File name: Pandora183s1_LondonderryNH_20210712_L2Fit_fout2c1d20210421p1-8.txt File generation date: 20251125T164308.3Z Data description: Level 2 spectral fitting results file Data file version: fout2c1p1-8 Local principal investigator: Lukas Valin Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 183 Spectrometer number: 1 Processing software version used: BlickP v1.8.75 Instrument operation file used: Pandora183_OF_v1d20201222.txt Instrument calibration file used: Pandora183s1_CF_v1d20210421.txt Level 1 file used: Pandora183s1_LondonderryNH_20210712_L1_smca1c1d20210421p1-8.txt Full location name: MOOSEHILL SCHOOL - Londonderry NH Short location name: LondonderryNH Country of location: United States Location latitude [deg]: 42.8625 Location longitude [deg]: -71.3801 Location altitude [m]: 108 Local noon date: 20210712 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: 197 339 Nominal wavelengths inside fitting window [nm]: 305.0158 305.1571 305.2983 305.4395 305.5807 305.7219 305.8631 306.0043 306.1454 306.2866 306.4277 306.5689 306.7100 306.8511 306.9922 307.1333 307.2743 307.4154 307.5565 307.6975 307.8385 307.9796 308.1206 308.2616 308.4026 308.5435 308.6845 308.8255 308.9664 309.1073 309.2483 309.3892 309.5301 309.6710 309.8119 309.9527 310.0936 310.2344 310.3753 310.5161 310.6569 310.7977 310.9385 311.0793 311.2201 311.3608 311.5016 311.6423 311.7830 311.9237 312.0645 312.2051 312.3458 312.4865 312.6272 312.7678 312.9084 313.0491 313.1897 313.3303 313.4709 313.6115 313.7520 313.8926 314.0332 314.1737 314.3142 314.4547 314.5952 314.7357 314.8762 315.0167 315.1571 315.2976 315.4380 315.5785 315.7189 315.8593 315.9997 316.1401 316.2804 316.4208 316.5611 316.7015 316.8418 316.9821 317.1224 317.2627 317.4030 317.5433 317.6835 317.8238 317.9640 318.1042 318.2444 318.3846 318.5248 318.6650 318.8052 318.9453 319.0855 319.2256 319.3657 319.5058 319.6459 319.7860 319.9261 320.0662 320.2062 320.3463 320.4863 320.6263 320.7663 320.9063 321.0463 321.1863 321.3262 321.4662 321.6061 321.7461 321.8860 322.0259 322.1658 322.3057 322.4455 322.5854 322.7252 322.8651 323.0049 323.1447 323.2845 323.4243 323.5641 323.7039 323.8436 323.9834 324.1231 324.2628 324.4025 324.5422 324.6819 324.8216 324.9612 --------------------------------------------------------------------------------------- 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 --------------------------------------------------------------------------------------- SS 20210712T232910.5Z 7863.978594 570 1 29.03 2 81.90 292.34 59.01 265.22 0.00 1 0.00 1 0 25 4.932e-01 3.201e-02 4.281e-01 2.646e-02 7.611991e-01 1.532669e-02 8.739262e-03 -6.000000e+00 2.903319e-01 233.01 -2.00 3.55 -2.00 321.95 0.00e+00 8.768402e-03 8.507128e-03 1.925211e-03 -6.000000e+00 1.367296e-02 287.54 -2.00 20.00 -2.00 321.40 0.00e+00 6.639 0.005 302.00 328.00 3 2.0519e+00 5.8700e-02 7.7845e-02 -6.0000e+00 7.3157e-01 9.1777e-01 7.4666e-02 4.2109e-02 -6.0000e+00 7.9370e-01 -1.1486e+00 5.7617e-02 2.1478e-02 -6.0000e+00 4.7361e-01 4.4953e-01 2.7408e-02 9.8703e-03 -6.0000e+00 1.9993e-01 3.9901e-05 -1.3295e-03 7.6910e-04 1.4622e-04 -6.0000e+00 1.3404e-02 4.4689e-03 -2.3779e-05 12 8 8 10 0 0 99.69 23.18 0.44 0.00447 -0.00552 11 11 1 5 0 2637.720 26.83 20.00 23.18 27.86 6.6 996.41 84357 900000 -106017 136085 900000 -65292 -94152 -123030 -89495 -81834 -84806 900000 -142256 900000 900000 900000 268098 900000 900000 -57442 -345 -82428 105010 900000 -20967 11063 25339 51254 -9760 900000 900000 28833 17527 42484 -14928 10001 93891 -19475 99801 114912 50459 60243 22700 41979 900000 26847 -4478 16875 3604 28388 17422 17983 72393 39812 -11883 150865 49258 18268 75200 86702 16387 9464 22236 14329 22462 11006 25870 4617 12002 10009 -5032 6346 25875 14605 8454 15403 2374 14192 -9673 -4942 6893 7328 963 -8789 -1755 2287 13919 -3407 4221 -3229 5809 -8758 -12876 -2866 -302 4701 -6141 -1218 -2716 -3504 -1166 -599 393 -2768 -7142 -4175 -546 584 4096 -1424 -2870 1850 -93 -642 852 644 -6336 -2746 1173 837 2072 5716 2209 2463 616 -397 -1409 2009 -179 3004 -1148 1946 175 1804 -989 -636 663 1070 806 -1110 -213 -2012 -1682 2171 900000 -5038 3503 900000 -1681 -2610 -5014 -2688 -2282 -2365 900000 -8850 900000 900000 900000 6901 900000 900000 -3573 -12 -6012 2703 900000 -810 309 652 1319 -293 900000 900000 945 738 1491 -873 421 2417 -1276 2569 2958 2480 2820 1594 2456 900000 1822 -419 1303 329 2126 1590 1810 4574 3727 -1947 4943 4496 2223 4927 4869 1879 1262 2966 2347 3627 1957 3875 875 2303 2248 -1449 1693 5571 3281 2002 3013 489 2630 -2565 -1501 2200 2678 414 -4412 -872 1160 6593 -1973 2260 -1796 2751 -4486 -6629 -1387 -162 2820 -4822 -1057 -2643 -3473 -1060 -484 284 -2059 -5975 -3600 -480 548 4122 -1726 -3974 2623 -137 -925 1151 842 -9003 -3965 1733 1289 3104 7901 3042 3278 805 -507 -1767 2576 -269 5018 -2217 3912 379 4116 -2490 -1677 1758 2866 2153 -2880 -512 -4578 -3689