File name: Pandora249s1_ChicagoIL_20241114_L2Fit_fout2c3d20230501p1-8.txt File generation date: 20241115T054249.7Z 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 v1.8.60 Instrument operation file used: Pandora249_OF_v2d20221026.txt Instrument calibration file used: Pandora249s1_CF_v3d20230501.txt Level 1 file used: Pandora249s1_ChicagoIL_20241114_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: 20241114 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 20241114T165705.8Z 9084.706317 380 1 54.44 2 61.10 169.61 122.37 8.80 0.00 1 0.00 1 0 17 1.185e-02 5.372e-03 3.989e-03 1.413e-03 2.689786e-01 7.334088e-04 3.327810e-03 -6.000000e+00 7.003172e-03 222.93 -2.00 3.53 -2.00 317.02 0.00e+00 2.004770e-04 1.000667e-04 6.968900e-05 -6.000000e+00 3.096864e-04 278.49 -2.00 20.00 -2.00 316.40 0.00e+00 2.059 0.000 302.00 328.00 3 4.9615e+00 1.9042e-03 2.4264e-02 -6.0000e+00 1.7220e-02 4.6070e-02 2.1364e-03 1.3722e-02 -6.0000e+00 1.8693e-02 -8.2115e-03 1.2763e-03 6.8623e-03 -6.0000e+00 1.1150e-02 2.7487e-03 6.2625e-04 1.9940e-03 -6.0000e+00 4.7828e-03 3.5599e-04 -3.0061e-04 4.4207e-05 2.6518e-05 -6.0000e+00 3.6268e-04 -1.6740e-02 0.0000e+00 10 0 0 10 0 0 100.00 25.26 0.40 -0.01674 -0.01900 216 22 1 5 0 251.980 32.50 20.00 25.26 19.05 9.5 923.65 900000 -2668 -3729 -2803 -4232 -4018 -4359 -3954 1783 182 -1798 -3244 -1168 -1040 -1176 -113 -271 855 2424 -480 1887 1038 -1260 51 485 -1731 1571 447 -599 -167 2453 1191 -422 -1416 283 -1979 -1149 -383 175 147 -70 -1266 -258 -494 -484 -67 -213 -1053 -103 -32 654 1399 1361 705 789 928 863 1097 351 325 552 1132 1396 1005 159 196 74 136 241 157 136 30 55 -310 -279 -427 -646 -303 -1409 -838 -1096 -1224 -1695 -1245 -456 -457 -650 -115 -71 53 435 320 110 738 1018 277 353 543 486 -123 53 -388 -336 -93 -342 -537 -651 -335 -325 236 232 -131 245 -116 -179 -84 429 171 28 137 -528 -188 -202 155 659 386 858 752 814 580 378 -44 201 297 -156 66 -13 2 -433 -332 -240 -282 -458 900000 -338 -503 -369 -522 -458 -498 -487 231 26 -267 -498 -188 -189 -245 -26 -67 219 636 -134 528 295 -370 15 153 -530 472 145 -185 -49 718 378 -147 -476 102 -702 -417 -141 76 74 -40 -722 -151 -296 -291 -40 -126 -615 -59 -18 377 850 881 484 565 681 646 824 262 240 412 882 1169 835 138 164 62 110 197 129 125 29 55 -304 -259 -364 -541 -234 -1099 -703 -954 -1186 -1795 -1292 -497 -533 -805 -138 -86 63 525 356 122 761 1058 290 409 695 628 -164 68 -498 -402 -109 -424 -665 -849 -456 -465 333 346 -204 375 -170 -259 -112 553 224 39 202 -765 -273 -288 227 918 512 1158 992 1108 789 546 -67 311 443 -244 109 -22 4 -728 -553 -411 -466 -735 SS 20241114T180631.2Z 9084.754528 423 1 12.89 2 60.89 188.45 118.33 26.65 0.00 1 0.00 1 0 25 2.050e-02 7.580e-03 1.222e-02 4.390e-03 2.681776e-01 2.272509e-03 3.386600e-03 -6.000000e+00 1.208916e-02 222.93 -2.00 3.53 -2.00 316.93 0.00e+00 3.329297e-04 3.025873e-04 5.568260e-05 -6.000000e+00 5.344370e-04 278.49 -2.00 20.00 -2.00 316.31 0.00e+00 2.046 0.000 302.00 328.00 3 5.4930e+00 5.8963e-03 2.4211e-02 -6.0000e+00 2.9723e-02 6.9221e-02 6.6130e-03 1.3833e-02 -6.0000e+00 3.2271e-02 -1.0146e-02 3.9241e-03 6.9273e-03 -6.0000e+00 1.9265e-02 1.1430e-03 1.9026e-03 1.9969e-03 -6.0000e+00 8.1937e-03 2.0863e-04 -2.2724e-03 1.3716e-04 2.7642e-05 -6.0000e+00 6.2385e-04 -2.4035e-03 0.0000e+00 12 9 1 12 9 1 99.48 25.31 0.29 -0.00240 -0.01948 3 2 1 5 0 3221.230 32.50 20.00 25.31 18.03 9.6 917.32 -1423 -3524 -7490 -459 -6184 7126 -5715 -11265 -3434 -617 -445 -8590 2431 2883 -252 -1576 2544 1930 -50 1663 2708 2058 -1469 624 762 -4323 -538 1306 1487 3418 1867 1586 1493 -903 -462 411 -1704 -1070 1652 -1483 127 -1098 -159 -126 286 -984 -1530 -1120 -971 -1171 1413 2035 389 656 370 1278 934 1451 760 116 -265 948 1570 2117 -4 918 -334 332 -783 -70 -93 -605 1091 -761 319 1026 -1013 16 -3030 -416 -1858 -1765 -1919 -1125 -500 -523 -60 107 411 404 -332 634 84 836 388 -82 256 228 601 445 -893 -761 182 -686 -584 -644 -669 -86 739 764 482 584 49 35 -155 -413 513 350 -442 -110 32 -414 -522 -361 106 569 336 978 77 777 599 -330 815 815 -24 -96 -30 -292 -335 -138 -348 -590 -96 -168 -478 -1116 -63 -826 772 -702 -1582 -495 -93 -69 -1467 399 532 -55 -389 647 516 -14 479 792 610 -413 178 228 -1423 -173 400 472 1021 575 524 484 -315 -159 149 -589 -413 731 -796 69 -650 -97 -78 177 -616 -952 -679 -577 -693 838 1272 263 466 275 966 721 1120 584 89 -205 762 1248 1791 -4 783 -268 274 -663 -59 -87 -608 1102 -767 302 883 -870 13 -2455 -355 -1663 -1755 -1928 -1188 -556 -622 -70 131 506 489 -411 714 87 874 412 -88 301 277 785 595 -1167 -925 220 -821 -733 -807 -881 -118 1055 1083 725 907 76 51 -226 -559 663 461 -618 -163 46 -605 -750 -534 149 756 427 1290 98 1055 865 -501 1253 1209 -37 -159 -49 -484 -562 -230 -596 -977 -153