File name: Pandora204s1_BoulderCO-NCAR_20210930_L2Fit_fout2c2d20210826p1-8.txt File generation date: 20250127T104155.8Z Data description: Level 2 spectral fitting results file Data file version: fout2c2p1-8 Local principal investigator: --- Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 204 Spectrometer number: 1 Processing software version used: BlickP v1.8.70 Instrument operation file used: Pandora204_OF_v2d20210322.txt Instrument calibration file used: Pandora204s1_CF_v2d20210826.txt Level 1 file used: Pandora204s1_BoulderCO-NCAR_20210930_L1_smca1c2d20210826p1-8.txt Full location name: National Center for Atmospheric Research Short location name: BoulderCO-NCAR Country of location: United States Location latitude [deg]: 40.0375 Location longitude [deg]: -105.2420 Location altitude [m]: 1616 Local noon date: 20210930 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: None First and last pixel inside fitting window: 232 374 Nominal wavelengths inside fitting window [nm]: 305.0564 305.1973 305.3381 305.4790 305.6198 305.7606 305.9014 306.0422 306.1829 306.3237 306.4645 306.6052 306.7459 306.8866 307.0273 307.1680 307.3087 307.4494 307.5901 307.7307 307.8713 308.0120 308.1526 308.2932 308.4338 308.5743 308.7149 308.8555 308.9960 309.1365 309.2771 309.4176 309.5581 309.6985 309.8390 309.9795 310.1199 310.2604 310.4008 310.5412 310.6816 310.8220 310.9624 311.1028 311.2431 311.3835 311.5238 311.6641 311.8044 311.9447 312.0850 312.2253 312.3656 312.5058 312.6461 312.7863 312.9265 313.0667 313.2069 313.3471 313.4873 313.6274 313.7676 313.9077 314.0478 314.1879 314.3280 314.4681 314.6082 314.7483 314.8883 315.0284 315.1684 315.3084 315.4484 315.5884 315.7284 315.8684 316.0083 316.1483 316.2882 316.4281 316.5681 316.7080 316.8478 316.9877 317.1276 317.2674 317.4073 317.5471 317.6869 317.8267 317.9665 318.1063 318.2461 318.3859 318.5256 318.6654 318.8051 318.9448 319.0845 319.2242 319.3639 319.5035 319.6432 319.7828 319.9225 320.0621 320.2017 320.3413 320.4809 320.6205 320.7600 320.8996 321.0391 321.1786 321.3182 321.4577 321.5971 321.7366 321.8761 322.0156 322.1550 322.2944 322.4339 322.5733 322.7127 322.8520 322.9914 323.1308 323.2701 323.4095 323.5488 323.6881 323.8274 323.9667 324.1060 324.2453 324.3845 324.5238 324.6630 324.8022 324.9414 --------------------------------------------------------------------------------------- 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 --------------------------------------------------------------------------------------- SS 20210930T201434.9Z 7943.843460 506 1 49.28 2 47.25 209.09 73.59 288.06 0.00 1 0.00 1 0 17 8.897e-03 6.758e-03 1.280e-03 6.773e-04 1.913456e-01 3.424466e-04 2.267890e-03 -6.000000e+00 5.072325e-03 226.69 -2.00 3.45 -2.00 315.99 0.00e+00 5.127561e-04 3.305357e-05 2.661115e-05 -6.000000e+00 2.051790e-04 277.79 -2.00 20.00 -2.00 315.68 0.00e+00 1.471 0.000 302.00 328.00 3 7.5569e+00 8.8684e-04 1.5478e-02 -6.0000e+00 1.2666e-02 3.0803e-02 9.9106e-04 9.4871e-03 -6.0000e+00 1.3815e-02 -2.4912e-03 5.7223e-04 4.7127e-03 -6.0000e+00 8.1292e-03 -2.4446e-03 2.6108e-04 1.3468e-03 -6.0000e+00 3.3909e-03 6.6215e-05 7.1520e-05 1.9356e-05 1.6320e-05 -6.0000e+00 2.4265e-04 -1.0645e-03 4.2241e-05 11 8 0 10 0 0 99.74 18.38 0.25 -0.00106 -0.00053 90 20 1 5 0 547.440 21.27 15.00 18.38 20.92 5.1 862.49 -68 -87 -62 -2545 -1657 -1170 -283 -259 209 -1479 -2218 -900 -480 -128 356 -235 544 873 972 1817 363 1156 1572 790 617 651 -554 -664 -263 332 797 1005 1348 -2270 -2426 -1931 -2442 -914 -631 -866 -908 -406 -315 -563 360 -180 -554 -318 -1010 156 574 363 1039 1006 548 1182 550 253 445 457 1211 1371 1778 1429 -129 -17 -453 -517 1132 447 360 449 371 678 -162 -317 -1039 -1224 -844 -1635 -1540 -1545 -2370 -1305 -738 -599 242 379 754 440 540 -168 -380 106 -114 -85 474 1059 61 -168 -409 -898 -486 -26 -1244 -822 -697 -520 333 670 827 407 508 102 -153 -68 -178 -127 242 -67 -33 417 464 345 631 -33 -13 786 151 14 -179 -258 -221 253 79 -59 417 397 133 -44 -238 -773 -742 -14 -20 -14 -612 -350 -230 -57 -59 52 -390 -578 -232 -134 -40 114 -82 194 317 363 692 142 445 608 321 263 286 -244 -275 -100 133 329 401 571 -1015 -1019 -781 -1066 -456 -374 -595 -624 -289 -229 -414 261 -130 -393 -217 -731 110 421 259 777 785 441 958 455 209 359 367 992 1196 1666 1417 -129 -16 -380 -416 943 421 372 447 370 707 -160 -281 -833 -1002 -707 -1404 -1477 -1626 -2469 -1406 -844 -734 311 467 927 565 641 -182 -406 107 -120 -90 553 1351 77 -227 -520 -1055 -539 -30 -1557 -1087 -891 -691 459 970 1251 623 744 139 -206 -85 -221 -163 333 -93 -47 586 634 489 844 -43 -15 934 191 19 -252 -371 -299 352 117 -92 663 645 219 -72 -372 -1176 -1102 SS 20210930T202654.0Z 7943.852013 515 1 21.11 2 48.47 212.90 75.76 289.74 0.00 1 0.00 1 0 17 9.780e-03 7.420e-03 4.055e-03 2.225e-03 1.970134e-01 1.123251e-03 2.341701e-03 -6.000000e+00 5.575368e-03 226.69 -2.00 3.45 -2.00 315.80 0.00e+00 6.734683e-04 1.048585e-04 2.581251e-05 -6.000000e+00 2.255253e-04 277.79 -2.00 20.00 -2.00 315.50 0.00e+00 1.506 0.000 302.00 328.00 3 9.0420e+00 2.9039e-03 1.5885e-02 -6.0000e+00 1.3922e-02 4.0475e-02 3.2399e-03 9.7779e-03 -6.0000e+00 1.5185e-02 -1.5094e-03 1.8673e-03 4.8562e-03 -6.0000e+00 8.9354e-03 -2.7876e-03 8.4995e-04 1.3837e-03 -6.0000e+00 3.7272e-03 1.4338e-05 1.1157e-04 6.3339e-05 1.6961e-05 -6.0000e+00 2.6671e-04 -1.0549e-03 4.4622e-05 12 9 1 12 1 1 99.78 18.37 0.31 -0.00105 -0.00022 8 5 1 5 0 2325.930 21.27 15.00 18.37 21.53 5.1 867.73 111 -506 510 -2917 -1773 -2180 -1050 1304 103 -563 -2387 -651 -1298 -744 1782 427 860 1422 856 623 -3 1150 2038 1061 575 -159 -480 -835 -291 1028 405 415 1388 -2080 -1974 -1975 -3080 -1035 -599 -1130 -656 247 -784 -573 465 -231 -161 -429 -848 -679 528 375 716 528 889 1125 854 207 48 578 1254 1610 1725 1652 316 -27 -422 -484 841 516 196 1008 305 319 -234 -370 -1153 -2212 -551 -1847 -1402 -1615 -2202 -1320 -671 -427 204 665 1097 530 753 124 -595 217 -492 -491 734 979 80 -43 -345 -1125 -749 -247 -1026 -1007 -542 -639 348 690 1021 537 532 128 -182 -404 -279 -130 27 227 -230 392 406 536 502 -176 -301 1065 10 51 -208 -189 204 274 -140 54 599 547 -47 57 -339 -690 -934 25 -125 126 -702 -381 -445 -220 296 26 -148 -628 -170 -369 -234 608 158 327 550 341 256 -1 473 839 457 259 -74 -222 -369 -121 410 167 181 634 -994 -897 -873 -1460 -544 -361 -764 -472 182 -594 -436 351 -175 -119 -312 -603 -481 382 284 561 429 733 938 721 175 40 480 1059 1420 1605 1598 307 -25 -365 -407 728 487 197 1042 317 324 -228 -336 -976 -1802 -452 -1651 -1351 -1664 -2375 -1460 -771 -513 254 842 1389 659 890 138 -623 219 -513 -545 863 1224 105 -56 -430 -1338 -858 -288 -1269 -1294 -714 -865 481 987 1498 795 769 177 -238 -506 -347 -165 36 315 -328 555 565 726 658 -224 -371 1294 13 67 -283 -261 283 388 -206 82 922 855 -74 88 -520 -1037 -1386 SS 20210930T221204.5Z 7943.925052 580 1 49.37 2 63.10 239.52 93.11 305.10 0.00 1 0.00 1 0 17 1.259e-02 6.431e-03 3.644e-03 9.349e-04 2.802736e-01 4.670572e-04 3.285604e-03 -6.000000e+00 7.176191e-03 226.69 -2.00 3.45 -2.00 317.75 0.00e+00 7.925769e-04 6.921437e-05 6.865298e-05 -6.000000e+00 2.902885e-04 277.78 -2.00 20.00 -2.00 317.43 0.00e+00 2.198 0.000 302.00 328.00 3 7.2702e+00 1.2358e-03 2.2986e-02 -6.0000e+00 1.7919e-02 1.5627e-02 1.3871e-03 1.3972e-02 -6.0000e+00 1.9545e-02 1.3341e-03 8.7963e-04 6.9804e-03 -6.0000e+00 1.1501e-02 -4.0920e-03 4.4846e-04 2.0202e-03 -6.0000e+00 4.7975e-03 4.1904e-05 2.7241e-05 2.7242e-05 2.2169e-05 -6.0000e+00 3.4330e-04 -1.0854e-03 4.2896e-05 11 8 0 10 0 0 99.90 18.35 0.25 -0.00109 -0.00088 101 22 1 5 0 488.700 21.27 15.00 18.35 21.31 5.0 864.08 -844 -525 -1096 -4259 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