File name: Pandora236s1_NewLondonCT_20230325_L2Fit_fout2c4d20220606p1-8.txt
File generation date: 20251201T181438.0Z
Data description: Level 2 spectral fitting results file
Data file version: fout2c4p1-8
Local principal investigator: Brooke S.Stutzman
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 236
Spectrometer number: 1
Processing software version used: BlickP v1.8.75
Instrument operation file used: Pandora236_OF_v3d20220107.txt
Instrument calibration file used: Pandora236s1_CF_v4d20220606.txt
Level 1 file used: Pandora236s1_NewLondonCT_20230325_L1_smca1c4d20220606p1-8.txt
Full location name: United States Coast Guard Academy
Short location name: NewLondonCT
Country of location: United States
Location latitude [deg]: 41.3758
Location longitude [deg]: -72.1004
Location altitude [m]: 30
Local noon date: 20230325
Notes on s-number (L1 configuration): Corrections NOT applied although requested by the s-number are dark map for dark correction (replaced by immediate dark method), latency correction, matrix method stray light correction (replaced by simple method)
Data caveats: Modification of session 3 "1.8 field calibration all gases" change in SO2
First and last pixel inside fitting window: 197 338
Nominal wavelengths inside fitting window [nm]: 305.1267 305.2679 305.4091 305.5502 305.6914 305.8325 305.9737 306.1148 306.2559 306.3970 306.5381 306.6792 306.8203 306.9613 307.1024 307.2434 307.3845 307.5255 307.6665 307.8075 307.9485 308.0894 308.2304 308.3714 308.5123 308.6532 308.7942 308.9351 309.0760 309.2169 309.3577 309.4986 309.6395 309.7803 309.9211 310.0620 310.2028 310.3436 310.4844 310.6251 310.7659 310.9067 311.0474 311.1881 311.3289 311.4696 311.6103 311.7510 311.8916 312.0323 312.1730 312.3136 312.4543 312.5949 312.7355 312.8761 313.0167 313.1573 313.2978 313.4384 313.5790 313.7195 313.8600 314.0005 314.1410 314.2815 314.4220 314.5625 314.7029 314.8434 314.9838 315.1243 315.2647 315.4051 315.5455 315.6859 315.8262 315.9666 316.1070 316.2473 316.3876 316.5279 316.6682 316.8085 316.9488 317.0891 317.2294 317.3696 317.5099 317.6501 317.7903 317.9305 318.0707 318.2109 318.3511 318.4912 318.6314 318.7715 318.9117 319.0518 319.1919 319.3320 319.4721 319.6121 319.7522 319.8923 320.0323 320.1723 320.3124 320.4524 320.5924 320.7323 320.8723 321.0123 321.1522 321.2922 321.4321 321.5720 321.7119 321.8518 321.9917 322.1316 322.2715 322.4113 322.5512 322.6910 322.8308 322.9706 323.1104 323.2502 323.3900 323.5297 323.6695 323.8092 323.9490 324.0887 324.2284 324.3681 324.5078 324.6474 324.7871 324.9268
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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
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SS 20230325T153411.6Z 8484.648746 206 1 51.24 2 43.43 150.09 60.93 87.66 0.00 1 0.00 1 0 17 1.567e-02 9.397e-03 1.278e-02 5.665e-03 1.843653e-01 2.822873e-03 2.240005e-03 -6.000000e+00 8.820642e-03 226.89 -2.00 3.52 -2.00 316.70 0.00e+00 1.242512e-03 3.361500e-04 5.612422e-05 -6.000000e+00 3.817125e-04 277.66 -2.00 20.00 -2.00 316.06 0.00e+00 1.375 0.000 302.00 328.00 3 6.2470e+00 7.3632e-03 1.6661e-02 -6.0000e+00 2.1922e-02 7.6994e-02 8.2455e-03 9.5108e-03 -6.0000e+00 2.3835e-02 -1.0975e-02 4.8292e-03 4.6709e-03 -6.0000e+00 1.4157e-02 -9.6444e-04 2.3042e-03 1.5576e-03 -6.0000e+00 6.0664e-03 2.1133e-04 -2.6882e-04 1.5921e-04 1.5511e-05 -6.0000e+00 4.0636e-04 -3.5509e-03 0.0000e+00 12 8 8 10 0 0 99.97 23.59 0.49 -0.00355 -0.00557 36 6 1 5 0 1423.090 26.00 20.00 23.59 11.19 9.1 948.62 -1398 -2232 -994 -4670 -448 2957 3434 -3109 -3785 708 -2039 354 571 3362 1038 2835 112 448 -1125 3686 1550 442 1601 -452 -486 812 -1482 -724 446 -1689 -386 2586 4435 -4983 -5030 -4764 -1576 -1507 -119 978 -1004 860 -1636 320 -1470 -27 -166 529 -1290 1075 -383 628 828 593 1975 1380 869 -1930 1414 653 784 1191 2956 1623 -1019 -1090 -2470 237 401 234 1067 1194 937 133 -922 -159 -2049 -1581 -1156 -668 -2036 -1619 -783 -2117 -542 485 777 1119 1256 -267 611 -734 -902 -559 -582 -315 1607 374 65 834 -1585 -1336 -883 -786 -1512 197 -1564 261 156 1375 890 271 406 -486 -90 -445 197 -206 482 -468 495 282 692 618 289 233 420 -62 -1034 238 225 -93 -575 -122 89 446 336 13 175 -642 -319 -329 -271 -457 -197 -848 -69 437 546 -591 -784 140 -397 71 129 829 292 825 34 139 -365 1172 500 142 524 -158 -184 309 -555 -246 140 -548 -131 902 1619 -1916 -1770 -1731 -626 -706 -65 596 -655 566 -1125 214 -1000 -18 -106 322 -778 644 -248 423 582 433 1436 1025 651 -1459 1016 479 607 992 2591 1476 -885 -852 -1836 173 325 213 1020 1158 890 121 -766 -122 -1473 -1116 -893 -577 -1968 -1680 -795 -2307 -628 590 981 1431 1568 -332 684 -750 -854 -537 -608 -362 2004 510 89 1071 -1926 -1503 -993 -964 -1997 267 -2250 383 241 2212 1467 434 605 -664 -113 -546 248 -278 699 -715 746 417 983 827 369 281 520 -77 -1377 327 318 -133 -847 -189 146 749 578 22 301 -1076 -515 -516
SS 20230325T155452.7Z 8484.663109 222 1 9.32 2 41.71 157.30 57.11 90.88 0.00 1 0.00 1 0 17 1.191e-02 8.954e-03 8.715e-03 5.255e-03 1.745214e-01 2.645243e-03 2.154355e-03 -6.000000e+00 6.703429e-03 226.89 -2.00 3.52 -2.00 315.51 0.00e+00 8.120081e-04 2.470680e-04 3.372353e-05 -6.000000e+00 2.901803e-04 277.66 -2.00 20.00 -2.00 314.95 0.00e+00 1.338 0.000 302.00 328.00 3 5.5732e+00 6.8079e-03 1.6083e-02 -6.0000e+00 1.6659e-02 6.0471e-02 7.5850e-03 9.0270e-03 -6.0000e+00 1.8116e-02 -9.6860e-03 4.3569e-03 4.4296e-03 -6.0000e+00 1.0760e-02 -7.6468e-04 1.9862e-03 1.3304e-03 -6.0000e+00 4.6090e-03 4.4256e-04 -5.9241e-04 1.4431e-04 1.5301e-05 -6.0000e+00 3.0895e-04 -9.3596e-04 0.0000e+00 12 9 1 12 1 1 999.00 23.56 0.50 -0.00094 -0.00539 2 3 1 5 0 3049.690 25.90 20.00 23.56 11.63 9.1 952.21 5916 -899 275 -2937 -700 -2395 362 -1031 -375 -2608 -973 -606 -148 499 -1435 509 369 -221 636 2140 -1968 395 1924 291 1226 -292 -15 -556 654 655 822 -207 1943 -2447 -2635 -2627 -1273 -137 230 -2112 -1434 800 -17 537 -386 -1296 273 33 -1794 358 492 927 1221 298 1630 555 827 863 891 150 -27 1460 1911 1136 375 93 -1427 1163 1678 -22 1080 -112 548 -54 -1986 -315 -236 -530 -2389 -1769 -1235 -1906 -1666 -1321 -610 -434 747 1553 1202 -593 186 -173 684 -1045 86 587 1097 789 -871 81 -1164 -322 -257 -990 -2073 -321 -1380 164 250 811 491 28 880 -638 -419 -616 383 69 826 -423 276 793 926 669 688 699 854 118 284 121 -307 -550 98 63 -54 268 304 80 175 -661 -450 -1029 1555 -264 78 -793 -163 -566 90 -292 -109 -778 -285 -185 -48 182 -592 216 158 -98 275 939 -893 180 892 137 593 -146 -7 -255 276 278 367 -99 968 -1220 -1204 -1243 -671 -81 154 -1566 -1107 621 -13 422 -305 -1017 203 24 -1318 262 368 724 995 253 1383 466 695 738 750 129 -23 1359 1825 1118 358 83 -1213 967 1494 -21 1107 -119 561 -55 -1860 -268 -190 -422 -2046 -1627 -1247 -2013 -1823 -1474 -730 -532 943 1974 1500 -726 213 -185 672 -1060 91 676 1343 1011 -1136 102 -1376 -364 -292 -1193 -2611 -413 -1879 228 354 1201 719 41 1229 -822 -513 -764 469 91 1128 -591 394 1105 1242 877 858 851 1012 147 365 162 -412 -745 135 93 -81 412 464 125 266 -1013 -667 -1540