File name: Pandora249s1_ChicagoIL_20240509_L2Fit_fout2c3d20230501p1-8.txt File generation date: 20240912T092635.6Z Data description: Level 2 spectral fitting results file Data file version: fout2c3p1-8 Local principal investigator: John Randazzo Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 249 Spectrometer number: 1 Processing software version used: BlickP v1.8.59 Instrument operation file used: Pandora249_OF_v2d20221026.txt Instrument calibration file used: Pandora249s1_CF_v3d20230501.txt Level 1 file used: Pandora249s1_ChicagoIL_20240509_L1_smca1c3d20230501p1-8.txt Full location name: North Park University Chicago Short location name: ChicagoIL Country of location: United States Location latitude [deg]: 41.9748 Location longitude [deg]: -87.7120 Location altitude [m]: 200 Local noon date: 20240509 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: based on session 2"OoB session" for fieldcal First and last pixel inside fitting window: 192 334 Nominal wavelengths inside fitting window [nm]: 305.0034 305.1444 305.2853 305.4262 305.5671 305.7080 305.8489 305.9897 306.1306 306.2714 306.4122 306.5531 306.6939 306.8346 306.9754 307.1162 307.2569 307.3977 307.5384 307.6791 307.8198 307.9605 308.1012 308.2418 308.3825 308.5231 308.6637 308.8044 308.9450 309.0855 309.2261 309.3667 309.5072 309.6478 309.7883 309.9288 310.0693 310.2098 310.3503 310.4908 310.6312 310.7716 310.9121 311.0525 311.1929 311.3333 311.4737 311.6140 311.7544 311.8947 312.0351 312.1754 312.3157 312.4560 312.5962 312.7365 312.8768 313.0170 313.1572 313.2975 313.4377 313.5778 313.7180 313.8582 313.9984 314.1385 314.2786 314.4187 314.5589 314.6989 314.8390 314.9791 315.1192 315.2592 315.3992 315.5393 315.6793 315.8193 315.9592 316.0992 316.2392 316.3791 316.5190 316.6590 316.7989 316.9388 317.0787 317.2185 317.3584 317.4982 317.6381 317.7779 317.9177 318.0575 318.1973 318.3371 318.4768 318.6166 318.7563 318.8960 319.0358 319.1755 319.3151 319.4548 319.5945 319.7341 319.8738 320.0134 320.1530 320.2926 320.4322 320.5718 320.7113 320.8509 320.9904 321.1300 321.2695 321.4090 321.5485 321.6880 321.8274 321.9669 322.1063 322.2457 322.3852 322.5246 322.6640 322.8033 322.9427 323.0821 323.2214 323.3607 323.5001 323.6394 323.7787 323.9179 324.0572 324.1965 324.3357 324.4750 324.6142 324.7534 324.8926 --------------------------------------------------------------------------------------- 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 20240509T154644.7Z 8895.657462 206 1 2.46 2 35.40 124.30 44.69 94.58 0.00 1 0.00 1 0 17 6.293e-03 5.428e-03 1.938e-03 1.374e-03 2.037570e-01 7.448235e-04 2.507056e-03 -6.000000e+00 3.822663e-03 230.52 -2.00 3.53 -2.00 314.82 0.00e+00 1.610674e-04 6.117613e-05 2.202096e-05 -6.000000e+00 1.664142e-04 281.37 -2.00 20.00 -2.00 314.25 0.00e+00 1.226 0.000 302.00 328.00 3 2.9624e+00 1.9145e-03 1.6177e-02 -6.0000e+00 9.5570e-03 1.8944e-02 2.1138e-03 1.0618e-02 -6.0000e+00 1.0318e-02 -4.2483e-04 1.2093e-03 5.2006e-03 -6.0000e+00 6.1285e-03 -1.1227e-03 5.2736e-04 1.4479e-03 -6.0000e+00 2.5907e-03 6.4813e-03 4.1016e-07 4.2434e-05 2.1811e-05 -6.0000e+00 1.9308e-04 -9.1550e-03 0.0000e+00 12 1 1 12 1 1 96.99 25.53 0.34 -0.00916 -0.00915 14 34 1 5 0 163.730 32.50 20.00 25.53 20.51 9.5 938.22 900000 -1062 -1535 -1385 -1295 -501 501 -446 955 95 -721 -464 335 -218 -164 -318 532 874 339 753 605 804 621 427 405 338 452 -321 377 727 805 1035 460 79 -775 -908 -903 -910 -302 -553 -871 -1055 -1046 -867 -554 -726 -409 -769 -294 -152 336 643 917 397 689 856 1227 888 506 635 699 1495 1229 1005 321 -272 58 -104 253 452 36 27 -296 15 -199 -132 -257 228 -8 -420 -784 -886 -1504 -1137 -947 -800 -624 -214 -66 -173 76 195 109 723 857 678 764 311 -69 -139 -394 -494 -70 176 -333 -576 -610 -583 -153 29 42 -110 -218 -1 15 372 347 613 361 45 -317 -7 -262 84 397 590 794 1166 859 528 277 111 38 58 90 -14 -73 -38 -327 -243 -255 -590 -512 900000 -369 -556 -486 -442 -157 165 -150 351 35 -275 -177 134 -92 -73 -148 259 438 176 381 313 418 324 230 229 189 254 -184 201 385 427 549 261 45 -450 -509 -524 -566 -201 -398 -677 -842 -862 -723 -461 -601 -332 -607 -232 -118 265 514 772 340 608 745 1080 787 446 553 617 1374 1175 988 313 -262 53 -93 229 431 35 28 -310 15 -200 -130 -234 198 -7 -378 -761 -892 -1597 -1234 -1056 -927 -746 -258 -81 -213 90 219 118 752 894 735 860 377 -85 -174 -489 -588 -80 200 -392 -706 -766 -747 -203 40 59 -153 -305 -2 19 460 426 746 454 59 -427 -9 -349 111 509 734 963 1411 1043 663 357 149 51 79 125 -20 -106 -57 -484 -356 -372 -856 -722 SS 20240509T155625.7Z 8895.664186 212 1 54.41 2 33.94 127.44 42.94 96.28 0.00 1 0.00 1 0 17 3.425e-02 1.439e-02 1.003e-02 4.365e-03 2.162168e-01 2.318875e-03 2.685330e-03 -6.000000e+00 2.079509e-02 230.52 -2.00 3.53 -2.00 316.66 0.00e+00 3.801449e-05 2.799434e-04 4.295281e-05 -6.000000e+00 9.057365e-04 281.37 -2.00 20.00 -2.00 315.97 0.00e+00 1.205 0.000 302.00 328.00 3 7.4997e+00 6.0771e-03 1.6615e-02 -6.0000e+00 5.1988e-02 5.1411e-02 6.7645e-03 1.1449e-02 -6.0000e+00 5.6139e-02 -1.3700e-02 3.9379e-03 5.6055e-03 -6.0000e+00 3.3343e-02 5.9657e-03 1.8413e-03 1.5510e-03 -6.0000e+00 1.4087e-02 6.8283e-05 -5.0589e-04 1.3795e-04 2.1150e-05 -6.0000e+00 1.0510e-03 -5.7044e-03 0.0000e+00 12 9 8 11 8 0 99.99 25.56 -0.21 -0.00570 -0.00951 15 2 2 5 0 3627.170 32.75 20.00 25.56 20.74 9.6 941.31 900000 1000 -11015 2243 -7649 13585 -10808 -8336 967 3288 7149 -10598 2754 9928 2669 1118 -2293 8579 944 11185 6914 -2734 -5105 -3113 1235 -9040 1433 3999 446 7291 2432 2117 -2418 -1764 -922 -1286 -3317 -2197 -2185 -2203 1880 -4226 357 1858 1689 -1753 -1024 -2778 774 -1581 2087 4861 480 251 -107 4283 -952 2329 781 1221 -1739 2641 2943 -617 1276 158 -441 -315 -1493 -898 259 -582 3253 -885 -322 1394 -1469 -2051 -5838 -2116 -1918 -2597 -1986 -585 1056 224 834 689 1137 518 -315 -73 -449 175 297 -1106 17 613 1648 99 -886 -1678 404 -1631 724 -120 -411 326 230 -226 -3 2100 -149 -504 -351 -1096 1236 988 -722 127 -959 -701 151 -112 143 895 1151 761 -261 -31 -3 -324 2690 2006 -1324 -29 -370 -659 -368 270 -904 -36 51 900000 174 -2246 389 -1338 1775 -1799 -1462 171 606 1287 -2287 550 2049 664 311 -697 2410 295 3242 2137 -933 -1792 -1105 440 -3698 531 1391 150 2185 768 707 -897 -675 -342 -462 -1255 -924 -1081 -1272 1164 -2688 224 1164 1059 -1129 -708 -1898 496 -1022 1327 3167 345 189 -76 3287 -710 1687 567 961 -1299 1982 2360 -544 1123 134 -347 -258 -1255 -744 234 -564 3090 -859 -295 1262 -1234 -1602 -4692 -1761 -1774 -2427 -1991 -611 1149 263 1031 888 1477 664 -384 -82 -459 167 284 -1147 19 756 2157 134 -1160 -2064 458 -1870 857 -153 -551 454 334 -348 -5 3106 -221 -772 -495 -1442 1535 1254 -984 183 -1460 -1074 225 -162 196 1154 1407 910 -324 -41 -4 -465 3813 2937 -2096 -47 -635 -1063 -599 472 -1554 -59 82 SS 20240509T161635.9Z 8895.678194 221 1 53.67 2 31.11 134.67 39.30 100.07 0.00 1 0.00 1 0 17 1.965e-02 1.000e-02 6.069e-03 2.938e-03 2.188776e-01 1.563996e-03 2.673067e-03 -6.000000e+00 1.193393e-02 230.52 -2.00 3.53 -2.00 316.25 0.00e+00 5.789868e-04 1.733439e-04 3.654715e-05 -6.000000e+00 5.195937e-04 281.37 -2.00 20.00 -2.00 315.59 0.00e+00 1.167 0.000 302.00 328.00 3 6.9835e+00 4.0812e-03 1.6381e-02 -6.0000e+00 2.9836e-02 8.5751e-02 4.5397e-03 1.1461e-02 -6.0000e+00 3.2214e-02 -2.0816e-02 2.6184e-03 5.6045e-03 -6.0000e+00 1.9133e-02 4.8679e-03 1.2073e-03 1.5937e-03 -6.0000e+00 8.0869e-03 1.1641e-04 -3.2506e-04 9.1945e-05 2.1702e-05 -6.0000e+00 6.0286e-04 -8.2552e-03 0.0000e+00 12 9 8 11 8 0 99.88 25.66 0.19 -0.00826 -0.01070 18 2 1 5 0 2981.430 32.75 20.00 25.66 21.44 9.5 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267 949 111 -961 -876 -760 218 177 35 2042 -706 -395 811 -1177 -1224 -3690 -1756 -1282 -2420 -1913 -587 265 280 631 1120 1446 746 -119 -124 1 -271 -440 -238 -362 647 1823 249 -800 -1323 87 -1169 -29 -1019 -1245 -64 361 712 503 2331 -241 -49 -279 -614 66 157 -551 -359 -277 -266 328 420 495 1253 782 412 -319 -50 232 -647 1197 1851 -220 108 20 -700 -793 -41 -653 -828 89