File name: Pandora118s1_Cabauw_20241110_L2Fit_fout2c7d20210820p1-8.txt File generation date: 20241111T003112.5Z Data description: Level 2 spectral fitting results file Data file version: fout2c7p1-8 Local principal investigator: Ankie Piters Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 118 Spectrometer number: 1 Processing software version used: BlickP v1.8.60 Instrument operation file used: Pandora118_OF_v3d20200505.txt Instrument calibration file used: Pandora118s1_CF_v7d20210820.txt Level 1 file used: Pandora118s1_Cabauw_20241110_L1_smca1c7d20210820p1-8.txt Full location name: Cabauw Short location name: Cabauw Country of location: Netherlands Location latitude [deg]: 51.9704 Location longitude [deg]: 4.9262 Location altitude [m]: 0 Local noon date: 20241110 Notes on s-number (L1 configuration): Corrections NOT applied although requested by the s-number are latency correction, radiometric temperature correction, matrix method stray light correction (replaced by simple method) Data caveats: newDate as OF is out there First and last pixel inside fitting window: 234 375 Nominal wavelengths inside fitting window [nm]: 305.0994 305.2405 305.3816 305.5226 305.6636 305.8047 305.9457 306.0867 306.2277 306.3686 306.5096 306.6506 306.7915 306.9324 307.0734 307.2143 307.3552 307.4961 307.6369 307.7778 307.9186 308.0595 308.2003 308.3411 308.4819 308.6227 308.7635 308.9043 309.0451 309.1858 309.3266 309.4673 309.6080 309.7487 309.8894 310.0301 310.1708 310.3114 310.4521 310.5927 310.7333 310.8739 311.0145 311.1551 311.2957 311.4363 311.5769 311.7174 311.8579 311.9985 312.1390 312.2795 312.4200 312.5604 312.7009 312.8414 312.9818 313.1222 313.2627 313.4031 313.5435 313.6839 313.8242 313.9646 314.1050 314.2453 314.3856 314.5259 314.6663 314.8065 314.9468 315.0871 315.2274 315.3676 315.5079 315.6481 315.7883 315.9285 316.0687 316.2089 316.3490 316.4892 316.6293 316.7695 316.9096 317.0497 317.1898 317.3299 317.4700 317.6101 317.7501 317.8902 318.0302 318.1702 318.3102 318.4502 318.5902 318.7302 318.8701 319.0101 319.1500 319.2900 319.4299 319.5698 319.7097 319.8496 319.9894 320.1293 320.2691 320.4090 320.5488 320.6886 320.8284 320.9682 321.1080 321.2477 321.3875 321.5272 321.6670 321.8067 321.9464 322.0861 322.2258 322.3654 322.5051 322.6448 322.7844 322.9240 323.0636 323.2032 323.3428 323.4824 323.6220 323.7615 323.9011 324.0406 324.1801 324.3197 324.4592 324.5986 324.7381 324.8776 --------------------------------------------------------------------------------------- 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 20241110T111701.1Z 9080.470151 193 1 49.37 2 69.34 178.15 114.67 79.57 0.00 1 0.00 1 0 17 3.645e-02 7.104e-03 1.632e-02 2.718e-03 3.481244e-01 1.342868e-03 4.623116e-03 -6.000000e+00 2.031884e-02 221.37 -2.00 3.84 -2.00 318.32 0.00e+00 8.407452e-04 2.526856e-04 1.401304e-04 -6.000000e+00 8.795523e-04 272.56 -2.00 20.00 -2.00 317.80 0.00e+00 2.806 0.000 302.00 328.00 3 4.4336e+00 3.5705e-03 3.3782e-02 -6.0000e+00 4.9962e-02 5.8647e-02 4.0597e-03 1.9256e-02 -6.0000e+00 5.4493e-02 -5.0060e-03 2.7907e-03 9.7264e-03 -6.0000e+00 3.2409e-02 -6.5116e-03 1.4852e-03 2.9642e-03 -6.0000e+00 1.4032e-02 2.5037e-04 -4.6869e-04 7.7121e-05 3.1849e-05 -6.0000e+00 9.7181e-04 1.9383e-02 0.0000e+00 11 8 0 10 0 0 99.94 20.96 0.06 0.01938 0.01586 40 9 1 5 0 1234.040 20.96 15.00 16.96 17.36 38.5 1033.14 -11026 -9142 -3868 -17471 23756 -324 14503 6896 2152 -4942 -6462 -963 4161 1222 -1885 3824 -1757 116 -1719 520 -5275 891 -2082 -1402 -6486 -6497 3118 -1067 4799 -6259 4495 703 -1503 811 -3746 411 -3301 1217 -615 -1256 -1882 -253 509 -848 5286 424 -33 -871 271 235 842 2863 442 311 146 460 1292 -27 1142 1082 504 1328 1613 941 -601 -419 -1608 330 350 88 722 259 582 -250 1106 491 -565 -471 -464 -912 -840 -1638 -2116 -1537 -722 -258 -181 19 352 20 528 -3 799 564 755 1026 1276 370 -108 -651 -92 -99 -390 -1023 -1207 -502 -937 -724 205 72 19 -98 5 -144 683 340 14 366 -76 -366 16 154 82 997 290 509 1090 1032 282 -127 186 75 310 -103 -118 -247 380 -19 -602 -337 -530 -14 -632 -556 -226 -1066 909 -16 669 382 137 -347 -463 -72 344 121 -222 467 -238 16 -257 79 -846 135 -342 -244 -1239 -1285 555 -185 763 -1156 826 147 -348 183 -827 90 -841 349 -212 -492 -789 -109 223 -378 2241 188 -15 -383 119 107 409 1456 242 178 86 276 777 -16 667 636 312 880 1152 706 -444 -291 -1094 225 261 72 623 228 501 -207 840 343 -376 -316 -341 -748 -754 -1592 -2150 -1622 -800 -297 -215 23 418 23 560 -3 762 551 796 1176 1586 496 -148 -862 -114 -116 -450 -1251 -1555 -664 -1288 -1034 304 112 31 -158 7 -213 954 466 20 532 -117 -575 24 237 123 1433 407 688 1443 1427 417 -198 298 122 516 -179 -213 -456 708 -36 -1126 -615 -940 -23 SS 20241110T113329.8Z 9080.481595 205 1 48.85 2 69.35 182.35 112.21 82.82 0.00 1 0.00 1 0 25 4.025e-02 8.569e-03 1.764e-02 3.156e-03 3.531987e-01 1.561631e-03 4.712383e-03 -6.000000e+00 2.243731e-02 221.37 -2.00 3.84 -2.00 318.22 0.00e+00 2.459659e-04 2.856602e-04 1.234743e-04 -6.000000e+00 9.712850e-04 272.56 -2.00 20.00 -2.00 317.70 0.00e+00 2.808 0.000 302.00 328.00 3 4.7647e+00 4.1445e-03 3.3972e-02 -6.0000e+00 5.5170e-02 7.6181e-02 4.7076e-03 1.9524e-02 -6.0000e+00 6.0176e-02 -1.7491e-02 3.1896e-03 9.8684e-03 -6.0000e+00 3.5789e-02 -7.3844e-04 1.6911e-03 2.9102e-03 -6.0000e+00 1.5494e-02 1.7733e-04 -7.8735e-04 8.9276e-05 3.1963e-05 -6.0000e+00 1.0732e-03 1.9816e-02 0.0000e+00 11 8 0 10 0 0 99.96 20.96 0.21 0.01982 0.01390 21 5 1 5 0 2325.710 20.96 15.00 17.00 18.07 38.5 1037.30 -22193 -9449 -8573 -17769 17127 -6931 5165 998 8273 1248 -7473 -508 4332 -19 -672 1034 -3321 2347 -2104 4505 -6529 -499 -778 -4349 -6783 -9399 10224 -1212 7318 -9735 6158 -1228 -2499 3567 -807 -628 -3988 936 -852 -3330 -268 -33 1026 -1069 6035 621 115 -834 -186 2618 1924 4691 788 332 -153 -73 2060 347 1483 1025 565 780 737 717 -192 -218 -1497 825 -76 -124 -24 -228 826 82 865 247 -441 -602 -662 -1061 -1130 -1637 -1747 -1494 -921 -568 -54 -389 183 4 244 -492 756 1146 709 1229 1410 116 -143 -528 -383 64 -370 -575 -1846 10 -330 -440 286 122 -161 -122 471 -406 366 521 -132 442 55 -753 -277 120 166 1585 226 405 1508 811 209 -355 7 204 589 -342 190 -267 484 -94 -627 -223 -527 -360 -1480 -605 -550 -1136 724 -371 271 61 524 87 -570 -40 376 -2 -82 136 -478 338 -330 687 -1108 -80 -132 -814 -1366 -2006 1792 -221 1187 -1933 1161 -271 -607 814 -180 -144 -1059 279 -305 -1375 -115 -15 461 -492 2619 282 52 -378 -84 1197 949 2405 440 195 -92 -45 1263 212 884 617 356 529 538 547 -144 -154 -1037 569 -58 -104 -21 -204 719 69 669 176 -299 -411 -493 -881 -1028 -1603 -1781 -1584 -1027 -659 -64 -470 218 4 261 -499 729 1124 752 1410 1756 156 -195 -700 -480 75 -428 -700 -2389 14 -451 -624 424 191 -259 -195 729 -601 512 714 -185 641 84 -1182 -432 183 248 2263 316 547 1987 1119 308 -550 11 331 972 -589 339 -487 893 -176 -1164 -401 -925 -618