File name: Pandora249s1_ChicagoIL_20230907_L2Fit_fout2c2d20230104p1-8.txt File generation date: 20230908T113425.5Z Data description: Level 2 spectral fitting results file Data file version: fout2c2p1-8 Local principal investigator: John Randazzo Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 249 Spectrometer number: 1 Processing software version used: BlickP v1.8.49 Instrument operation file used: Pandora249_OF_v2d20221026.txt Instrument calibration file used: Pandora249s1_CF_v2d20230104.txt Level 1 file used: Pandora249s1_ChicagoIL_20230907_L1_smca1c2d20230104p1-8.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: 20230907 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 First and last pixel inside fitting window: 192 334 Nominal wavelengths inside fitting window [nm]: 305.0408 305.1812 305.3216 305.4620 305.6024 305.7427 305.8831 306.0235 306.1638 306.3042 306.4445 306.5848 306.7252 306.8655 307.0058 307.1461 307.2864 307.4267 307.5670 307.7073 307.8475 307.9878 308.1281 308.2683 308.4086 308.5488 308.6891 308.8293 308.9695 309.1097 309.2499 309.3901 309.5303 309.6705 309.8107 309.9509 310.0910 310.2312 310.3713 310.5115 310.6516 310.7917 310.9319 311.0720 311.2121 311.3522 311.4923 311.6324 311.7724 311.9125 312.0526 312.1926 312.3327 312.4727 312.6127 312.7527 312.8928 313.0328 313.1728 313.3127 313.4527 313.5927 313.7327 313.8726 314.0126 314.1525 314.2924 314.4324 314.5723 314.7122 314.8521 314.9920 315.1319 315.2717 315.4116 315.5515 315.6913 315.8311 315.9710 316.1108 316.2506 316.3904 316.5302 316.6700 316.8098 316.9495 317.0893 317.2290 317.3688 317.5085 317.6482 317.7879 317.9276 318.0673 318.2070 318.3467 318.4864 318.6260 318.7657 318.9053 319.0449 319.1846 319.3242 319.4638 319.6033 319.7429 319.8825 320.0221 320.1616 320.3011 320.4407 320.5802 320.7197 320.8592 320.9987 321.1382 321.2776 321.4171 321.5566 321.6960 321.8354 321.9748 322.1142 322.2536 322.3930 322.5324 322.6718 322.8111 322.9505 323.0898 323.2291 323.3684 323.5077 323.6470 323.7863 323.9256 324.0649 324.2041 324.3433 324.4826 324.6218 324.7610 324.9002 --------------------------------------------------------------------------------------- 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 20230907T145528.3Z 8650.621856 339 1 26.06 2 52.59 120.72 36.57 259.78 0.00 1 0.00 1 0 17 7.578e-03 5.490e-03 5.162e-04 3.322e-04 2.137419e-01 1.783471e-04 2.603982e-03 -6.000000e+00 4.586528e-03 229.79 -2.00 3.53 -2.00 315.20 0.00e+00 2.835478e-04 1.625111e-05 3.805451e-05 -6.000000e+00 2.043765e-04 286.76 -2.00 20.00 -2.00 314.54 0.00e+00 1.642 0.000 302.00 328.00 3 1.9286e+00 4.5898e-04 1.9566e-02 -6.0000e+00 1.1424e-02 1.2281e-02 5.0817e-04 1.1113e-02 -6.0000e+00 1.2325e-02 2.1474e-03 2.9075e-04 5.4187e-03 -6.0000e+00 7.3546e-03 -2.0701e-03 1.2828e-04 1.5270e-03 -6.0000e+00 3.1145e-03 1.2098e-02 4.8482e-04 1.0294e-05 2.2083e-05 -6.0000e+00 2.3113e-04 -5.9809e-03 2.7050e-04 12 1 1 12 1 1 99.99 26.32 0.32 -0.00598 -0.00234 497 105 1 5 0 52.320 33.25 19.99 26.32 25.76 9.5 975.10 715 -467 -2061 -2971 -3254 -1648 -318 990 1061 -189 -943 -521 358 855 989 497 40 351 725 542 689 693 646 811 578 270 -406 -884 -460 218 992 1421 1083 -123 -1377 -1101 -565 -142 551 -18 -687 -936 -851 -787 -783 -536 -762 -853 -582 -51 607 775 1008 726 686 626 647 443 408 664 955 1223 1225 905 206 -97 -155 -28 312 709 51 -184 -275 -124 -168 -200 7 188 69 -242 -720 -1072 -1555 -1418 -978 -792 -631 -283 -192 -41 305 431 425 804 963 699 499 326 -6 -142 -215 -374 -16 201 -384 -664 -744 -460 -423 -65 17 -207 -27 64 167 387 524 424 225 -77 -240 -95 -67 161 555 528 727 1043 839 432 254 16 -46 123 -43 -153 -43 -60 -287 -336 -205 -338 -433 204 -147 -632 -944 -946 -442 -86 288 341 -61 -308 -172 125 313 406 211 18 162 345 251 326 329 310 402 301 138 -210 -465 -226 108 496 707 576 -65 -754 -584 -312 -84 346 -12 -514 -714 -669 -628 -625 -424 -595 -648 -447 -38 469 605 797 604 591 530 556 383 349 562 821 1105 1145 866 202 -90 -139 -24 281 670 50 -192 -281 -128 -164 -193 7 164 60 -219 -704 -1080 -1642 -1529 -1115 -933 -765 -345 -237 -50 357 491 456 838 1014 767 567 395 -8 -183 -265 -444 -18 230 -455 -817 -963 -604 -563 -89 25 -294 -39 89 219 484 654 526 296 -103 -334 -134 -92 219 718 668 901 1300 1050 558 336 22 -63 172 -61 -225 -64 -91 -443 -514 -305 -499 -641 SS 20230907T200505.7Z 8650.836872 528 1 54.86 2 47.03 229.58 89.17 306.96 0.00 1 0.00 1 0 17 8.712e-03 5.566e-03 1.945e-03 1.141e-03 1.919851e-01 6.122163e-04 2.331309e-03 -6.000000e+00 5.274276e-03 229.77 -2.00 3.53 -2.00 315.50 0.00e+00 1.847371e-04 5.904867e-05 2.797637e-05 -6.000000e+00 2.349622e-04 286.74 -2.00 20.00 -2.00 314.81 0.00e+00 1.465 0.000 302.00 328.00 3 5.1345e+00 1.5819e-03 1.7494e-02 -6.0000e+00 1.3137e-02 3.6025e-02 1.7536e-03 9.9806e-03 -6.0000e+00 1.4171e-02 2.7418e-03 1.0046e-03 4.8676e-03 -6.0000e+00 8.4565e-03 -2.7623e-03 4.4849e-04 1.3615e-03 -6.0000e+00 3.5824e-03 6.0008e-04 5.9263e-04 3.5577e-05 1.9119e-05 -6.0000e+00 2.6569e-04 -7.4620e-03 2.9992e-04 10 0 0 10 0 0 99.98 27.08 0.40 -0.00746 -0.00301 72 7 1 5 0 761.890 33.75 20.00 27.08 28.28 9.6 993.36 419 563 -2338 -3006 -3895 -2477 -133 320 2547 215 -1443 532 -434 406 928 291 -770 1075 1591 1688 651 297 244 399 667 -716 -543 -1403 -56 881 906 1670 402 -727 -2280 -1167 -803 -456 686 238 -179 -767 -1014 -373 -621 -751 -702 -704 -647 -126 369 1471 921 724 760 629 884 390 551 461 810 974 1453 904 192 95 -432 -272 -154 616 230 80 143 -51 -143 299 -410 -133 -790 -805 -768 -1132 -1438 -1275 -873 -628 -535 -119 129 81 451 269 133 477 743 369 512 396 441 -132 -209 -488 6 -215 -452 -840 -780 -441 -269 0 50 183 8 -99 -53 191 182 426 17 86 -258 1 142 316 512 672 616 1093 564 455 310 88 -109 368 -146 53 -276 -24 -92 -143 -296 -518 -560 103 151 -658 -814 -968 -567 -30 79 675 62 -424 154 -135 139 353 111 -312 438 664 723 287 132 109 184 321 -361 -273 -681 -25 373 387 744 192 -362 -1118 -548 -392 -251 406 165 -128 -583 -796 -295 -491 -590 -541 -526 -468 -90 266 1105 733 604 654 553 786 326 487 405 722 850 1352 894 194 91 -381 -244 -141 568 234 81 148 -52 -146 280 -373 -111 -662 -726 -718 -1171 -1506 -1406 -1017 -735 -664 -153 158 103 539 314 141 505 790 395 602 481 573 -165 -265 -579 7 -255 -535 -1067 -982 -578 -368 1 70 265 11 -138 -68 242 223 532 22 115 -363 2 197 424 689 856 747 1368 687 586 420 116 -147 508 -212 77 -415 -36 -143 -220 -447 -758 -843 SS 20230907T203210.3Z 8650.855675 543 1 53.67 2 51.06 236.73 92.92 311.34 0.00 1 0.00 1 0 17 2.007e-02 1.125e-02 8.676e-03 3.666e-03 2.128862e-01 1.944403e-03 2.577370e-03 -6.000000e+00 1.214900e-02 229.77 -2.00 3.53 -2.00 316.61 0.00e+00 3.047874e-05 2.384716e-04 1.622203e-04 -6.000000e+00 5.412692e-04 286.74 -2.00 20.00 -2.00 315.85 0.00e+00 1.588 0.000 302.00 328.00 3 6.6891e+00 5.0847e-03 1.9124e-02 -6.0000e+00 3.0260e-02 7.2661e-02 5.6735e-03 1.1085e-02 -6.0000e+00 3.2644e-02 7.4271e-03 3.2931e-03 5.4034e-03 -6.0000e+00 1.9480e-02 -8.5429e-03 1.5472e-03 1.5038e-03 -6.0000e+00 8.2513e-03 1.0647e-04 6.2627e-04 1.1516e-04 1.9536e-05 -6.0000e+00 6.1210e-04 -7.2430e-03 2.8104e-04 12 9 8 11 8 0 99.95 27.10 0.52 -0.00724 -0.00254 22 2 1 5 0 2439.110 33.75 20.00 27.10 29.00 9.6 996.99 -1533 7517 -711 313 -5679 3732 3323 -1284 5377 -3982 4979 -1854 42 -888 -642 -4577 417 2001 3164 6685 1816 -203 -3870 -1074 70 -2907 -1464 -3798 -2917 2021 51 748 -274 -1532 -4057 -3406 -690 -3579 1850 2255 1173 -527 -1494 1872 784 -100 -1600 -605 -2720 183 -1178 5227 -797 21 584 1662 1851 479 1259 949 10 1355 3338 1105 -115 857 -503 325 -512 263 -237 76 1638 -414 -452 688 -752 -1142 -6717 -2295 -901 -1584 -1962 -288 211 220 264 603 1092 957 -702 -122 -381 -231 -12 448 172 53 899 229 208 -1017 591 -1608 -641 -1186 -466 -658 106 162 613 2170 118 -214 -437 -793 -792 842 -1080 659 -140 -587 639 608 362 883 749 1254 -431 -130 -191 -376 -90 1728 -521 203 -744 -161 671 23 -781 -661 -30 -246 1204 -127 53 -930 522 475 -210 909 -783 904 -365 9 -207 -167 -1357 124 602 970 2037 593 -68 -1353 -379 26 -1133 -563 -1433 -1021 645 17 259 -102 -595 -1572 -1271 -262 -1588 917 1295 687 -333 -981 1204 509 -65 -1038 -377 -1852 120 -801 3517 -547 15 428 1231 1389 365 940 704 8 1072 2777 994 -106 743 -408 249 -403 225 -225 76 1638 -413 -427 588 -588 -914 -5663 -1999 -783 -1528 -2047 -312 241 269 341 740 1351 1159 -888 -141 -401 -229 -12 477 202 68 1130 293 279 -1283 690 -1915 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