File name: Pandora134s1_BristolPA_20220120_L2Fit_fout2c2d20210612p1-8.txt File generation date: 20251127T003055.1Z Data description: Level 2 spectral fitting results file Data file version: fout2c2p1-8 Local principal investigator: Lukas Valin Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 134 Spectrometer number: 1 Processing software version used: BlickP v1.8.75 Instrument operation file used: Pandora134_OF_v6d20200325.txt Instrument calibration file used: Pandora134s1_CF_v2d20210612.txt Level 1 file used: Pandora134s1_BristolPA_20220120_L1_smca1c2d20210612p1-8.txt Full location name: Franklin D. Roosevelt Middle School; Bristol, Pennsylvania Short location name: BristolPA Country of location: United States Location latitude [deg]: 40.1074 Location longitude [deg]: -74.8824 Location altitude [m]: 10 Local noon date: 20220120 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: 234 375 Nominal wavelengths inside fitting window [nm]: 305.0874 305.2288 305.3702 305.5115 305.6529 305.7942 305.9356 306.0769 306.2182 306.3595 306.5008 306.6420 306.7833 306.9246 307.0658 307.2070 307.3482 307.4894 307.6306 307.7718 307.9130 308.0541 308.1953 308.3364 308.4775 308.6187 308.7598 308.9008 309.0419 309.1830 309.3240 309.4651 309.6061 309.7471 309.8881 310.0291 310.1701 310.3111 310.4521 310.5930 310.7340 310.8749 311.0158 311.1567 311.2976 311.4385 311.5793 311.7202 311.8610 312.0019 312.1427 312.2835 312.4243 312.5651 312.7059 312.8466 312.9874 313.1281 313.2689 313.4096 313.5503 313.6910 313.8317 313.9724 314.1130 314.2537 314.3943 314.5349 314.6755 314.8161 314.9567 315.0973 315.2379 315.3784 315.5190 315.6595 315.8000 315.9406 316.0811 316.2215 316.3620 316.5025 316.6429 316.7834 316.9238 317.0642 317.2046 317.3450 317.4854 317.6258 317.7661 317.9065 318.0468 318.1871 318.3275 318.4678 318.6081 318.7483 318.8886 319.0289 319.1691 319.3093 319.4495 319.5898 319.7300 319.8701 320.0103 320.1505 320.2906 320.4308 320.5709 320.7110 320.8511 320.9912 321.1313 321.2713 321.4114 321.5514 321.6915 321.8315 321.9715 322.1115 322.2515 322.3915 322.5314 322.6714 322.8113 322.9513 323.0912 323.2311 323.3710 323.5109 323.6507 323.7906 323.9304 324.0703 324.2101 324.3499 324.4897 324.6295 324.7693 324.9090 --------------------------------------------------------------------------------------- Column 1: Two letter code of measurement routine Column 2: UT date and time for center-time of measurement, yyyymmddThhmmssZ (ISO 8601) Column 3: Fractional days since 1-Jan-2000 midnight for center-time of measurement Column 4: Routine count (1 for the first routine of the day, 2 for the second, etc.) Column 5: Repetition count (1 for the first set in the routine, 2 for the second, etc.) Column 6: Total duration of measurement set in seconds Column 7: Data processing type index Column 8: Solar zenith angle for center-time of measurement in degree Column 9: Solar azimuth for center-time of measurement in degree, 0=north, increases clockwise Column 10: Lunar zenith angle for center-time of measurement in degree Column 11: Lunar azimuth for center-time of measurement in degree, 0=north, increases clockwise Column 12: Pointing zenith angle in degree, absolute or relative (see next column), 999=tracker not used Column 13: Zenith pointing mode: zenith angle is... 0=absolute, 1=relative to sun, 2=relative to moon Column 14: Pointing azimuth in degree, increases clockwise, absolute (0=north) or relative (see next column), 999=tracker not used Column 15: Azimuth pointing mode: like zenith angle mode but also fixed scattering angles relative to sun (3) or moon (4) Column 16: Fitting result index: 0=no error or warning, 1, 2=warning, >2=error Column 17: Number of function evaluations used, 0=linear fitting or fitting not successful or no fitting done Column 18: rms of unweighted fitting residuals, -9=fitting not successful Column 19: Normalized rms of fitting residuals weighted with independent uncertainty, -9=fitting not successful or no uncertainty used Column 20: Expected rms based on independent uncertainty, -9=fitting not successful or no uncertainty given Column 21: Expected normalized weighted rms based on independent uncertainty, -9=fitting not successful or no uncertainty given Column 22: Ozone slant column amount [moles per square meter], -9e99=fitting not successful Column 23: Independent uncertainty of ozone slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -5=no independent uncertainty input was given, -9=spectral fitting not successful Column 24: Structured uncertainty of ozone slant column amount [moles per square meter], -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful Column 25: Common uncertainty of ozone slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -6=no common uncertainty input was given, -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful Column 26: rms-based uncertainty of ozone slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no rms-based uncertainty could be retrieved, -9=spectral fitting not successful Column 27: Ozone effective temperature [K] Column 28: Independent uncertainty of ozone effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -5=no independent uncertainty input was given, -9=spectral fitting not successful Column 29: Structured uncertainty of ozone effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -9=spectral fitting not successful Column 30: Common uncertainty of ozone effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no common uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -6=no common uncertainty input was given, -9=spectral fitting not successful Column 31: Effective ozone fitting wavelength [nm], -9=fitting not successful Column 32: Diffuse correction applied before fitting at effective fitting wavelength for ozone [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction Column 33: Sulfur dioxide slant column amount [moles per square meter], -9e99=fitting not successful Column 34: Independent uncertainty of sulfur dioxide slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -5=no independent uncertainty input was given, -9=spectral fitting not successful Column 35: Structured uncertainty of sulfur dioxide slant column amount [moles per square meter], -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful Column 36: Common uncertainty of sulfur dioxide slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -6=no common uncertainty input was given, -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful Column 37: rms-based uncertainty of sulfur dioxide slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no rms-based uncertainty could be retrieved, -9=spectral fitting not successful Column 38: Sulfur dioxide effective temperature [K] Column 39: Independent uncertainty of sulfur dioxide effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -5=no independent uncertainty input was given, -9=spectral fitting not successful Column 40: Structured uncertainty of sulfur dioxide effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -9=spectral fitting not successful Column 41: Common uncertainty of sulfur dioxide effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no common uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -6=no common uncertainty input was given, -9=spectral fitting not successful Column 42: Effective sulfur dioxide fitting wavelength [nm], -9=fitting not successful Column 43: Diffuse correction applied before fitting at effective fitting wavelength for sulfur dioxide [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction Column 44: Molecular scattering air mass factor used for molecular scattering subtraction before the fitting Column 45: Estimated uncertainty of molecular scattering air mass factor, -9=molecular scattering was not subtracted before the fitting Column 46: Lower limit used for wavelength scaling [nm] Column 47: Upper limit used for wavelength scaling [nm] Column 48: Order of smoothing polynomial Column 49: Smoothing polynomial coefficient, order 0 Column 50: Independent uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 51: Structured uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 52: Common uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 53: rms-based uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 54: Smoothing polynomial coefficient, order 1 Column 55: Independent uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 56: Structured uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 57: Common uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 58: rms-based uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 59: Smoothing polynomial coefficient, order 2 Column 60: Independent uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful Column 61: Structured uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful Column 62: Common uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful Column 63: rms-based uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful Column 64: Smoothing polynomial coefficient, order 3 Column 65: Independent uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful Column 66: Structured uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful Column 67: Common uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful Column 68: rms-based uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful Column 69: Mean value of measured data inside fitting window [same units as measurements] Column 70: Wavelength change polynomial coefficient, order 0 Column 71: Independent uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 72: Structured uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 73: Common uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 74: rms-based uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 75: L1 based wavelength change coefficient, order 0, -9=no L1 wavelength change determination Column 76: L1 based wavelength change coefficient, order 1, -9=no L1 wavelength change determination Column 77: L2Fit data quality flag: 0=assured high quality, 1=assured medium quality, 2=assured low quality, 10=not-assured high quality, 11=not-assured medium quality, 12=not-assured low quality Column 78: Sum over 2^i using those i, for which the corresponding L2Fit data quality parameter exceeds the DQ1 limit, 0=L1 data quality above 0, 1=Spectral fitting was not successful, 2=Wavelength shift too large, 3=Normalized rms of fitting residuals weighted with independent uncertainty too large Column 79: Sum over 2^i using those i, for which the corresponding L2Fit data quality parameter exceeds the DQ2 limit (same parameters as for DQ1) Column 80: L1 data quality flag: 0=assured high quality, 1=assured medium quality, 2=assured low quality, 10=not-assured high quality, 11=not-assured medium quality, 12=not-assured low quality Column 81: Sum over 2^i using those i, for which the corresponding L1 data quality parameter exceeds the DQ1 limit, 0=Saturated data, 1=Too few dark counts measurements, 2=No temperature given or effective temperature too different from the reference temperature, 3=Dark count too high, 4=Unsuccessful dark background fitting, 5=The dark count differs significantly from the dark map for too many pixels, 6=Absolute value of estimated average residual stray light level too high, 7=Although attempted, no wavelength change could be retrieved, 8=Absolute value of retrieved wavelength shift too large, 9=Retrieved wavelength shift differs too much from the shift predicted by the effective temperature Column 82: Sum over 2^i using those i, for which the corresponding L1 data quality parameter exceeds the DQ2 limit (same parameters as for DQ1) Column 83: Atmospheric variability [%], 999=no atmospheric variability was determined Column 84: Wavelength effective temperature [°C], 999=no effective temperature given Column 85: Estimated average residual stray light level [%] (only valid for stray light correction methods 2 and higher) Column 86: Retrieved wavelength shift from L1 data [nm], -9=no wavelength change determination Column 87: Retrieved total wavelength shift [nm], -9=no wavelength change fitting Column 88: Number of bright count cycles Column 89: Number of dark count cycles Column 90: Effective position of filterwheel #1, 0=filterwheel not used, 1-9 are valid positions Column 91: Effective position of filterwheel #2, 0=filterwheel not used, 1-9 are valid positions Column 92: Sum over 2^i, 0=spectra were interpolated in time, 1=spectra are corrected for off-target signal Column 93: Integration time [ms] Column 94: Temperature at electronics board [°C], 999=no temperature signal Column 95: Spectrometer control temperature [°C], 999=no temperature signal Column 96: Auxiliary spectrometer temperature [°C], 999=no temperature signal Column 97: Temperature in head sensor [°C], 999=no temperature signal Column 98: Humidity in head sensor [%], -9=no humidity signal Column 99: Pressure in head sensor [hPa], -9=no pressure signal Columns 100-241: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 242-383: Normalized slant column residuals weighted with independent instrumental uncertainty for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting, 0=no independent instrumental uncertainty was given --------------------------------------------------------------------------------------- SS 20220120T210922.7Z 8055.881513 563 1 50.80 2 81.79 235.05 121.11 28.36 0.00 1 0.00 1 0 25 5.426e-01 2.158e-02 3.830e-01 1.146e-02 8.607186e-01 6.505812e-03 9.660343e-03 -6.000000e+00 3.005139e-01 224.02 -2.00 3.49 -2.00 322.13 0.00e+00 -2.080162e-03 3.601597e-03 4.953124e-03 -6.000000e+00 1.358708e-02 275.93 -2.00 20.00 -2.00 321.71 0.00e+00 6.573 0.005 302.00 328.00 3 8.4922e-01 2.4504e-02 8.3562e-02 -6.0000e+00 7.4229e-01 6.4561e-01 3.5506e-02 5.6463e-02 -6.0000e+00 8.0898e-01 -9.4946e-01 3.6251e-02 3.0889e-02 -6.0000e+00 4.8191e-01 3.9924e-01 1.6727e-02 9.6967e-03 -6.0000e+00 2.1078e-01 1.3932e-04 -1.9812e-03 3.1588e-04 1.6023e-04 -6.0000e+00 1.4326e-02 1.1927e-02 -3.4421e-05 12 9 8 11 8 0 99.78 21.16 0.32 0.01193 -0.00296 55 10 1 5 0 923.576 26.62 19.99 21.16 5.72 14.3 942.51 -140796 900000 -62075 900000 -19480 -197928 -242801 -84370 -216328 -155338 -119302 -74235 -18927 -58692 -50547 137631 16421 -50194 -70098 -3561 900000 40330 900000 -63910 213794 -85824 33231 -30928 6559 -65002 13561 -16215 94196 -8319 69712 -7936 900000 -8372 20716 45812 71978 76547 67647 25322 33242 79322 11886 26793 13727 46785 18337 66463 22436 68099 26332 56355 26224 34868 13741 31082 -8349 30797 7853 15605 8723 23040 14613 11688 2630 20560 10754 10795 17317 3404 18495 -2018 -46 -5853 6296 -4749 6579 -625 4474 1519 1704 -1780 984 -1594 2274 -1151 1029 -4237 247 -5389 -4548 -3103 -2624 -283 -1938 -1289 -1857 -260 -1080 -468 -4674 -735 -2999 -1375 -1053 662 -846 604 -788 -440 -703 -344 -1856 -385 -623 719 1301 2563 2032 2697 1555 17 1980 921 1192 537 693 -126 222 -955 823 274 348 587 314 -895 -569 -2601 -2095 900000 -693 900000 -217 -4234 -8808 -942 -7445 -3034 -1664 -829 -211 -893 -872 1536 183 -1171 -2063 -54 900000 450 900000 -1945 2386 -3570 405 -659 93 -2111 248 -477 1051 -262 920 -225 900000 -323 736 1488 1972 2097 2059 1156 1383 2093 627 1278 794 2136 1265 3170 1821 3800 2351 3888 2475 2901 1325 2428 -1008 2844 1060 2201 1354 3039 2150 1909 544 4068 2510 2541 3620 743 3059 -369 -8 -1200 1373 -1402 2043 -239 1752 649 775 -883 493 -825 1103 -543 444 -1853 106 -2734 -2713 -2163 -2135 -258 -1885 -1198 -1562 -189 -746 -342 -3823 -607 -2717 -1352 -1188 849 -1225 901 -1189 -638 -977 -471 -2691 -583 -991 1119 1911 3526 2732 3492 1976 21 2451 1322 2008 1033 1455 -285 535 -2501 2252 771 988 1664 858 -2294 -1336 -5848