File name: Pandora84s1_Rotterdam-Haven_20240526_L2Fit_fnvh3c2d20240321p1-8.txt File generation date: 20250426T150652.4Z Data description: Level 2 spectral fitting results file Data file version: fnvh3c2p1-8 Local principal investigator: Alexander Cede Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 84 Spectrometer number: 1 Processing software version used: BlickP v1.8.75 Instrument operation file used: Pandora84_OF_v3d20231130.txt Instrument calibration file used: Pandora84s1_CF_v2d20240321.txt Level 1 file used: Pandora84s1_Rotterdam-Haven_20240526_L1_smca1c2d20240321p1-8.txt Full location name: De Slufter Visitor Centre Short location name: Rotterdam-Haven Country of location: Netherlands Location latitude [deg]: 51.9335 Location longitude [deg]: 3.9998 Location altitude [m]: 0 Local noon date: 20240526 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 session 1 lab analysis First and last pixel inside fitting window: 1160 1599 Nominal wavelengths inside fitting window [nm]: 435.0849 435.2133 435.3417 435.4700 435.5983 435.7266 435.8549 435.9832 436.1114 436.2397 436.3679 436.4961 436.6243 436.7525 436.8806 437.0088 437.1369 437.2650 437.3932 437.5212 437.6493 437.7774 437.9054 438.0334 438.1615 438.2895 438.4174 438.5454 438.6734 438.8013 438.9292 439.0571 439.1850 439.3129 439.4408 439.5686 439.6964 439.8243 439.9521 440.0798 440.2076 440.3354 440.4631 440.5908 440.7185 440.8462 440.9739 441.1016 441.2292 441.3569 441.4845 441.6121 441.7397 441.8672 441.9948 442.1223 442.2499 442.3774 442.5049 442.6324 442.7598 442.8873 443.0147 443.1421 443.2695 443.3969 443.5243 443.6516 443.7790 443.9063 444.0336 444.1609 444.2882 444.4155 444.5427 444.6699 444.7972 444.9244 445.0516 445.1787 445.3059 445.4330 445.5602 445.6873 445.8144 445.9414 446.0685 446.1956 446.3226 446.4496 446.5766 446.7036 446.8306 446.9575 447.0845 447.2114 447.3383 447.4652 447.5921 447.7190 447.8458 447.9726 448.0995 448.2263 448.3531 448.4798 448.6066 448.7333 448.8600 448.9868 449.1135 449.2401 449.3668 449.4934 449.6201 449.7467 449.8733 449.9999 450.1265 450.2530 450.3795 450.5061 450.6326 450.7591 450.8855 451.0120 451.1385 451.2649 451.3913 451.5177 451.6441 451.7705 451.8968 452.0231 452.1495 452.2758 452.4021 452.5283 452.6546 452.7808 452.9071 453.0333 453.1595 453.2857 453.4118 453.5380 453.6641 453.7902 453.9163 454.0424 454.1685 454.2946 454.4206 454.5466 454.6726 454.7986 454.9246 455.0506 455.1765 455.3025 455.4284 455.5543 455.6802 455.8060 455.9319 456.0577 456.1835 456.3093 456.4351 456.5609 456.6867 456.8124 456.9381 457.0639 457.1896 457.3152 457.4409 457.5666 457.6922 457.8178 457.9434 458.0690 458.1946 458.3201 458.4457 458.5712 458.6967 458.8222 458.9477 459.0731 459.1986 459.3240 459.4494 459.5748 459.7002 459.8256 459.9509 460.0762 460.2016 460.3269 460.4522 460.5774 460.7027 460.8279 460.9532 461.0784 461.2036 461.3287 461.4539 461.5790 461.7042 461.8293 461.9544 462.0795 462.2045 462.3296 462.4546 462.5796 462.7046 462.8296 462.9546 463.0796 463.2045 463.3294 463.4543 463.5792 463.7041 463.8290 463.9538 464.0786 464.2035 464.3282 464.4530 464.5778 464.7025 464.8273 464.9520 465.0767 465.2014 465.3261 465.4507 465.5754 465.7000 465.8246 465.9492 466.0737 466.1983 466.3228 466.4474 466.5719 466.6964 466.8209 466.9453 467.0698 467.1942 467.3186 467.4430 467.5674 467.6918 467.8161 467.9405 468.0648 468.1891 468.3134 468.4376 468.5619 468.6861 468.8104 468.9346 469.0588 469.1829 469.3071 469.4313 469.5554 469.6795 469.8036 469.9277 470.0517 470.1758 470.2998 470.4238 470.5478 470.6718 470.7958 470.9197 471.0437 471.1676 471.2915 471.4154 471.5393 471.6631 471.7870 471.9108 472.0346 472.1584 472.2822 472.4059 472.5297 472.6534 472.7771 472.9008 473.0245 473.1481 473.2718 473.3954 473.5190 473.6426 473.7662 473.8898 474.0133 474.1369 474.2604 474.3839 474.5074 474.6308 474.7543 474.8777 475.0012 475.1246 475.2480 475.3713 475.4947 475.6180 475.7414 475.8647 475.9880 476.1112 476.2345 476.3577 476.4810 476.6042 476.7274 476.8506 476.9737 477.0969 477.2200 477.3431 477.4662 477.5893 477.7124 477.8354 477.9585 478.0815 478.2045 478.3275 478.4504 478.5734 478.6963 478.8192 478.9421 479.0650 479.1879 479.3108 479.4336 479.5564 479.6792 479.8020 479.9248 480.0476 480.1703 480.2930 480.4157 480.5384 480.6611 480.7838 480.9064 481.0290 481.1517 481.2743 481.3968 481.5194 481.6419 481.7645 481.8870 482.0095 482.1320 482.2544 482.3769 482.4993 482.6217 482.7441 482.8665 482.9889 483.1112 483.2336 483.3559 483.4782 483.6005 483.7228 483.8450 483.9672 484.0895 484.2117 484.3339 484.4560 484.5782 484.7003 484.8225 484.9446 485.0667 485.1887 485.3108 485.4328 485.5549 485.6769 485.7989 485.9208 486.0428 486.1647 486.2867 486.4086 486.5305 486.6523 486.7742 486.8960 487.0179 487.1397 487.2615 487.3833 487.5050 487.6268 487.7485 487.8702 487.9919 488.1136 488.2353 488.3569 488.4785 488.6002 488.7218 488.8433 488.9649 489.0864 489.2080 489.3295 489.4510 489.5725 489.6939 489.8154 489.9368 --------------------------------------------------------------------------------------- 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: Water vapor slant column amount [moles per square meter], -9e99=fitting not successful Column 23: Independent uncertainty of water vapor 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 water vapor 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 water vapor 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 water vapor 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: Water vapor effective temperature [K] Column 28: Independent uncertainty of water vapor 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 water vapor 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 water vapor 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 water vapor fitting wavelength [nm], -9=fitting not successful Column 32: Diffuse correction applied before fitting at effective fitting wavelength for water vapor [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction Column 33: Nitrogen dioxide slant column amount [moles per square meter], -9e99=fitting not successful Column 34: 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 35: 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 36: 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 37: 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 38: Nitrogen dioxide effective temperature [K] Column 39: 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 40: 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 41: 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 42: Effective nitrogen dioxide fitting wavelength [nm], -9=fitting not successful Column 43: 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 44: Oxygen dimer slant column amount [moles squared per meter to the 5th], -9e99=fitting not successful Column 45: Independent uncertainty of oxygen dimer slant column amount [moles squared per meter to the 5th], -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 oxygen dimer slant column amount [moles squared per meter to the 5th], -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful Column 47: Common uncertainty of oxygen dimer slant column amount [moles squared per meter to the 5th], -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 oxygen dimer slant column amount [moles squared per meter to the 5th], -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: Oxygen dimer effective temperature [K] Column 50: Independent uncertainty of oxygen dimer 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 oxygen dimer 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 oxygen dimer 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 oxygen dimer fitting wavelength [nm], -9=fitting not successful Column 54: Diffuse correction applied before fitting at effective fitting wavelength for oxygen dimer [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction Column 55: Ozone slant column amount [moles per square meter], -9e99=fitting not successful Column 56: 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 57: 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 58: 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 59: 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 60: Ozone effective temperature [K] Column 61: 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 62: 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 63: 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 64: Effective ozone fitting wavelength [nm], -9=fitting not successful Column 65: 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 66: Fitted Ring spectrum, -9e99=no fitting done or fitting not successful Column 67: Independent uncertainty of fitted Ring spectrum, -9=fitting not successful Column 68: Structured uncertainty of fitted Ring spectrum, -9=fitting not successful Column 69: Common uncertainty of fitted Ring spectrum, -9=fitting not successful Column 70: rms-based uncertainty of fitted Ring spectrum, -9=fitting not successful Column 71: Effective Ring fitting wavelength [nm], -9=fitting not done or not successful Column 72: Diffuse correction applied before fitting at effective Ring fitting wavelength [%], 0=no diffuse correction applied, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction Column 73: Lower limit used for wavelength scaling [nm] Column 74: Upper limit used for wavelength scaling [nm] Column 75: Order of smoothing polynomial Column 76: Smoothing polynomial coefficient, order 0 Column 77: Independent uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 78: Structured uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 79: Common uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 80: rms-based uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 81: Smoothing polynomial coefficient, order 1 Column 82: Independent uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 83: Structured uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 84: Common uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 85: rms-based uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 86: Smoothing polynomial coefficient, order 2 Column 87: Independent uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful Column 88: Structured uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful Column 89: Common uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful Column 90: rms-based uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful Column 91: Smoothing polynomial coefficient, order 3 Column 92: Independent uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful Column 93: Structured uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful Column 94: Common uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful Column 95: rms-based uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful Column 96: Smoothing polynomial coefficient, order 4 Column 97: Independent uncertainty of smoothing polynomial coefficient, order 4, -9=fitting not successful Column 98: Structured uncertainty of smoothing polynomial coefficient, order 4, -9=fitting not successful Column 99: Common uncertainty of smoothing polynomial coefficient, order 4, -9=fitting not successful Column 100: rms-based uncertainty of smoothing polynomial coefficient, order 4, -9=fitting not successful Column 101: Mean value of measured data inside fitting window [same units as measurements] Column 102: Offset polynomial coefficient, order 0 Column 103: Independent uncertainty of offset polynomial coefficient, order 0, -9=fitting not successful Column 104: Structured uncertainty of offset polynomial coefficient, order 0, -9=fitting not successful Column 105: Common uncertainty of offset polynomial coefficient, order 0, -9=fitting not successful Column 106: rms-based uncertainty of offset polynomial coefficient, order 0, -9=fitting not successful Column 107: Offset polynomial coefficient, order 1 Column 108: Independent uncertainty of offset polynomial coefficient, order 1, -9=fitting not successful Column 109: Structured uncertainty of offset polynomial coefficient, order 1, -9=fitting not successful Column 110: Common uncertainty of offset polynomial coefficient, order 1, -9=fitting not successful Column 111: rms-based uncertainty of offset polynomial coefficient, order 1, -9=fitting not successful Column 112: Wavelength change polynomial coefficient, order 0 Column 113: Independent uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 114: Structured uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 115: Common uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 116: rms-based uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 117: Wavelength change polynomial coefficient, order 1 Column 118: Independent uncertainty of wavelength change polynomial coefficient, order 1, -9=fitting not successful Column 119: Structured uncertainty of wavelength change polynomial coefficient, order 1, -9=fitting not successful Column 120: Common uncertainty of wavelength change polynomial coefficient, order 1, -9=fitting not successful Column 121: rms-based uncertainty of wavelength change polynomial coefficient, order 1, -9=fitting not successful Column 122: L1 based wavelength change coefficient, order 0, -9=no L1 wavelength change determination Column 123: L1 based wavelength change coefficient, order 1, -9=no L1 wavelength change determination Column 124: 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 125: 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 126: 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 127: 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 128: 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 129: 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 130: Atmospheric variability [%], 999=no atmospheric variability was determined Column 131: Wavelength effective temperature [°C], 999=no effective temperature given Column 132: Estimated average residual stray light level [%] (only valid for stray light correction methods 2 and higher) Column 133: Retrieved wavelength shift from L1 data [nm], -9=no wavelength change determination Column 134: Retrieved total wavelength shift [nm], -9=no wavelength change fitting Column 135: Number of bright count cycles Column 136: Number of dark count cycles Column 137: Effective position of filterwheel #1, 0=filterwheel not used, 1-9 are valid positions Column 138: Effective position of filterwheel #2, 0=filterwheel not used, 1-9 are valid positions Column 139: Sum over 2^i, 0=spectra were interpolated in time, 1=spectra are corrected for off-target signal Column 140: Integration time [ms] Column 141: Temperature at electronics board [°C], 999=no temperature signal Column 142: Spectrometer control temperature [°C], 999=no temperature signal Column 143: Auxiliary spectrometer temperature [°C], 999=no temperature signal Column 144: Temperature in head sensor [°C], 999=no temperature signal Column 145: Humidity in head sensor [%], -9=no humidity signal Column 146: Pressure in head sensor [hPa], -9=no pressure signal Columns 147-586: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 587-1026: 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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