File name: Pandora255s1_VirginiaBeachVA-CBBT_20240403_L2Fit_fout2c1d20230302p1-8.txt File generation date: 20240404T051334.9Z Data description: Level 2 spectral fitting results file Data file version: fout2c1p1-8 Local principal investigator: John Anderson Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 255 Spectrometer number: 1 Processing software version used: BlickP v1.8.59 Instrument operation file used: Pandora255_OF_v2d20221206.txt Instrument calibration file used: Pandora255s1_CF_v1d20230302.txt Level 1 file used: Pandora255s1_VirginiaBeachVA-CBBT_20240403_L1_smca1c1d20230302p1-8.txt Full location name: Chesapeake Bay Bridge Tunnel Virginia Short location name: VirginiaBeachVA-CBBT Country of location: United States Location latitude [deg]: 37.0367 Location longitude [deg]: -76.0766 Location altitude [m]: 20 Local noon date: 20240403 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: Initial lab analysis + OoB session, absolute calibration done with an uncalibrated lamp, certificate of FEL1441 (GSFC) used First and last pixel inside fitting window: 194 335 Nominal wavelengths inside fitting window [nm]: 305.1041 305.2451 305.3862 305.5272 305.6682 305.8092 305.9502 306.0911 306.2321 306.3730 306.5140 306.6549 306.7958 306.9367 307.0776 307.2185 307.3593 307.5002 307.6410 307.7819 307.9227 308.0635 308.2043 308.3451 308.4858 308.6266 308.7674 308.9081 309.0488 309.1896 309.3303 309.4710 309.6116 309.7523 309.8930 310.0336 310.1743 310.3149 310.4555 310.5961 310.7367 310.8773 311.0178 311.1584 311.2989 311.4395 311.5800 311.7205 311.8610 312.0015 312.1420 312.2824 312.4229 312.5633 312.7038 312.8442 312.9846 313.1250 313.2654 313.4057 313.5461 313.6864 313.8268 313.9671 314.1074 314.2477 314.3880 314.5283 314.6686 314.8088 314.9491 315.0893 315.2295 315.3697 315.5099 315.6501 315.7903 315.9304 316.0706 316.2107 316.3509 316.4910 316.6311 316.7712 316.9112 317.0513 317.1914 317.3314 317.4715 317.6115 317.7515 317.8915 318.0315 318.1714 318.3114 318.4514 318.5913 318.7312 318.8712 319.0111 319.1510 319.2908 319.4307 319.5706 319.7104 319.8502 319.9901 320.1299 320.2697 320.4095 320.5492 320.6890 320.8288 320.9685 321.1082 321.2479 321.3876 321.5273 321.6670 321.8067 321.9464 322.0860 322.2256 322.3653 322.5049 322.6445 322.7841 322.9236 323.0632 323.2027 323.3423 323.4818 323.6213 323.7608 323.9003 324.0398 324.1793 324.3187 324.4582 324.5976 324.7370 324.8764 --------------------------------------------------------------------------------------- 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 20240403T150950.6Z 8859.631836 278 1 44.67 2 41.28 132.24 71.30 215.37 0.00 1 0.00 1 0 17 7.893e-03 7.444e-03 1.082e-03 7.953e-04 1.759084e-01 4.210709e-04 2.111971e-03 -6.000000e+00 4.655173e-03 228.18 -2.00 3.43 -2.00 314.55 0.00e+00 6.476306e-05 3.299187e-05 2.767442e-05 -6.000000e+00 2.033462e-04 281.87 -2.00 20.00 -2.00 314.03 0.00e+00 1.329 0.000 302.00 328.00 3 4.4985e+00 1.0749e-03 1.5982e-02 -6.0000e+00 1.1583e-02 -2.3601e-04 1.1848e-03 8.8441e-03 -6.0000e+00 1.2503e-02 -1.8682e-03 6.8086e-04 4.3434e-03 -6.0000e+00 7.4394e-03 1.1175e-03 3.0236e-04 1.2284e-03 -6.0000e+00 3.2140e-03 1.3164e-03 3.1755e-04 2.3026e-05 1.7144e-05 -6.0000e+00 2.2367e-04 -4.6117e-02 0.0000e+00 12 9 1 12 1 1 99.87 25.33 0.35 -0.04612 -0.04373 43 5 1 5 0 1015.070 33.50 20.00 25.33 22.97 4.8 1055.02 -732 -813 -1353 -1886 -1220 216 943 1068 873 -55 -417 751 -128 -240 -271 30 14 661 179 746 1187 926 1365 597 474 273 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-5150 506 409 -104 -160 -265 103 782 743 624 477 33 -143 -133 142 373 803 616 858 1285 960 532 221 -179 0 240 57 -193 -72 132 -698 -442 -766 -621 SS 20240403T151458.6Z 8859.635400 281 1 54.39 2 40.53 133.82 71.87 216.40 0.00 1 0.00 1 0 17 7.354e-03 5.837e-03 1.486e-03 1.050e-03 1.776989e-01 5.552712e-04 2.149048e-03 -6.000000e+00 4.337777e-03 228.18 -2.00 3.43 -2.00 314.74 0.00e+00 1.150464e-04 4.528251e-05 1.845061e-05 -6.000000e+00 1.894748e-04 281.87 -2.00 20.00 -2.00 314.20 0.00e+00 1.314 0.000 302.00 328.00 3 5.2265e+00 1.4202e-03 1.5942e-02 -6.0000e+00 1.0793e-02 1.6179e-02 1.5673e-03 8.9835e-03 -6.0000e+00 1.1651e-02 -4.7197e-03 8.9974e-04 4.4149e-03 -6.0000e+00 6.9321e-03 1.6618e-04 4.0143e-04 1.2454e-03 -6.0000e+00 2.9950e-03 6.3918e-04 1.0694e-04 3.0515e-05 1.7341e-05 -6.0000e+00 2.0841e-04 -4.6472e-02 0.0000e+00 10 0 0 10 0 0 99.92 25.33 0.34 -0.04647 -0.04567 45 4 1 5 0 1208.580 33.50 20.01 25.33 23.42 4.9 1060.01 -1304 -996 -1348 -1992 -1840 -22 1393 180 1078 -54 -661 882 -464 -243 -277 104 96 1232 -183 926 1559 615 1101 933 54 -52 -262 699 975 1169 1145 1151 1742 -844 -1601 -1067 23 -848 -742 -849 -910 -915 -834 -1072 -737 -586 -899 -618 -934 188 564 547 432 482 286 722 674 699 606 639 771 1112 1097 872 -41 10 165 379 1147 316 -95 81 227 126 115 131 -191 -225 125 -599 -722 -1603 -1922 -1087 -950 -768 50 -100 -19 86 42 159 140 1009 382 21 860 388 -82 -351 -190 -439 469 337 -667 -1106 -683 -236 37 491 59 -8 91 -251 147 637 491 315 262 -290 -69 -315 90 303 472 236 553 838 670 264 131 -299 -31 16 9 -186 -27 63 -229 -30 -445 -506 -455 -372 -508 -703 -626 -7 452 60 396 -21 -252 334 -193 -105 -133 50 48 613 -95 488 827 327 589 521 30 -30 -147 389 502 620 583 621 989 -496 -893 -580 13 -542 -529 -658 -725 -759 -706 -913 -623 -490 -733 -484 -749 148 460 448 372 410 250 638 603 622 531 558 694 1065 1074 894 -41 9 147 345 1042 309 -97 86 240 129 115 123 -171 -190 109 -556 -710 -1659 -2116 -1191 -1113 -922 60 -125 -24 107 49 172 144 1041 396 22 1024 486 -104 -435 -230 -514 524 393 -815 -1379 -886 -305 49 668 84 -11 122 -325 187 763 589 397 341 -388 -94 -429 119 398 586 290 673 1022 828 333 172 -401 -42 22 13 -270 -41 92 -338 -44 -646 -712 SS 20240403T151933.1Z 8859.638578 284 1 54.82 2 39.88 135.26 72.39 217.31 0.00 1 0.00 1 0 17 7.056e-03 5.817e-03 9.823e-04 7.238e-04 1.753124e-01 3.837287e-04 2.130211e-03 -6.000000e+00 4.161922e-03 228.18 -2.00 3.43 -2.00 314.52 0.00e+00 1.208595e-04 2.994837e-05 1.457188e-05 -6.000000e+00 1.817955e-04 281.87 -2.00 20.00 -2.00 314.00 0.00e+00 1.302 0.000 302.00 328.00 3 4.5569e+00 9.7935e-04 1.5777e-02 -6.0000e+00 1.0356e-02 1.4081e-02 1.0802e-03 8.8811e-03 -6.0000e+00 1.1179e-02 -6.7154e-03 6.2036e-04 4.3692e-03 -6.0000e+00 6.6511e-03 4.4293e-04 2.7474e-04 1.2347e-03 -6.0000e+00 2.8735e-03 1.2728e-03 1.0841e-04 2.0934e-05 1.7374e-05 -6.0000e+00 1.9996e-04 -4.6368e-02 0.0000e+00 10 0 0 10 0 0 97.35 25.35 0.33 -0.04637 -0.04555 65 6 1 5 0 843.260 33.50 20.01 25.35 23.74 4.8 1061.47 -844 -1238 -1632 -1996 -1193 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176 423 529 900 659 305 637 412 -432 -502 -190 -373 367 298 -707 -1321 -796 -555 770 387 -53 -80 -63 -149 217 667 808 555 372 -197 -527 -332 -39 343 608 335 698 1204 786 403 64 -219 38 254 117 -219 26 -94 -461 -363 -669 -623