File name: Pandora40s1_WallopsIslandVA_20250118_L2Fit_fout2c11d20230901p1-8.txt
File generation date: 20250119T171546.7Z
Data description: Level 2 spectral fitting results file
Data file version: fout2c11p1-8
Local principal investigator: 
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 40
Spectrometer number: 1
Processing software version used: BlickP v1.8.70
Instrument operation file used: Pandora40_OF_v2d20230731.txt
Instrument calibration file used: Pandora40s1_CF_v11d20230901.txt
Level 1 file used: Pandora40s1_WallopsIslandVA_20250118_L1_smca1c11d20230901p1-8.txt
Full location name: Wallops Island X-75 Station, Wallops Flight Facility Geophysical Observatory
Short location name: WallopsIslandVA
Country of location: USA
Location latitude [deg]: 37.8439
Location longitude [deg]: -75.4775
Location altitude [m]: 11
Local noon date: 20250118
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: OoB session based on session 10
First and last pixel inside fitting window: 228 370
Nominal wavelengths inside fitting window [nm]: 305.0793 305.2203 305.3612 305.5021 305.6430 305.7838 305.9247 306.0656 306.2064 306.3472 306.4881 306.6289 306.7697 306.9105 307.0512 307.1920 307.3328 307.4735 307.6142 307.7550 307.8957 308.0364 308.1771 308.3177 308.4584 308.5990 308.7397 308.8803 309.0209 309.1615 309.3021 309.4427 309.5833 309.7239 309.8644 310.0050 310.1455 310.2860 310.4265 310.5670 310.7075 310.8479 310.9884 311.1289 311.2693 311.4097 311.5501 311.6905 311.8309 311.9713 312.1117 312.2520 312.3924 312.5327 312.6730 312.8133 312.9536 313.0939 313.2342 313.3745 313.5147 313.6550 313.7952 313.9354 314.0756 314.2158 314.3560 314.4962 314.6363 314.7765 314.9166 315.0568 315.1969 315.3370 315.4771 315.6171 315.7572 315.8973 316.0373 316.1773 316.3174 316.4574 316.5974 316.7374 316.8773 317.0173 317.1573 317.2972 317.4371 317.5770 317.7170 317.8568 317.9967 318.1366 318.2765 318.4163 318.5561 318.6960 318.8358 318.9756 319.1154 319.2551 319.3949 319.5347 319.6744 319.8141 319.9539 320.0936 320.2333 320.3729 320.5126 320.6523 320.7919 320.9316 321.0712 321.2108 321.3504 321.4900 321.6296 321.7691 321.9087 322.0482 322.1878 322.3273 322.4668 322.6063 322.7458 322.8852 323.0247 323.1641 323.3036 323.4430 323.5824 323.7218 323.8612 324.0006 324.1399 324.2793 324.4186 324.5580 324.6973 324.8366 324.9759
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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 100-242: 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
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SS 20250118T165124.8Z 9149.702371 416 1 49.24 2 58.44 174.20 112.79 291.83 0.00 1 0.00 1 0 33 2.529e-02 1.932e-02 5.041e-03 1.375e-03 2.407886e-01 7.062679e-04 2.906914e-03 -6.000000e+00 1.474198e-02 224.16 -2.00 3.45 -2.00 317.75 0.00e+00 1.126254e-03 1.118313e-04 3.687558e-04 -6.000000e+00 6.444165e-04 277.97 -2.00 20.00 -2.00 317.12 0.00e+00 1.904 0.000 302.00 328.00 3 3.6456e+00 1.8586e-03 2.2378e-02 -6.0000e+00 3.6376e-02 -2.6046e-02 2.0864e-03 1.2034e-02 -6.0000e+00 3.9463e-02 2.1781e-02 1.3036e-03 5.9786e-03 -6.0000e+00 2.3500e-02 -9.7521e-03 6.6571e-04 1.7184e-03 -6.0000e+00 1.0125e-02 1.5720e-03 -6.9894e-03 4.1995e-05 2.1189e-05 -6.0000e+00 7.2730e-04 -1.1204e-01 -7.3143e-05 12 8 8 10 0 0 99.85 19.98 0.18 -0.11204 -0.16456 58 13 1 5 0 848.820 24.96 20.00 19.98 12.79 6.4 1086.88 900000 1959 128 4070 -1224 -3849 -8288 -3101 -220 4968 2630 -3512 -4807 -4529 -465 1520 3453 -153 1212 1505 2559 2518 546 -879 492 2291 1836 1883 -1102 -2812 -4285 -1452 -161 2740 1280 -3297 -7728 -7163 -2956 -857 1430 929 1370 236 726 149 599 158 -1180 -1355 -2714 -910 366 1691 1216 1149 150 1334 618 -576 -864 -1040 857 2134 4341 3479 745 -3668 -4724 -3146 1318 2008 1907 1654 1197 762 -1948 -4132 -7038 -5739 -2620 -821 -235 -522 -1483 -883 1063 2030 3023 2229 2740 1244 -523 -3490 -4262 -2728 -1047 428 1676 3356 2298 -143 -3326 -4410 -2893 145 194 -213 -494 -207 1392 2372 3043 1612 271 -2089 -3229 -2922 -1639 -127 1534 1922 1116 841 403 457 -495 -2360 -3091 -398 841 1059 -287 -1541 -1124 176 1071 513 896 1000 676 -341 -1700 900000 176 13 398 -119 -352 -751 -280 -22 512 290 -411 -589 -612 -70 253 617 -30 241 310 541 544 120 -199 115 558 463 472 -271 -670 -1016 -352 -42 742 358 -925 -2227 -2199 -1017 -341 634 448 694 124 384 79 318 83 -616 -699 -1423 -492 208 1003 754 734 99 880 409 -381 -574 -711 616 1623 3410 2738 569 -2716 -3467 -2406 1072 1746 1723 1500 1058 640 -1536 -3066 -5136 -4313 -2100 -717 -221 -521 -1558 -973 1222 2423 3668 2710 3238 1409 -559 -3567 -4293 -2827 -1157 508 2121 4392 3010 -181 -4066 -5279 -3511 182 256 -293 -703 -305 2131 3735 4810 2504 404 -2973 -4445 -3996 -2299 -186 2318 2961 1719 1271 593 649 -682 -3188 -4207 -556 1228 1604 -447 -2463 -1850 300 1874 921 1628 1822 1221 -604 -2965