File name: Pandora255s1_VirginiaBeachVA-CBBT_20251011_L2Fit_fout2c3d20240302p1-8.txt
File generation date: 20251012T050203.8Z
Data description: Level 2 spectral fitting results file
Data file version: fout2c3p1-8
Local principal investigator: John Anderson
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 255
Spectrometer number: 1
Processing software version used: BlickP v1.8.75
Instrument operation file used: Pandora255_OF_v2d20221206.txt
Instrument calibration file used: Pandora255s1_CF_v3d20240302.txt
Level 1 file used: Pandora255s1_VirginiaBeachVA-CBBT_20251011_L1_smca1c3d20240302p1-8.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: 20251011
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: 195 336
Nominal wavelengths inside fitting window [nm]: 305.1318 305.2728 305.4137 305.5546 305.6955 305.8364 305.9773 306.1182 306.2590 306.3999 306.5407 306.6815 306.8224 306.9632 307.1040 307.2447 307.3855 307.5263 307.6670 307.8078 307.9485 308.0892 308.2299 308.3706 308.5113 308.6520 308.7926 308.9333 309.0739 309.2146 309.3552 309.4958 309.6364 309.7770 309.9175 310.0581 310.1986 310.3392 310.4797 310.6202 310.7607 310.9012 311.0417 311.1822 311.3227 311.4631 311.6035 311.7440 311.8844 312.0248 312.1652 312.3056 312.4459 312.5863 312.7267 312.8670 313.0073 313.1476 313.2880 313.4282 313.5685 313.7088 313.8491 313.9893 314.1296 314.2698 314.4100 314.5502 314.6904 314.8306 314.9707 315.1109 315.2511 315.3912 315.5313 315.6714 315.8115 315.9516 316.0917 316.2318 316.3718 316.5119 316.6519 316.7920 316.9320 317.0720 317.2120 317.3519 317.4919 317.6319 317.7718 317.9117 318.0517 318.1916 318.3315 318.4714 318.6113 318.7511 318.8910 319.0308 319.1706 319.3105 319.4503 319.5901 319.7299 319.8696 320.0094 320.1492 320.2889 320.4286 320.5684 320.7081 320.8478 320.9874 321.1271 321.2668 321.4064 321.5461 321.6857 321.8253 321.9649 322.1045 322.2441 322.3837 322.5232 322.6628 322.8023 322.9418 323.0813 323.2208 323.3603 323.4998 323.6393 323.7787 323.9182 324.0576 324.1970 324.3364 324.4758 324.6152 324.7546 324.8940
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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 20251011T133918.3Z 9415.568962 302 1 19.18 2 62.96 124.24 59.66 283.63 0.00 1 0.00 1 0 17 1.041e-02 5.868e-03 3.287e-03 1.546e-03 2.768705e-01 7.936904e-04 3.268855e-03 -6.000000e+00 6.018789e-03 226.92 -2.00 3.43 -2.00 316.37 0.00e+00 6.032588e-05 9.356315e-05 6.795481e-05 -6.000000e+00 2.740035e-04 287.44 -2.00 20.00 -2.00 315.58 0.00e+00 2.187 0.000 302.00 328.00 3 4.1038e+00 2.0611e-03 2.5820e-02 -6.0000e+00 1.4894e-02 1.2283e-02 2.3098e-03 1.3844e-02 -6.0000e+00 1.6168e-02 -1.0860e-03 1.3410e-03 6.7903e-03 -6.0000e+00 9.6654e-03 -1.7987e-03 6.3089e-04 1.8974e-03 -6.0000e+00 4.1304e-03 7.1402e-04 -1.0119e-04 4.5147e-05 2.3557e-05 -6.0000e+00 2.9627e-04 5.4132e-02 0.0000e+00 12 1 1 12 1 1 95.48 25.93 0.45 0.05413 0.05337 18 5 1 5 0 1008.950 34.00 20.00 25.93 27.15 5.2 1074.23 -2335 -937 -3969 -6043 -556 2421 -613 -65 -1417 -1800 -1409 -1080 -711 -1158 647 -295 2058 293 490 2133 -246 1182 1532 1017 -164 -958 183 1075 842 1680 1480 1493 -828 -2239 -1355 477 -345 -489 -697 -638 -970 -402 -1211 -375 -359 -199 -724 -978 -50 650 648 296 806 207 608 895 304 658 733 982 1482 1352 992 -5 -342 208 341 1107 847 -334 -31 -45 -280 139 -136 54 -41 384 -209 -962 -1119 -1851 -1710 -907 -964 -168 -347 -303 -100 236 841 359 1046 497 316 438 255 -459 -611 -155 -356 51 258 -336 -1202 -459 -388 -54 462 55 -28 162 199 271 844 818 440 -19 -76 -363 -185 28 234 538 339 -34 1064 606 216 83 -290 82 44 -9 -258 -19 152 -278 -300 -381 -44 -241 -418 -170 -708 -1085 -90 396 -116 -13 -293 -376 -301 -255 -178 -333 202 -92 650 98 170 743 -88 423 577 408 -65 -381 73 400 308 641 574 627 -368 -964 -565 210 -167 -268 -422 -404 -649 -276 -805 -260 -249 -135 -484 -645 -33 447 455 222 602 162 483 722 247 522 577 793 1217 1156 907 -5 -299 175 280 955 788 -318 -31 -45 -269 130 -119 45 -34 315 -184 -926 -1145 -1968 -1842 -1034 -1136 -201 -429 -374 -120 270 907 371 1083 524 354 527 317 -592 -781 -192 -421 59 304 -415 -1538 -591 -523 -74 653 79 -41 238 283 364 1097 1057 575 -26 -107 -524 -264 39 320 720 447 -43 1380 814 303 119 -417 120 65 -14 -413 -31 248 -459 -483 -608 -67 -373
SS 20251011T135031.0Z 9415.576747 305 1 48.54 2 61.14 126.62 61.75 284.95 0.00 1 0.00 1 0 17 9.260e-03 5.844e-03 1.289e-03 6.911e-04 2.597327e-01 3.551529e-04 3.088867e-03 -6.000000e+00 5.354357e-03 226.92 -2.00 3.43 -2.00 316.02 0.00e+00 1.096050e-04 3.874231e-05 4.477042e-05 -6.000000e+00 2.437363e-04 287.43 -2.00 20.00 -2.00 315.26 0.00e+00 2.062 0.000 302.00 328.00 3 3.6442e+00 9.1731e-04 2.4318e-02 -6.0000e+00 1.3249e-02 4.3391e-03 1.0263e-03 1.3021e-02 -6.0000e+00 1.4383e-02 1.2588e-03 5.9111e-04 6.3864e-03 -6.0000e+00 8.5983e-03 -1.8668e-03 2.7275e-04 1.7839e-03 -6.0000e+00 3.6746e-03 1.3166e-03 -2.7255e-05 2.0142e-05 2.3101e-05 -6.0000e+00 2.6355e-04 5.3677e-02 0.0000e+00 12 1 1 12 1 1 99.19 25.97 0.34 0.05368 0.05347 85 9 1 5 0 564.340 34.00 20.00 25.97 27.32 5.1 1076.02 -1976 -1333 -3412 -5123 -1861 170 -368 398 -827 -1086 -680 -196 -594 344 511 -291 1129 440 754 1894 423 1832 1044 818 246 -199 331 433 958 1608 1352 1899 -790 -2250 -950 -404 -638 -585 -714 -1157 -1003 -712 -979 -449 -495 -508 -713 -752 126 609 541 450 636 375 655 726 315 486 868 1020 1343 1249 1097 17 -255 194 262 1046 749 -162 99 -97 62 27 27 21 1 297 -287 -853 -1245 -1838 -1448 -888 -854 -467 -463 -234 90 154 465 461 1069 656 294 547 375 -269 -459 -380 -499 116 326 -555 -1067 -557 -487 -246 295 129 33 34 161 219 598 776 439 193 -194 -505 -191 119 265 481 574 485 1135 726 324 122 -135 -35 120 -61 -215 -138 149 -376 -214 -225 -280 -350 -432 -297 -738 -1101 -367 34 -83 92 -205 -270 -172 -55 -177 116 177 -107 425 163 287 729 165 717 433 360 107 -87 144 177 379 663 605 858 -378 -1043 -424 -193 -335 -331 -449 -769 -701 -511 -682 -325 -357 -361 -495 -513 85 431 393 347 494 302 538 582 253 400 706 817 1147 1115 1005 16 -230 168 220 888 690 -159 98 -97 62 26 24 18 1 248 -259 -810 -1266 -1946 -1556 -1012 -1011 -565 -561 -284 109 177 504 489 1091 705 327 653 467 -348 -589 -472 -588 132 383 -688 -1370 -724 -644 -332 411 185 48 50 222 294 773 993 570 262 -273 -713 -274 165 364 644 752 606 1412 936 438 169 -193 -49 177 -93 -335 -216 238 -606 -338 -351 -431 -528