File name: Pandora246s1_IowaCityIA-WHS_20240806_L2Fit_fout2c2d20230109p1-8.txt File generation date: 20240807T061832.3Z Data description: Level 2 spectral fitting results file Data file version: fout2c2p1-8 Local principal investigator: Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 246 Spectrometer number: 1 Processing software version used: BlickP v1.8.59 Instrument operation file used: Pandora246_OF_v1d20221122.txt Instrument calibration file used: Pandora246s1_CF_v2d20230109.txt Level 1 file used: Pandora246s1_IowaCityIA-WHS_20240806_L1_smca1c2d20230109p1-8.txt Full location name: West High School, Iowa City, IA Short location name: IowaCityIA-WHS Country of location: United States Location latitude [deg]: 41.6548 Location longitude [deg]: -91.5827 Location altitude [m]: 235 Local noon date: 20240806 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: 198 339 Nominal wavelengths inside fitting window [nm]: 305.1105 305.2516 305.3926 305.5337 305.6748 305.8158 305.9568 306.0979 306.2389 306.3799 306.5209 306.6618 306.8028 306.9438 307.0847 307.2256 307.3666 307.5075 307.6484 307.7892 307.9301 308.0710 308.2118 308.3527 308.4935 308.6343 308.7751 308.9159 309.0567 309.1974 309.3382 309.4789 309.6197 309.7604 309.9011 310.0418 310.1825 310.3232 310.4638 310.6045 310.7451 310.8858 311.0264 311.1670 311.3076 311.4482 311.5887 311.7293 311.8699 312.0104 312.1509 312.2914 312.4319 312.5724 312.7129 312.8534 312.9938 313.1343 313.2747 313.4151 313.5555 313.6959 313.8363 313.9767 314.1171 314.2574 314.3977 314.5381 314.6784 314.8187 314.9590 315.0993 315.2395 315.3798 315.5200 315.6603 315.8005 315.9407 316.0809 316.2211 316.3613 316.5015 316.6416 316.7817 316.9219 317.0620 317.2021 317.3422 317.4823 317.6224 317.7624 317.9025 318.0425 318.1825 318.3225 318.4625 318.6025 318.7425 318.8825 319.0224 319.1624 319.3023 319.4422 319.5821 319.7220 319.8619 320.0018 320.1417 320.2815 320.4213 320.5612 320.7010 320.8408 320.9806 321.1204 321.2601 321.3999 321.5396 321.6794 321.8191 321.9588 322.0985 322.2382 322.3779 322.5175 322.6572 322.7968 322.9364 323.0761 323.2157 323.3552 323.4948 323.6344 323.7740 323.9135 324.0530 324.1926 324.3321 324.4716 324.6110 324.7505 324.8900 --------------------------------------------------------------------------------------- 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 20240806T184338.2Z 8984.780304 107 1 9.89 2 26.15 197.33 36.27 148.48 0.00 1 0.00 1 0 17 7.166e-03 5.937e-03 2.196e-03 1.765e-03 1.487187e-01 9.371196e-04 1.826314e-03 -6.000000e+00 4.191266e-03 232.00 -2.00 3.52 -2.00 313.96 0.00e+00 2.525727e-04 6.684204e-05 1.585343e-05 -6.000000e+00 1.855392e-04 288.43 -2.00 20.00 -2.00 313.42 0.00e+00 1.114 0.000 302.00 328.00 3 4.6133e+00 2.4006e-03 1.3432e-02 -6.0000e+00 1.0507e-02 3.2801e-02 2.6319e-03 7.8078e-03 -6.0000e+00 1.1311e-02 -5.8701e-04 1.5164e-03 3.7938e-03 -6.0000e+00 6.7345e-03 -4.4124e-03 6.6710e-04 1.0660e-03 -6.0000e+00 2.9169e-03 1.5582e-03 -1.7999e-05 4.8517e-05 1.4376e-05 -6.0000e+00 1.9134e-04 -4.4078e-02 1.9930e-04 12 1 1 12 1 1 99.99 25.14 0.47 -0.04408 -0.04421 9 5 1 5 0 988.660 32.75 20.00 25.14 33.21 3.0 1035.43 -353 756 -1420 -1932 -787 -1367 -1210 1700 944 -175 -419 -590 -645 489 162 -1079 -57 252 934 452 509 594 1327 715 329 474 -47 -202 379 1282 1023 1693 2075 -775 -1514 -958 -790 -573 72 -705 -1155 -886 -800 -658 -330 -790 -856 -591 -588 604 652 821 755 718 426 1059 238 433 457 799 959 784 1125 647 -434 -83 -301 318 529 318 58 125 -34 347 -285 102 145 -479 -290 -806 -887 -1166 -1651 -1479 -1206 -719 -434 244 201 162 179 111 232 796 512 -18 829 516 -181 -218 -150 -331 -156 79 -665 -652 -524 -353 -96 263 -11 52 179 104 377 424 360 361 324 -148 -187 230 47 232 739 286 902 794 600 339 -288 185 -117 -156 -217 -306 172 252 -165 -401 -569 -594 -164 349 -674 -904 -339 -558 -515 731 452 -83 -205 -286 -319 265 92 -632 -33 150 567 283 323 370 830 445 214 316 -31 -131 224 761 625 1020 1320 -513 -930 -569 -510 -406 55 -599 -1019 -773 -712 -586 -291 -692 -757 -499 -497 498 558 711 683 650 395 985 226 408 422 734 908 764 1128 658 -450 -80 -276 291 491 321 62 133 -36 368 -283 97 129 -420 -252 -753 -885 -1226 -1774 -1655 -1397 -860 -527 303 250 192 209 122 237 805 526 -19 951 629 -224 -262 -174 -368 -172 89 -793 -791 -662 -449 -127 352 -14 72 233 132 449 491 419 426 401 -191 -248 299 60 290 896 342 1050 932 722 417 -357 231 -148 -206 -295 -421 242 352 -232 -567 -783 -792 SS 20240806T184742.9Z 8984.783135 110 1 49.01 2 26.39 199.47 35.90 150.04 0.00 1 0.00 1 0 17 6.854e-03 5.880e-03 4.789e-04 3.884e-04 1.499191e-01 2.059316e-04 1.851947e-03 -6.000000e+00 4.008657e-03 232.00 -2.00 3.52 -2.00 313.91 0.00e+00 1.616271e-04 1.458661e-05 1.166821e-05 -6.000000e+00 1.774517e-04 288.43 -2.00 20.00 -2.00 313.37 0.00e+00 1.116 0.000 302.00 328.00 3 3.3097e+00 5.2729e-04 1.3504e-02 -6.0000e+00 1.0049e-02 2.9448e-02 5.7828e-04 7.8912e-03 -6.0000e+00 1.0818e-02 -2.7290e-03 3.3304e-04 3.8404e-03 -6.0000e+00 6.4410e-03 -3.5764e-03 1.4615e-04 1.0698e-03 -6.0000e+00 2.7899e-03 5.7230e-03 -4.8200e-05 1.0633e-05 1.4627e-05 -6.0000e+00 1.8299e-04 -4.4122e-02 2.0474e-04 12 1 1 12 1 1 99.99 25.17 0.43 -0.04412 -0.04448 252 28 1 5 0 193.670 32.75 20.01 25.17 33.39 3.0 1036.86 -461 -378 -698 -1994 -1215 -830 79 1074 754 -264 -603 -126 -305 -121 326 -405 67 332 838 909 360 1013 1229 676 478 363 19 -63 346 1451 1314 1594 1398 -876 -1307 -1184 -1268 -617 -510 -740 -1091 -929 -1083 -898 -400 -775 -802 -499 -539 331 621 481 771 709 597 957 584 505 551 668 1062 995 1215 819 -299 -159 -413 21 699 199 94 -28 101 163 -27 38 -215 -59 60 -647 -790 -1387 -1803 -1352 -979 -668 -406 35 87 70 300 116 478 809 512 295 627 500 -134 -278 -206 -269 8 -5 -806 -679 -685 -524 -53 166 234 32 160 103 277 477 324 433 313 -75 -291 35 116 233 508 220 894 1064 474 368 -37 32 -94 -13 -105 -275 158 -63 -278 -270 -421 -570 -220 -183 -340 -959 -537 -343 34 478 372 -130 -288 -63 -156 -65 184 -246 41 197 509 566 229 629 769 444 313 244 13 -41 214 854 795 1007 896 -581 -802 -739 -823 -423 -400 -622 -956 -811 -967 -802 -353 -679 -705 -419 -450 270 526 416 694 643 553 893 554 476 509 615 1006 974 1233 845 -304 -155 -381 20 650 196 98 -29 106 170 -27 36 -192 -51 54 -606 -796 -1437 -1918 -1494 -1125 -797 -495 43 105 84 348 126 495 828 534 327 717 594 -166 -337 -239 -308 9 -5 -964 -829 -849 -675 -68 220 321 44 212 129 331 550 376 513 391 -98 -381 45 149 293 620 264 1035 1239 571 454 -46 41 -120 -17 -140 -376 220 -88 -390 -380 -575 -775 SS 20240806T185541.4Z 8984.788673 116 1 54.56 2 26.94 203.55 35.23 153.17 0.00 1 0.00 1 0 17 1.471e-02 9.199e-03 3.716e-03 2.537e-03 1.607258e-01 1.324033e-03 1.980383e-03 -6.000000e+00 8.602469e-03 232.00 -2.00 3.52 -2.00 314.88 0.00e+00 5.180038e-04 1.126868e-04 2.525499e-05 -6.000000e+00 3.808515e-04 288.43 -2.00 20.00 -2.00 314.24 0.00e+00 1.121 0.000 302.00 328.00 3 6.7657e+00 3.4184e-03 1.3924e-02 -6.0000e+00 2.1565e-02 6.3129e-02 3.7680e-03 8.5048e-03 -6.0000e+00 2.3216e-02 -1.0240e-02 2.1589e-03 4.1233e-03 -6.0000e+00 1.3823e-02 9.3303e-04 9.7268e-04 1.1921e-03 -6.0000e+00 5.9865e-03 1.7325e-04 -2.4219e-04 7.0257e-05 1.5062e-05 -6.0000e+00 3.9280e-04 -4.4064e-02 1.6643e-04 11 9 0 11 32 0 99.98 25.22 0.62 -0.04406 -0.04588 33 3 1 5 0 1653.080 33.00 20.00 25.22 33.63 3.0 1038.14 -2707 -365 -2270 -3379 50 -4460 -5571 5474 -1996 -950 1091 -2784 -161 2706 -242 -369 2454 644 3096 -1190 13 3404 -704 2157 -1497 -248 -202 -1402 3806 1293 -1147 3002 3324 -2560 -574 -3475 -225 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