File name: Pandora255s1_VirginiaBeachVA-CBBT_20250909_L2Fit_fout2c3d20240302p1-8.txt
File generation date: 20250910T051447.7Z
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_20250909_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: 20250909
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 20250909T120328.4Z 9383.502413 253 1 4.69 2 74.59 95.30 83.15 271.64 0.00 1 0.00 1 0 25 6.908e-02 7.024e-03 1.627e-02 2.247e-03 4.695704e-01 1.161492e-03 5.380969e-03 -6.000000e+00 4.036961e-02 229.80 -2.00 3.43 -2.00 318.57 0.00e+00 7.437651e-04 2.482784e-04 2.739063e-04 -6.000000e+00 1.843608e-03 290.65 -2.00 20.00 -2.00 317.69 0.00e+00 3.693 0.001 302.00 328.00 3 1.7248e+00 3.1872e-03 4.3943e-02 -6.0000e+00 1.0047e-01 3.1351e-02 3.6580e-03 2.3953e-02 -6.0000e+00 1.0878e-01 -4.5987e-02 2.4774e-03 1.1630e-02 -6.0000e+00 6.5003e-02 1.7692e-02 1.2937e-03 3.2532e-03 -6.0000e+00 2.7690e-02 1.3932e-03 -2.4233e-04 6.4106e-05 3.6628e-05 -6.0000e+00 1.9679e-03 5.5326e-02 0.0000e+00 12 9 1 12 1 1 74.58 24.38 0.32 0.05533 0.05351 23 27 1 5 0 195.220 32.00 20.00 24.38 25.32 5.1 1061.21 -12592 -27233 -20073 -38064 -30957 -16103 -27938 -21033 -10654 -14623 -18257 -16282 -11458 -6377 -4621 -4434 2230 -579 -1497 524 1749 46 410 540 -2966 -1552 -1532 -3616 -866 -548 1486 284 -1912 -1318 -1875 -205 586 -39 1258 -431 -73 -546 949 22 872 917 633 67 1228 1056 1238 500 921 866 1305 831 433 753 463 1062 2406 2069 1697 521 513 659 459 1092 511 -431 13 -143 228 244 49 -488 -316 -313 -526 -1674 -1584 -2255 -1450 -890 -944 -833 -545 25 237 367 524 247 669 613 238 203 224 -770 -767 -176 -565 276 226 -831 -1106 -1155 -541 -98 293 41 28 267 305 267 584 984 612 367 -156 -265 -272 190 276 489 455 747 1233 963 354 113 33 36 73 12 -360 -78 57 -506 -282 -321 -305 -279 -458 -1217 -813 -1701 -1248 -596 -1322 -1050 -518 -769 -1076 -1109 -906 -577 -433 -456 232 -66 -182 64 213 6 56 80 -481 -252 -240 -557 -133 -94 285 57 -414 -275 -389 -45 152 -11 432 -157 -28 -222 389 9 365 385 269 29 513 478 615 255 502 468 728 479 250 426 260 610 1478 1338 1143 367 348 451 317 768 390 -349 11 -121 184 191 36 -336 -225 -227 -419 -1480 -1438 -2241 -1453 -910 -1033 -924 -622 29 259 390 535 248 669 637 259 242 279 -1009 -1004 -222 -678 319 264 -1018 -1393 -1532 -730 -137 432 64 44 410 458 387 827 1388 876 561 -244 -420 -420 283 408 712 635 1034 1736 1395 550 185 55 60 128 22 -657 -146 108 -968 -521 -580 -540 -495
SS 20250909T133105.9Z 9383.563263 281 1 54.58 2 57.58 110.35 99.58 284.83 0.00 1 0.00 1 0 17 1.175e-02 6.004e-03 3.492e-03 1.519e-03 2.456653e-01 7.836662e-04 2.866215e-03 -6.000000e+00 6.869265e-03 229.80 -2.00 3.43 -2.00 316.60 0.00e+00 -2.169105e-04 9.754559e-05 8.496861e-05 -6.000000e+00 3.135921e-04 290.65 -2.00 20.00 -2.00 315.74 0.00e+00 1.859 0.000 302.00 328.00 3 5.2837e+00 2.0535e-03 2.2359e-02 -6.0000e+00 1.7096e-02 2.6563e-02 2.3015e-03 1.2422e-02 -6.0000e+00 1.8509e-02 -3.2493e-03 1.3388e-03 6.0341e-03 -6.0000e+00 1.1060e-02 -6.0273e-04 6.3316e-04 1.6727e-03 -6.0000e+00 4.7130e-03 3.1461e-04 7.8460e-05 4.4701e-05 1.9910e-05 -6.0000e+00 3.3476e-04 5.3262e-02 0.0000e+00 10 0 0 10 0 0 100.00 24.53 0.37 0.05326 0.05385 178 17 1 5 0 306.590 32.25 20.00 24.53 27.79 5.2 1080.69 -46 -547 -4870 -6494 -484 921 -4030 36 1398 806 -2091 -2227 -984 -854 445 -1034 2841 -344 -504 2413 -171 2246 1784 1614 -235 -357 1088 -1615 851 888 1805 1397 -1037 -1669 -2259 872 -813 -70 -876 -414 -873 -832 -1019 -386 -556 677 -1269 -1340 701 649 1016 -39 662 513 671 580 -181 757 433 1342 1439 1244 1337 -50 -267 375 -116 1308 511 -463 -129 495 261 -34 431 -469 -309 -171 -456 -984 -1243 -1585 -1705 -766 -688 166 -297 -270 4 183 295 429 887 349 156 926 339 -504 -473 -78 -236 206 221 -664 -949 -799 -537 145 279 -14 183 -290 -23 199 545 783 537 243 -67 -157 -327 -133 518 613 169 385 993 780 357 -79 -136 47 47 -328 -134 88 233 -207 -196 -210 -412 -362 -8 -95 -838 -1022 -68 133 -682 7 264 153 -415 -486 -241 -216 122 -301 822 -107 -162 767 -56 725 608 583 -90 -136 387 -550 275 298 647 541 -422 -652 -864 348 -383 -36 -527 -251 -560 -548 -679 -255 -366 432 -803 -830 461 412 687 -28 500 401 535 471 -148 602 343 1081 1148 1076 1226 -46 -231 298 -97 1055 466 -437 -127 486 248 -32 370 -395 -245 -140 -388 -945 -1231 -1685 -1908 -850 -818 207 -361 -329 5 212 331 440 873 361 177 1090 417 -662 -615 -102 -282 233 257 -838 -1200 -1055 -739 208 401 -21 280 -430 -32 266 725 1030 694 338 -94 -226 -467 -184 727 816 228 494 1267 1058 489 -114 -202 67 69 -516 -210 142 382 -343 -317 -329 -655 -564