-04 6.2447e-04 4.6702e-05 1.1660e-05 -6.0000e+00 2.3189e-04 2.8356e-02 -4.9660e-04 10 0 0 10 0 0 99.89 18.77 0.37 0.02836 0.03305 14 3 1 5 0 3410.910 21.79 15.00 18.77 38.12 16.9 1010.33 -536 -320 -994 -1121 -2101 -1918 -457 643 -82 -840 100 -584 1242 -364 429 907 991 1043 631 1125 452 1977 784 630 470 329 -1186 78 -227 222 370 997 -590 -1768 -746 -2645 -1845 -1342 -882 -818 16 -174 -401 -26 -510 14 -632 -582 228 555 184 332 370 1245 1104 777 512 338 324 1001 935 1148 1511 307 40 204 -568 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8598.209026 262 1 46.97 2 9.77 7.46 16.32 345.17 0.00 1 0.00 1 0 17 7.843e-03 6.431e-03 2.188e-03 1.661e-03 1.225538e-01 8.826005e-04 1.312617e-03 -6.000000e+00 4.653817e-03 227.45 -2.00 3.07 -2.00 314.37 0.00e+00 3.099414e-04 7.062960e-05 1.240697e-05 -6.000000e+00 2.163320e-04 294.70 -2.00 20.00 -2.00 313.67 0.00e+00 1.015 0.000 302.00 328.00 3 5.6098e+00 2.2437e-03 1.1429e-02 -6.0000e+00 1.1497e-02 1.1163e-02 2.4785e-03 5.5385e-03 -6.0000e+00 1.2420e-02 7.6034e-04 1.4270e-03 2.6926e-03 -6.0000e+00 7.4571e-03 -5.5000e-03 6.2525e-04 7.8168e-04 -6.0000e+00 3.2148e-03 6.7016e-04 9.7806e-04 5.0414e-05 1.1327e-05 -6.0000e+00 2.3235e-04 2.7059e-02 -4.5515e-04 11 9 0 11 32 0 73.18 18.78 0.57 0.02706 0.03441 13 3 1 5 0 3612.470 21.79 15.00 18.78 38.58 17.0 1012.54 -18 -117 -1087 -954 -1532 -1401 -1093 367 54 194 -9 -702 -1680 -283 484 567 1098 646 866 1146 873 1529 969 826 1470 433 -863 -501 787 501 -177 1091 -838 -1227 -1774 -2590 -1926 -900 -1025 -760 -659 -473 -548 41 -417 -408 -500 -1020 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