File name: Pandora214s1_Songkhla_20250119_L2Fit_fwvt1c4d20240531p1-8.txt File generation date: 20250120T001947.0Z Data description: Level 2 spectral fitting results file Data file version: fwvt1c4p1-8 Local principal investigator: Surassawadee Phoompanit Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 214 Spectrometer number: 1 Processing software version used: BlickP v1.8.70 Instrument operation file used: Pandora214_OF_v2d20240326.txt Instrument calibration file used: Pandora214s1_CF_v4d20240531.txt Level 1 file used: Pandora214s1_Songkhla_20250119_L1_smca1c4d20240531p1-8.txt Full location name: Prince of Songkla University (Songkhla) Short location name: Songkhla Country of location: Thailand Location latitude [deg]: 7.0059 Location longitude [deg]: 100.4981 Location altitude [m]: 40 Local noon date: 20250119 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: OoB based on session 3 First and last pixel inside fitting window: 1591 1739 Nominal wavelengths inside fitting window [nm]: 492.0676 492.1894 492.3111 492.4329 492.5546 492.6764 492.7981 492.9198 493.0415 493.1631 493.2848 493.4064 493.5280 493.6496 493.7712 493.8927 494.0143 494.1358 494.2573 494.3788 494.5003 494.6217 494.7431 494.8646 494.9860 495.1074 495.2287 495.3501 495.4714 495.5927 495.7140 495.8353 495.9566 496.0778 496.1991 496.3203 496.4415 496.5627 496.6838 496.8050 496.9261 497.0472 497.1683 497.2894 497.4104 497.5315 497.6525 497.7735 497.8945 498.0155 498.1364 498.2574 498.3783 498.4992 498.6201 498.7409 498.8618 498.9826 499.1034 499.2242 499.3450 499.4658 499.5865 499.7073 499.8280 499.9487 500.0694 500.1900 500.3107 500.4313 500.5519 500.6725 500.7931 500.9136 501.0342 501.1547 501.2752 501.3957 501.5162 501.6366 501.7570 501.8775 501.9979 502.1183 502.2386 502.3590 502.4793 502.5996 502.7199 502.8402 502.9605 503.0807 503.2009 503.3211 503.4413 503.5615 503.6817 503.8018 503.9219 504.0420 504.1621 504.2822 504.4022 504.5223 504.6423 504.7623 504.8823 505.0022 505.1222 505.2421 505.3620 505.4819 505.6018 505.7217 505.8415 505.9613 506.0811 506.2009 506.3207 506.4405 506.5602 506.6799 506.7996 506.9193 507.0390 507.1586 507.2783 507.3979 507.5175 507.6371 507.7566 507.8762 507.9957 508.1152 508.2347 508.3542 508.4736 508.5931 508.7125 508.8319 508.9513 509.0707 509.1900 509.3094 509.4287 509.5480 509.6673 509.7865 509.9058 --------------------------------------------------------------------------------------- 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: Water vapor slant column amount [moles per square meter], -9e99=fitting not successful Column 23: Independent uncertainty of water vapor 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 water vapor 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 water vapor 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 water vapor 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: Water vapor effective temperature [K] Column 28: Independent uncertainty of water vapor 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 water vapor 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 water vapor 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 water vapor fitting wavelength [nm], -9=fitting not successful Column 32: Diffuse correction applied before fitting at effective fitting wavelength for water vapor [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction Column 33: Nitrogen dioxide slant column amount [moles per square meter], -9e99=fitting not successful Column 34: Independent uncertainty of nitrogen 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 nitrogen 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 nitrogen 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 nitrogen 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: Nitrogen dioxide effective temperature [K] Column 39: Independent uncertainty of nitrogen 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 nitrogen 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 nitrogen 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 nitrogen dioxide fitting wavelength [nm], -9=fitting not successful Column 43: Diffuse correction applied before fitting at effective fitting wavelength for nitrogen dioxide [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction Column 44: Ozone slant column amount [moles per square meter], -9e99=fitting not successful Column 45: 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 46: 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 47: 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 48: 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 49: Ozone effective temperature [K] Column 50: 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 51: 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 52: 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 53: Effective ozone fitting wavelength [nm], -9=fitting not successful Column 54: 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 55: Molecular scattering air mass factor used for molecular scattering subtraction before the fitting Column 56: Estimated uncertainty of molecular scattering air mass factor, -9=molecular scattering was not subtracted before the fitting Column 57: Lower limit used for wavelength scaling [nm] Column 58: Upper limit used for wavelength scaling [nm] Column 59: Order of smoothing polynomial Column 60: Smoothing polynomial coefficient, order 0 Column 61: Independent uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 62: Structured uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 63: Common uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 64: rms-based uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 65: Smoothing polynomial coefficient, order 1 Column 66: Independent uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 67: Structured uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 68: Common uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 69: rms-based uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 70: Mean value of measured data inside fitting window [same units as measurements] Column 71: Wavelength change polynomial coefficient, order 0 Column 72: Independent uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 73: Structured uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 74: Common uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 75: rms-based uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 76: L1 based wavelength change coefficient, order 0, -9=no L1 wavelength change determination Column 77: L1 based wavelength change coefficient, order 1, -9=no L1 wavelength change determination Column 78: 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 79: 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 80: 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 81: 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 82: 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 83: 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 84: Atmospheric variability [%], 999=no atmospheric variability was determined Column 85: Wavelength effective temperature [°C], 999=no effective temperature given Column 86: Estimated average residual stray light level [%] (only valid for stray light correction methods 2 and higher) Column 87: Retrieved wavelength shift from L1 data [nm], -9=no wavelength change determination Column 88: Retrieved total wavelength shift [nm], -9=no wavelength change fitting Column 89: Number of bright count cycles Column 90: Number of dark count cycles Column 91: Effective position of filterwheel #1, 0=filterwheel not used, 1-9 are valid positions Column 92: Effective position of filterwheel #2, 0=filterwheel not used, 1-9 are valid positions Column 93: Sum over 2^i, 0=spectra were interpolated in time, 1=spectra are corrected for off-target signal Column 94: Integration time [ms] Column 95: Temperature at electronics board [°C], 999=no temperature signal Column 96: Spectrometer control temperature [°C], 999=no temperature signal Column 97: Auxiliary spectrometer temperature [°C], 999=no temperature signal Column 98: Temperature in head sensor [°C], 999=no temperature signal Column 99: Humidity in head sensor [%], -9=no humidity signal Column 100: Pressure in head sensor [hPa], -9=no pressure signal Columns 101-249: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 250-398: 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 --------------------------------------------------------------------------------------- SQ 20250119T092741.3Z 9150.394228 43 1 42.75 2 64.71 243.67 174.47 348.61 0.00 1 0.00 1 0 15 7.642e-03 7.632e-03 4.466e-03 4.437e-03 8.192300e+03 3.099678e+02 5.477848e+02 -6.000000e+00 4.331382e+02 294.04 -2.00 20.00 -2.00 505.25 0.00e+00 2.269256e-04 1.247771e-04 3.169752e-05 -6.000000e+00 2.194073e-04 294.04 -2.00 20.00 -2.00 500.15 0.00e+00 4.158748e-01 8.798170e-02 4.407591e-02 -6.000000e+00 1.491090e-01 225.01 -2.00 3.05 -2.00 501.78 0.00e+00 2.325 0.000 489.00 513.00 1 9.5976e+00 6.7584e-03 5.0722e-03 -6.0000e+00 1.1463e-02 1.0120e-02 1.7461e-03 1.1027e-03 -6.0000e+00 2.9987e-03 9.1399e-05 7.5302e-04 3.9466e-04 4.8954e-05 -6.0000e+00 7.1950e-04 3.5778e-02 -1.9417e-04 12 8 8 10 0 0 -75.96 24.47 0.72 0.03578 0.04100 11 4 1 4 0 3885.770 26.51 20.00 24.47 30.37 0.0 1012.63 -1144 -442 66 -119 -24 -250 1004 61 783 217 635 -1340 -515 -1592 1770 368 208 -75 108 -445 327 -101 457 -249 -533 -216 398 449 620 52 -1194 569 -855 1675 97 99 1144 73 -511 -1292 -26 -11 -86 -1168 312 902 1354 -1541 -476 -530 -371 -641 -712 -657 1606 -1173 565 251 537 30 1643 -811 526 858 359 -1292 -315 -667 993 76 204 -370 1927 13 311 -168 279 30 -921 -245 -391 -193 -718 -319 87 555 -61 -1090 -150 -1186 322 783 792 358 933 -568 263 69 1112 -1522 266 -31 148 -34 181 -3 -810 417 211 153 -5 -228 308 -1244 1103 524 235 1328 652 -612 152 -595 -1425 357 -1064 636 -810 152 -1071 291 -564 735 -383 235 254 -1273 -1321 1399 779 446 -837 -414 1232 420 882 -114 827 -1167 -614 -1126 -438 67 -124 -26 -271 1094 67 857 236 679 -1434 -539 -1665 1792 380 218 -81 118 -491 359 -111 499 -275 -589 -237 434 480 647 53 -1219 578 -898 1773 106 108 1225 78 -542 -1374 -28 -11 -92 -1267 337 967 1430 -1649 -495 -536 -367 -622 -690 -646 1594 -1217 586 262 556 31 1685 -851 547 885 367 -1321 -315 -661 959 73 196 -359 1853 13 306 -163 266 29 -869 -229 -369 -183 -690 -308 84 537 -59 -1066 -145 -1163 315 769 779 348 884 -531 238 61 963 -1342 234 -28 140 -33 177 -3 -786 395 201 147 -4 -224 302 -1238 1081 520 234 1312 639 -595 145 -564 -1360 338 -1020 602 -774 144 -1021 272 -523 664 -347 211 231 -1199 -1263 1326 750 433 -824 -408 1198 411 852 -109 770 -1089 -568 SQ 20250119T101907.7Z 9150.429950 76 1 42.53 2 76.32 247.14 167.64 65.53 0.00 1 0.00 1 0 22 1.280e-02 1.277e-02 8.263e-03 8.192e-03 9.679977e+03 5.906373e+02 6.937124e+02 -6.000000e+00 7.253783e+02 294.04 -2.00 20.00 -2.00 505.26 0.00e+00 8.978404e-04 2.306792e-04 4.880650e-05 -6.000000e+00 3.674644e-04 294.04 -2.00 20.00 -2.00 500.08 0.00e+00 7.309734e-01 1.635586e-01 4.071409e-02 -6.000000e+00 2.497925e-01 225.01 -2.00 3.05 -2.00 501.72 0.00e+00 4.126 0.000 489.00 513.00 1 9.9779e+00 1.2567e-02 6.9926e-03 -6.0000e+00 1.9202e-02 1.9076e-02 3.2356e-03 1.1857e-03 -6.0000e+00 5.0251e-03 4.6753e-05 7.5269e-04 7.2349e-04 6.1682e-05 -6.0000e+00 1.2051e-03 3.2019e-02 -1.9470e-04 12 8 8 10 0 0 92.13 24.30 2.07 0.03202 0.03724 12 4 1 4 0 3542.440 26.32 20.00 24.30 30.70 0.0 1013.83 -2300 -516 -820 -1087 1302 24 -43 921 3425 -829 221 -3131 -1732 -2265 862 -494 817 995 1089 -1757 1455 913 -525 -1221 -776 -187 1371 324 832 -920 -1150 1247 -1956 977 731 -888 852 154 -460 -297 45 3641 -606 -1187 1416 2098 1019 -972 -830 -1342 774 -1188 -849 -1318 372 -991 886 787 518 828 474 775 2588 968 186 -1479 -831 -814 -427 1198 101 -422 379 -510 -177 163 -62 -3904 1062 -432 -817 1863 1492 74 854 -510 -478 2726 345 594 221 1224 626 2457 358 430 251 -167 2900 -3112 1194 -1531 946 125 -249 -891 -349 589 -329 -184 -1273 709 1258 -2082 -1018 333 879 1402 338 926 -932 -447 -2509 -154 -2285 24 -1433 814 -1008 -159 -1451 -446 1176 -1391 771 424 -1039 1573 -879 1761 -1798 -1720 1330 989 113 442 1446 -509 -765 -2282 -513 -842 -1154 1385 27 -48 1021 3686 -914 238 -3431 -1846 -2398 885 -516 853 1065 1187 -1972 1590 1003 -583 -1371 -867 -208 1495 350 872 -952 -1179 1260 -2088 1047 801 -989 921 165 -492 -315 48 3770 -657 -1305 1533 2244 1090 -1044 -875 -1379 758 -1163 -825 -1312 374 -1037 925 822 541 859 496 809 2666 1004 192 -1525 -838 -810 -419 1142 97 -410 370 -506 -175 159 -60 -3803 979 -404 -770 1730 1395 70 820 -497 -463 2558 330 569 214 1189 612 2320 336 392 223 -146 2408 -2718 1015 -1376 870 120 -243 -870 -333 552 -312 -176 -1243 685 1215 -2077 -1006 328 868 1376 330 885 -886 -420 -2402 -145 -2195 23 -1370 758 -952 -148 -1345 -403 1041 -1259 694 391 -986 1476 -853 1680 -1782 -1712 1288 960 109 420 1331 -469 -706