File name: Pandora156s1_HamptonVA-HU_20240327_L2Fit_fout2c5d20220209p1-8.txt File generation date: 20240912T204056.9Z Data description: Level 2 spectral fitting results file Data file version: fout2c5p1-8 Local principal investigator: Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 156 Spectrometer number: 1 Processing software version used: BlickP v1.8.59 Instrument operation file used: Pandora156_OF_v2d20211021.txt Instrument calibration file used: Pandora156s1_CF_v5d20220209.txt Level 1 file used: Pandora156s1_HamptonVA-HU_20240327_L1_smca1c5d20220209p1-8.txt Full location name: Hampton University Short location name: HamptonVA-HU Country of location: United States Location latitude [deg]: 37.0203 Location longitude [deg]: -76.3366 Location altitude [m]: 19 Local noon date: 20240327 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 2 "AnaLab+Fld 1.8 VP 20220209" First and last pixel inside fitting window: 221 364 Nominal wavelengths inside fitting window [nm]: 305.0425 305.1828 305.3231 305.4633 305.6035 305.7438 305.8840 306.0242 306.1644 306.3045 306.4447 306.5849 306.7250 306.8651 307.0053 307.1454 307.2855 307.4256 307.5656 307.7057 307.8457 307.9858 308.1258 308.2658 308.4058 308.5458 308.6858 308.8258 308.9658 309.1057 309.2456 309.3856 309.5255 309.6654 309.8053 309.9452 310.0850 310.2249 310.3647 310.5046 310.6444 310.7842 310.9240 311.0638 311.2036 311.3433 311.4831 311.6228 311.7626 311.9023 312.0420 312.1817 312.3214 312.4611 312.6007 312.7404 312.8800 313.0196 313.1593 313.2989 313.4385 313.5780 313.7176 313.8572 313.9967 314.1363 314.2758 314.4153 314.5548 314.6943 314.8338 314.9732 315.1127 315.2521 315.3916 315.5310 315.6704 315.8098 315.9492 316.0885 316.2279 316.3673 316.5066 316.6459 316.7852 316.9246 317.0638 317.2031 317.3424 317.4817 317.6209 317.7601 317.8994 318.0386 318.1778 318.3170 318.4561 318.5953 318.7345 318.8736 319.0127 319.1518 319.2910 319.4301 319.5691 319.7082 319.8473 319.9863 320.1254 320.2644 320.4034 320.5424 320.6814 320.8204 320.9593 321.0983 321.2372 321.3762 321.5151 321.6540 321.7929 321.9318 322.0706 322.2095 322.3484 322.4872 322.6260 322.7648 322.9036 323.0424 323.1812 323.3200 323.4587 323.5975 323.7362 323.8749 324.0136 324.1523 324.2910 324.4297 324.5684 324.7070 324.8456 324.9843 --------------------------------------------------------------------------------------- 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 100-243: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 244-387: 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 20240327T133929.4Z 8852.569090 315 1 2.21 2 59.12 112.11 110.48 267.35 0.00 1 0.00 1 0 17 1.596e-02 9.036e-03 1.503e-02 5.470e-03 2.433487e-01 2.807094e-03 2.858721e-03 -6.000000e+00 9.307366e-03 227.63 -2.00 3.43 -2.00 317.05 0.00e+00 2.498870e-04 3.771631e-04 5.386342e-05 -6.000000e+00 4.086871e-04 281.21 -2.00 20.00 -2.00 316.35 0.00e+00 1.941 0.000 302.00 328.00 3 3.2890e+00 7.3738e-03 2.2911e-02 -6.0000e+00 2.3111e-02 3.2878e-02 8.2694e-03 1.2259e-02 -6.0000e+00 2.5097e-02 -6.3465e-03 4.8718e-03 5.9971e-03 -6.0000e+00 1.4950e-02 -1.1718e-03 2.3234e-03 1.6823e-03 -6.0000e+00 6.2554e-03 2.1306e-03 -3.2584e-04 1.6777e-04 2.1118e-05 -6.0000e+00 4.6023e-04 -2.0134e-02 4.2636e-05 12 9 1 12 1 1 999.00 22.51 0.45 -0.02013 -0.02258 2 17 1 5 0 734.730 25.58 19.96 22.51 14.21 18.5 999.40 -3093 -6234 -7212 160 875 1084 -8116 1365 -997 -1404 1064 2677 -1391 654 787 1123 -2922 3132 -30 -684 -1476 -308 1233 -2761 2519 1359 -1041 -1243 387 196 -453 317 2003 1544 491 448 -770 -467 737 -243 -1866 234 -399 -1048 -1117 -856 522 -760 312 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-137 309 2049 1266 1207 1522 879 -29 985 -1064 560 352 -12 73 -488 -94 356 -1258 95 -1062 -1002 SS 20240327T141042.9Z 8852.590774 333 1 47.32 2 53.48 118.59 116.56 271.81 0.00 1 0.00 1 0 17 1.478e-02 6.055e-03 7.829e-03 2.662e-03 2.074455e-01 1.356696e-03 2.445508e-03 -6.000000e+00 8.623147e-03 227.63 -2.00 3.43 -2.00 317.36 0.00e+00 3.335188e-04 1.953072e-04 4.644591e-05 -6.000000e+00 3.783955e-04 281.22 -2.00 20.00 -2.00 316.65 0.00e+00 1.676 0.000 302.00 328.00 3 4.2106e+00 3.5836e-03 1.9726e-02 -6.0000e+00 2.1412e-02 3.4918e-02 4.0331e-03 1.0481e-02 -6.0000e+00 2.3248e-02 4.4365e-03 2.3884e-03 5.1348e-03 -6.0000e+00 1.3849e-02 -6.3899e-03 1.1434e-03 1.4668e-03 -6.0000e+00 5.7977e-03 1.1656e-03 5.1309e-04 8.2978e-05 1.8235e-05 -6.0000e+00 4.2612e-04 -2.0534e-02 1.9281e-04 10 0 0 10 0 0 99.94 22.51 0.25 -0.02053 -0.01668 80 22 1 5 0 591.280 25.58 20.05 22.51 15.04 18.6 1007.29 -378 -3233 -1453 -3554 -4391 156 3774 3309 10367 -869 -1846 -735 -307 -5150 -1063 1734 -178 361 69 -2292 1986 -1272 -526 -652 93 -338 -66 -1399 616 1927 369 1514 1663 1389 -2206 -1392 -1006 1376 -509 1483 -568 -960 -1507 -95 -1591 -3 -654 -781 -1053 -794 353 425 1019 656 1509 80 1104 199 289 602 1162 1503 1737 1210 1286 -112 40 -737 -402 791 1192 66 -306 328 -560 242 -285 122 -200 866 -1357 -1137 -940 -1242 -875 -1150 -102 -243 39 -885 76 1000 40 -38 1103 684 275 590 83 350 -247 -385 -713 -118 -748 -118 -1093 -274 -503 -166 -114 290 -102 -52 -5 -264 460 26 317 -201 -27 -400 210 298 664 568 1253 685 876 380 438 586 157 -135 93 -52 62 281 -299 -45 -262 -231 -311 -749 -47 -457 -208 -498 -559 18 415 402 1306 -130 -281 -110 -49 -970 -217 378 -42 86 17 -598 509 -336 -139 -178 26 -100 -20 -407 163 480 94 405 475 415 -663 -424 -316 476 -198 665 -291 -524 -855 -54 -917 -2 -366 -425 -597 -442 198 251 635 431 1018 56 777 142 204 418 811 1095 1358 1016 1108 -94 31 -535 -291 617 1030 61 -295 309 -509 201 -213 83 -133 611 -1094 -1014 -908 -1271 -941 -1330 -124 -310 51 -1150 93 1117 41 -36 1023 675 300 707 109 472 -325 -474 -821 -132 -880 -148 -1463 -380 -730 -253 -182 478 -168 -81 -7 -353 580 33 422 -288 -40 -622 320 441 939 763 1588 837 1080 496 606 845 232 -204 146 -86 107 500 -546 -82 -469 -401 -522 -1248 SS 20240327T142614.4Z 8852.601556 346 1 1.63 2 50.80 122.14 119.57 274.10 0.00 1 0.00 1 0 17 1.371e-02 7.322e-03 1.233e-02 6.363e-03 1.978120e-01 3.283614e-03 2.362061e-03 -6.000000e+00 7.991917e-03 227.63 -2.00 3.43 -2.00 316.04 0.00e+00 2.725387e-04 3.479811e-04 4.747150e-05 -6.000000e+00 3.509385e-04 281.22 -2.00 20.00 -2.00 315.38 0.00e+00 1.579 0.000 302.00 328.00 3 3.5222e+00 8.5083e-03 1.8650e-02 -6.0000e+00 1.9844e-02 3.3789e-02 9.4970e-03 9.9885e-03 -6.0000e+00 2.1550e-02 4.4018e-04 5.4598e-03 4.8968e-03 -6.0000e+00 1.2837e-02 -3.0295e-03 2.4794e-03 1.3830e-03 -6.0000e+00 5.3712e-03 2.6005e-03 -6.9081e-04 1.9261e-04 1.8232e-05 -6.0000e+00 3.9520e-04 -2.0204e-02 3.2522e-05 12 9 1 12 1 1 999.00 22.51 0.41 -0.02020 -0.02540 1 16 1 5 0 812.300 25.58 19.98 22.51 15.27 18.6 1008.65 814 -3353 7635 -4076 -3415 -4372 1986 -3594 1400 2570 -765 1021 -1825 -701 -1276 -237 -636 323 -1047 419 -1371 2455 747 533 -549 1228 794 2246 -274 -1119 3219 56 1235 1988 -1161 -1572 616 -2238 212 -702 3 -1614 -732 65 -1237 -1539 -2041 -351 -388 948 -746 1540 -156 1992 1348 840 771 212 159 1583 1013 1027 2076 222 596 72 924 -830 678 -387 972 249 -417 21 -524 185 -486 -79 -2032 190 -1152 -1263 -919 -1198 -1380 -762 -523 -221 -275 -45 623 -263 -288 -14 579 537 1058 705 560 350 565 -281 -34 574 313 -765 -878 -306 301 -975 -264 -282 540 146 -516 -612 -646 94 590 640 -384 -185 18 117 368 712 1129 480 1074 755 277 214 82 143 -388 -298 -509 194 375 -419 30 -476 -279 -340 168 -748 1664 -904 -716 -854 368 -773 318 615 -190 247 -484 -194 -400 -81 -228 118 -398 161 -550 947 294 217 -237 542 355 948 -110 -431 1192 23 525 875 -512 -662 262 -1103 114 -426 2 -1174 -518 46 -893 -1164 -1529 -251 -269 634 -516 1098 -120 1568 1054 673 629 175 130 1257 817 867 1864 207 568 66 807 -690 555 -348 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