File name: Pandora248s1_TurlockCA_20251201_L2Fit_fout2c3d20230531p1-8.txt File generation date: 20251204T044553.7Z Data description: Level 2 spectral fitting results file Data file version: fout2c3p1-8 Local principal investigator: Wing To Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 248 Spectrometer number: 1 Processing software version used: BlickP v1.8.75 Instrument operation file used: Pandora248_OF_v2d20221012.txt Instrument calibration file used: Pandora248s1_CF_v3d20230531.txt Level 1 file used: Pandora248s1_TurlockCA_20251201_L1_smca1c3d20230531p1-8.txt Full location name: California State University, Stanislaus Short location name: TurlockCA Country of location: United States Location latitude [deg]: 37.5230 Location longitude [deg]: -120.8550 Location altitude [m]: 45 Local noon date: 20251201 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: None First and last pixel inside fitting window: 196 338 Nominal wavelengths inside fitting window [nm]: 305.0724 305.2135 305.3546 305.4957 305.6368 305.7778 305.9189 306.0599 306.2010 306.3420 306.4830 306.6240 306.7650 306.9059 307.0469 307.1878 307.3287 307.4697 307.6106 307.7515 307.8923 308.0332 308.1740 308.3149 308.4557 308.5965 308.7373 308.8781 309.0189 309.1597 309.3004 309.4411 309.5819 309.7226 309.8633 310.0040 310.1446 310.2853 310.4259 310.5666 310.7072 310.8478 310.9884 311.1290 311.2696 311.4101 311.5507 311.6912 311.8317 311.9723 312.1127 312.2532 312.3937 312.5342 312.6746 312.8150 312.9555 313.0959 313.2363 313.3767 313.5170 313.6574 313.7977 313.9381 314.0784 314.2187 314.3590 314.4993 314.6396 314.7798 314.9201 315.0603 315.2005 315.3407 315.4809 315.6211 315.7613 315.9014 316.0416 316.1817 316.3218 316.4619 316.6020 316.7421 316.8822 317.0223 317.1623 317.3023 317.4424 317.5824 317.7224 317.8623 318.0023 318.1423 318.2822 318.4222 318.5621 318.7020 318.8419 318.9818 319.1216 319.2615 319.4014 319.5412 319.6810 319.8208 319.9606 320.1004 320.2402 320.3799 320.5197 320.6594 320.7992 320.9389 321.0786 321.2183 321.3579 321.4976 321.6372 321.7769 321.9165 322.0561 322.1957 322.3353 322.4749 322.6144 322.7540 322.8935 323.0331 323.1726 323.3121 323.4516 323.5910 323.7305 323.8700 324.0094 324.1488 324.2882 324.4276 324.5670 324.7064 324.8458 324.9851 --------------------------------------------------------------------------------------- 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 20251201T233835.2Z 9466.985130 471 1 55.21 2 79.71 231.79 74.44 84.86 0.00 1 0.00 1 0 25 2.575e-01 2.818e-02 4.836e-02 5.399e-03 6.535312e-01 2.804912e-03 7.858263e-03 -6.000000e+00 1.491146e-01 223.65 -2.00 3.44 -2.00 320.69 0.00e+00 3.966269e-03 1.024648e-03 4.206177e-03 -6.000000e+00 6.695793e-03 281.23 -2.00 20.00 -2.00 320.06 0.00e+00 5.369 0.003 302.00 328.00 3 3.3384e+00 8.6032e-03 6.5092e-02 -6.0000e+00 3.6680e-01 6.2873e-01 1.0314e-02 4.0290e-02 -6.0000e+00 3.9993e-01 -8.2494e-01 7.3363e-03 1.8338e-02 -6.0000e+00 2.3894e-01 3.5029e-01 3.6574e-03 4.5995e-03 -6.0000e+00 1.0023e-01 4.2505e-05 -2.4858e-03 1.5454e-04 1.0901e-04 -6.0000e+00 7.6628e-03 4.0649e-03 0.0000e+00 12 9 8 11 32 0 99.99 24.95 -1.17 0.00406 -0.01461 27 3 1 5 0 2044.690 33.50 20.00 24.95 16.36 8.1 929.63 -89579 -9735 -45140 -77428 -83789 -91119 -97534 -102744 -80796 -48494 -98821 -32588 -6024 -32075 14650 19018 -23657 -9201 -8230 30615 -8864 9417 2633 -13525 -17488 1046 -26674 -30422 -4920 2531 23949 22452 34829 8660 13728 10604 -4825 697 32681 21411 17259 24612 31900 20830 28937 7916 23834 14247 20847 19914 17709 19875 18830 24650 25503 8617 14803 6046 5475 8982 11324 8280 2109 18779 14496 6095 2319 3930 -1052 4878 6562 2806 3776 431 -3513 -2880 -1622 -9017 -10118 -6351 -2485 -5293 -4373 -3645 -387 -1871 -2532 -1615 -906 978 -3133 -1898 -4641 -3979 -6094 -6290 523 -1401 -1968 -2069 449 -3203 -3312 30 -1334 -2258 -28 1036 -359 1297 1963 1610 1356 -451 13 -348 -505 -257 1680 -231 1544 2442 1515 3037 846 -412 1058 2400 1531 1459 370 -210 381 -367 -160 -764 1100 -550 966 -380 -1111 -1216 -2306 -6089 -326 -2161 -4707 -4773 -5147 -5882 -6885 -4564 -2019 -6906 -1279 -216 -1827 624 971 -1823 -712 -650 1644 -691 590 176 -1097 -1519 76 -2486 -2787 -339 171 1488 1631 2476 821 1178 916 -518 81 3269 2751 2526 3512 4333 3170 4038 1363 3514 2348 3315 3376 3338 4008 4134 5425 5787 2368 3842 1674 1467 2275 2880 2367 717 5933 4946 2214 862 1484 -458 2250 3220 1470 1911 211 -1618 -1186 -621 -3808 -4843 -3434 -1500 -3372 -3004 -2640 -288 -1498 -2130 -1373 -757 768 -2396 -1346 -3295 -2933 -5146 -6154 552 -1560 -2361 -2469 489 -3572 -3450 31 -1466 -2652 -31 1234 -478 1898 3129 2494 2104 -744 20 -528 -777 -413 2790 -372 2411 3951 2386 4543 1244 -592 1475 3493 2519 2480 694 -420 797 -764 -353 -1765 2545 -1304 2224 -847 -2340 -2605 -4893 SS 20251201T235125.5Z 9466.994045 476 1 54.45 2 81.74 233.99 71.94 86.64 0.00 1 0.00 1 0 25 5.766e-01 2.332e-02 2.148e-01 7.400e-03 8.126718e-01 4.252369e-03 8.662500e-03 -6.000000e+00 3.405680e-01 223.65 -2.00 3.44 -2.00 321.64 0.00e+00 -5.601334e-05 2.297654e-03 1.666296e-03 -6.000000e+00 1.705913e-02 281.22 -2.00 20.00 -2.00 321.12 0.00e+00 6.533 0.005 302.00 328.00 3 2.6039e+00 1.5291e-02 7.7417e-02 -6.0000e+00 8.4373e-01 5.4946e-01 2.1635e-02 4.4006e-02 -6.0000e+00 9.2565e-01 -6.8026e-01 2.1284e-02 2.2846e-02 -6.0000e+00 5.4637e-01 2.7270e-01 9.7638e-03 6.7629e-03 -6.0000e+00 2.2971e-01 2.5688e-05 -1.3089e-03 2.1512e-04 9.9235e-05 -6.0000e+00 1.7595e-02 -4.2829e-03 0.0000e+00 12 8 8 10 0 0 99.74 24.95 0.89 -0.00428 -0.01412 29 3 1 5 0 1877.370 33.50 19.99 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