File name: Pandora214s1_Songkhla_20250119_L2Fit_fwvt1c6d20241016p1-8.txt
File generation date: 20250911T130530.5Z
Data description: Level 2 spectral fitting results file
Data file version: fwvt1c6p1-8
Local principal investigator: Surassawadee Phoompanit
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 214
Spectrometer number: 1
Processing software version used: BlickP v1.8.75
Instrument operation file used: Pandora214_OF_v2d20240326.txt
Instrument calibration file used: Pandora214s1_CF_v6d20241016.txt
Level 1 file used: Pandora214s1_Songkhla_20250119_L1_smca1c6d20241016p1-8.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: None
First and last pixel inside fitting window: 1591 1739
Nominal wavelengths inside fitting window [nm]: 492.0693 492.1911 492.3128 492.4345 492.5563 492.6779 492.7996 492.9213 493.0429 493.1645 493.2861 493.4077 493.5293 493.6509 493.7724 493.8939 494.0154 494.1369 494.2584 494.3798 494.5013 494.6227 494.7441 494.8655 494.9868 495.1082 495.2295 495.3508 495.4721 495.5934 495.7147 495.8359 495.9571 496.0783 496.1995 496.3207 496.4419 496.5630 496.6841 496.8052 496.9263 497.0474 497.1685 497.2895 497.4105 497.5315 497.6525 497.7735 497.8944 498.0154 498.1363 498.2572 498.3781 498.4989 498.6198 498.7406 498.8614 498.9822 499.1030 499.2237 499.3445 499.4652 499.5859 499.7066 499.8273 499.9479 500.0686 500.1892 500.3098 500.4304 500.5510 500.6715 500.7921 500.9126 501.0331 501.1536 501.2740 501.3945 501.5149 501.6353 501.7557 501.8761 501.9965 502.1168 502.2371 502.3574 502.4777 502.5980 502.7183 502.8385 502.9587 503.0789 503.1991 503.3193 503.4394 503.5596 503.6797 503.7998 503.9199 504.0399 504.1600 504.2800 504.4000 504.5200 504.6400 504.7600 504.8799 504.9998 505.1198 505.2396 505.3595 505.4794 505.5992 505.7190 505.8388 505.9586 506.0784 506.1981 506.3179 506.4376 506.5573 506.6770 506.7966 506.9163 507.0359 507.1555 507.2751 507.3947 507.5142 507.6338 507.7533 507.8728 507.9923 508.1118 508.2312 508.3506 508.4701 508.5895 508.7088 508.8282 508.9476 509.0669 509.1862 509.3055 509.4248 509.5440 509.6633 509.7825 509.9017
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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: 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
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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 7.648e-03 7.638e-03 4.466e-03 4.437e-03 8.198977e+03 3.099844e+02 5.502190e+02 -6.000000e+00 4.334775e+02 294.04 -2.00 20.00 -2.00 505.25 0.00e+00 2.247905e-04 1.247665e-04 3.146886e-05 -6.000000e+00 2.195909e-04 294.04 -2.00 20.00 -2.00 500.15 0.00e+00 4.146921e-01 8.797765e-02 4.372969e-02 -6.000000e+00 1.492702e-01 225.01 -2.00 3.05 -2.00 501.78 0.00e+00 2.325 0.000 489.00 513.00 1 9.9332e+00 6.7574e-03 5.0538e-03 -6.0000e+00 1.1474e-02 1.0126e-02 1.7464e-03 1.0989e-03 -6.0000e+00 3.0030e-03 6.5352e-05 1.0034e-03 3.9436e-04 4.9367e-05 -6.0000e+00 7.2016e-04 4.8671e-03 4.9325e-06 12 8 8 10 0 0 -75.96 24.47 0.72 0.00487 0.01183 11 4 1 4 0 3885.770 26.51 20.00 24.47 30.37 0.0 1012.63 -1141 -422 91 -99 -13 -238 1009 58 775 206 626 -1351 -525 -1599 1771 375 218 -61 115 -444 326 -103 457 -246 -534 -219 393 437 605 43 -1194 575 -843 1685 99 96 1139 69 -516 -1293 -26 -9 -84 -1167 313 899 1350 -1546 -482 -536 -376 -645 -714 -655 1606 -1174 564 250 535 28 1641 -813 525 857 358 -1292 -316 -667 994 75 201 -371 1924 12 313 -164 283 31 -922 -247 -394 -194 -720 -322 85 556 -60 -1088 -152 -1189 318 780 795 367 940 -558 273 75 1115 -1529 252 -54 124 -47 182 6 -798 423 207 146 -11 -232 306 -1246 1097 517 234 1337 667 -595 166 -592 -1432 353 -1065 636 -808 153 -1069 304 -547 744 -378 227 232 -1295 -1336 1385 769 440 -842 -417 1232 425 899 -86 855 -1154 -619 -1123 -418 92 -104 -14 -258 1099 64 848 224 669 -1446 -550 -1672 1792 386 228 -66 125 -490 358 -112 499 -272 -590 -241 428 468 632 44 -1218 584 -886 1784 108 104 1219 73 -548 -1375 -27 -10 -90 -1272 338 963 1425 -1654 -501 -543 -371 -626 -691 -644 1594 -1218 585 260 555 29 1684 -853 546 884 366 -1321 -316 -661 959 72 193 -360 1849 12 308 -160 270 30 -869 -231 -373 -184 -692 -311 83 538 -58 -1064 -147 -1165 310 765 782 356 891 -522 248 67 965 -1347 222 -49 117 -46 178 6 -774 401 197 140 -10 -228 300 -1240 1075 512 234 1320 653 -579 158 -561 -1366 335 -1021 602 -771 145 -1019 284 -507 673 -342 204 211 -1220 -1278 1313 740 427 -829 -411 1198 416 868 -83 796 -1077 -573
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 1.278e-02 8.263e-03 8.192e-03 9.681030e+03 5.906340e+02 6.936500e+02 -6.000000e+00 7.255403e+02 294.04 -2.00 20.00 -2.00 505.26 0.00e+00 8.968372e-04 2.306768e-04 4.899097e-05 -6.000000e+00 3.675468e-04 294.04 -2.00 20.00 -2.00 500.08 0.00e+00 7.303962e-01 1.635777e-01 4.077144e-02 -6.000000e+00 2.498505e-01 225.01 -2.00 3.05 -2.00 501.72 0.00e+00 4.126 0.000 489.00 513.00 1 1.0313e+01 1.2568e-02 6.9955e-03 -6.0000e+00 1.9206e-02 1.9076e-02 3.2364e-03 1.1866e-03 -6.0000e+00 5.0265e-03 3.3430e-05 5.7897e-04 7.2294e-04 6.1766e-05 -6.0000e+00 1.2054e-03 -7.3294e-04 3.7162e-05 12 8 8 10 0 0 92.13 24.30 2.07 -0.00073 0.00328 12 4 1 4 0 3542.440 26.32 20.00 24.30 30.70 0.0 1013.83 -2296 -503 -801 -1070 1313 37 -38 920 3418 -839 212 -3142 -1741 -2271 860 -489 827 1007 1095 -1755 1454 914 -526 -1218 -777 -188 1365 312 817 -929 -1150 1250 -1945 990 736 -890 846 151 -462 -299 48 3642 -602 -1184 1415 2095 1013 -978 -838 -1350 765 -1191 -847 -1317 376 -989 885 785 516 826 473 774 2586 966 186 -1481 -833 -815 -428 1199 101 -425 379 -510 -176 164 -64 -3903 1060 -431 -817 1861 1493 73 851 -513 -476 2729 346 594 219 1223 628 2463 362 435 256 -159 2904 -3114 1186 -1545 933 118 -249 -886 -341 594 -334 -189 -1276 707 1257 -2080 -1020 329 880 1407 347 937 -922 -444 -2513 -155 -2286 28 -1431 816 -1006 -149 -1438 -438 1178 -1398 758 407 -1045 1565 -886 1757 -1799 -1724 1332 995 127 461 1466 -500 -769 -2278 -499 -822 -1137 1396 40 -43 1019 3677 -925 228 -3442 -1856 -2403 882 -510 863 1077 1193 -1969 1588 1004 -584 -1367 -872 -210 1488 338 857 -961 -1179 1263 -2076 1061 806 -991 914 162 -493 -317 51 3771 -652 -1301 1531 2240 1085 -1051 -883 -1387 749 -1165 -824 -1310 379 -1034 924 820 539 857 495 810 2664 1002 192 -1527 -840 -810 -419 1142 97 -412 370 -506 -175 159 -61 -3802 978 -403 -769 1727 1396 70 817 -499 -462 2559 331 569 212 1188 614 2325 340 397 228 -138 2411 -2719 1009 -1394 859 113 -243 -865 -326 556 -316 -180 -1246 683 1214 -2075 -1008 323 869 1380 339 895 -880 -417 -2404 -146 -2203 26 -1367 760 -954 -139 -1333 -395 1042 -1265 682 375 -993 1468 -861 1676 -1782 -1716 1290 966 123 437 1348 -461 -709