File name: Pandora94s1_GuatemalaCity_20251219_L2Fit_fout2c3d20250101p1-8.txt
File generation date: 20251220T060631.5Z
Data description: Level 2 spectral fitting results file
Data file version: fout2c3p1-8
Local principal investigator: Daniel Alvarez
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 94
Spectrometer number: 1
Processing software version used: BlickP v1.8.75
Instrument operation file used: Pandora94_OF_v3d20240409.txt
Instrument calibration file used: Pandora94s1_CF_v3d20250101.txt
Level 1 file used: Pandora94s1_GuatemalaCity_20251219_L1_smca1c3d20250101p1-8.txt
Full location name: Ciudad de Guatemala
Short location name: GuatemalaCity
Country of location: Guatemala
Location latitude [deg]: 14.6192
Location longitude [deg]: -90.4838
Location altitude [m]: 1547
Local noon date: 20251219
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 clearance session 2
First and last pixel inside fitting window: 200 342
Nominal wavelengths inside fitting window [nm]: 305.0134 305.1540 305.2945 305.4351 305.5756 305.7162 305.8567 305.9972 306.1377 306.2782 306.4187 306.5592 306.6996 306.8401 306.9805 307.1209 307.2614 307.4018 307.5422 307.6825 307.8229 307.9633 308.1036 308.2440 308.3843 308.5246 308.6649 308.8052 308.9455 309.0858 309.2261 309.3663 309.5066 309.6468 309.7870 309.9272 310.0674 310.2076 310.3478 310.4880 310.6281 310.7683 310.9084 311.0485 311.1886 311.3287 311.4688 311.6089 311.7490 311.8890 312.0291 312.1691 312.3091 312.4491 312.5891 312.7291 312.8691 313.0091 313.1490 313.2890 313.4289 313.5688 313.7087 313.8486 313.9885 314.1284 314.2683 314.4081 314.5480 314.6878 314.8276 314.9675 315.1073 315.2471 315.3868 315.5266 315.6664 315.8061 315.9458 316.0856 316.2253 316.3650 316.5047 316.6443 316.7840 316.9237 317.0633 317.2029 317.3426 317.4822 317.6218 317.7614 317.9009 318.0405 318.1801 318.3196 318.4591 318.5986 318.7382 318.8777 319.0171 319.1566 319.2961 319.4355 319.5750 319.7144 319.8538 319.9932 320.1326 320.2720 320.4114 320.5507 320.6901 320.8294 320.9688 321.1081 321.2474 321.3867 321.5260 321.6652 321.8045 321.9437 322.0830 322.2222 322.3614 322.5006 322.6398 322.7790 322.9182 323.0573 323.1965 323.3356 323.4747 323.6138 323.7529 323.8920 324.0311 324.1702 324.3092 324.4483 324.5873 324.7263 324.8653
---------------------------------------------------------------------------------------
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 20251219T133815.8Z 9484.568239 66 1 55.23 2 74.24 120.03 72.08 127.11 0.00 1 0.00 1 0 17 8.557e-02 1.252e-02 2.917e-02 3.931e-03 3.539573e-01 1.948160e-03 3.809410e-03 -6.000000e+00 4.724111e-02 224.50 -2.00 3.09 -2.00 318.61 0.00e+00 1.688539e-03 4.138197e-04 5.518274e-04 -6.000000e+00 2.118115e-03 285.25 -2.00 20.00 -2.00 317.88 0.00e+00 3.618 0.000 302.00 328.00 3 5.3128e+00 5.2583e-03 3.3965e-02 -6.0000e+00 1.1660e-01 3.4197e-02 6.0341e-03 1.6200e-02 -6.0000e+00 1.2632e-01 8.2347e-03 4.2733e-03 8.1884e-03 -6.0000e+00 7.5455e-02 -1.2218e-02 2.3053e-03 2.5776e-03 -6.0000e+00 3.3659e-02 8.3553e-05 -7.9924e-04 1.0314e-04 2.4109e-05 -6.0000e+00 2.0765e-03 -4.4248e-02 0.0000e+00 12 9 8 11 40 0 99.92 23.96 0.17 -0.04425 -0.05025 27 3 1 5 0 2045.280 32.00 20.00 23.96 22.61 2.5 958.53 900000 -12711 -2108 -23992 -38641 29475 -29509 -7378 -26377 -15287 46652 -30770 15749 -17053 -828 -3096 -195 5989 10452 12506 -1054 12619 11085 -1147 -2067 -5567 5795 1813 1819 1389 -1946 -7082 3417 -1917 -6021 -10102 1608 -10703 983 -2949 2348 -719 -2422 3634 1729 2534 3441 435 3282 1079 -1612 -3406 1985 337 -138 703 2495 481 2709 -1184 527 -618 1696 3072 5114 2101 385 -1910 -2084 -4415 339 1048 2675 642 916 -705 -133 -2868 -2663 -1407 -2060 -1154 -1743 -3467 -680 142 574 2 -362 361 1365 1868 -46 -2035 -1624 -1586 -125 485 1445 635 18 -235 -1178 -2179 -832 -599 112 -398 -722 -414 1766 1290 1419 623 65 -284 -1049 -76 -540 233 984 711 405 247 -591 -228 462 -2024 846 433 -944 159 71 -406 -409 434 -231 363 574 79 379 -450 -891 900000 -575 -94 -1361 -2311 791 -1425 -314 -1557 -902 1538 -2158 755 -1360 -67 -303 -21 627 1114 1371 -139 1466 1283 -157 -307 -909 882 284 266 194 -290 -1249 604 -401 -1332 -2110 300 -2535 247 -944 757 -259 -928 1361 665 970 1320 170 1236 415 -652 -1529 918 168 -74 385 1375 277 1506 -665 290 -358 1053 2082 3692 1427 265 -1269 -1374 -3285 256 853 2219 536 727 -523 -95 -1923 -1733 -982 -1540 -970 -1646 -3547 -705 146 627 2 -433 427 1533 1917 -48 -1977 -1558 -1663 -134 582 1932 849 23 -308 -1406 -2448 -969 -768 149 -518 -992 -602 2734 2008 2249 1028 101 -405 -1416 -103 -768 355 1584 1159 645 383 -887 -324 674 -2838 1174 619 -1489 263 121 -665 -699 789 -445 709 1076 150 739 -845 -1604