File name: Pandora103s1_Downsview_20200302_L2Fit_fwvt1c10d20181123p1-8.txt File generation date: 20241101T074051.8Z Data description: Level 2 spectral fitting results file Data file version: fwvt1c10p1-8 Local principal investigator: Vitoli Fiolitov Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 103 Spectrometer number: 1 Processing software version used: BlickP v1.8.60 Instrument operation file used: Pandora103_OF_v7d20171016.txt Instrument calibration file used: Pandora103s1_CF_v10d20190801.txt Level 1 file used: Pandora103s1_Downsview_20200302_L1_smca1c10d20181123p1-8.txt Full location name: Environment Canada HQ - Downsview Short location name: Downsview Country of location: Canada Location latitude [deg]: 43.7810 Location longitude [deg]: -79.4680 Location altitude [m]: 187 Local noon date: 20200302 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, radiometric temperature correction, matrix method stray light correction (replaced by simple method) Data caveats: FieldAna 3rd VP - WinterReference but for LabData 2017 but L7 from 2023 First and last pixel inside fitting window: 1620 1769 Nominal wavelengths inside fitting window [nm]: 492.0103 492.1315 492.2527 492.3739 492.4950 492.6162 492.7373 492.8584 492.9795 493.1006 493.2216 493.3426 493.4637 493.5847 493.7057 493.8266 493.9476 494.0685 494.1894 494.3103 494.4312 494.5521 494.6730 494.7938 494.9146 495.0354 495.1562 495.2770 495.3977 495.5185 495.6392 495.7599 495.8806 496.0012 496.1219 496.2425 496.3631 496.4837 496.6043 496.7249 496.8454 496.9660 497.0865 497.2070 497.3275 497.4480 497.5684 497.6888 497.8093 497.9297 498.0500 498.1704 498.2907 498.4111 498.5314 498.6517 498.7720 498.8922 499.0125 499.1327 499.2529 499.3731 499.4933 499.6135 499.7336 499.8537 499.9739 500.0940 500.2140 500.3341 500.4541 500.5742 500.6942 500.8142 500.9341 501.0541 501.1740 501.2940 501.4139 501.5338 501.6536 501.7735 501.8933 502.0132 502.1330 502.2528 502.3725 502.4923 502.6120 502.7318 502.8515 502.9711 503.0908 503.2105 503.3301 503.4497 503.5693 503.6889 503.8085 503.9280 504.0476 504.1671 504.2866 504.4061 504.5255 504.6450 504.7644 504.8838 505.0032 505.1226 505.2420 505.3613 505.4807 505.6000 505.7193 505.8385 505.9578 506.0770 506.1963 506.3155 506.4347 506.5539 506.6730 506.7922 506.9113 507.0304 507.1495 507.2685 507.3876 507.5066 507.6257 507.7447 507.8637 507.9826 508.1016 508.2205 508.3394 508.4583 508.5772 508.6961 508.8149 508.9338 509.0526 509.1714 509.2902 509.4089 509.5277 509.6464 509.7651 509.8838 --------------------------------------------------------------------------------------- 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 Columns 98-247: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 248-397: 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 20200302T124512.4Z 7366.531394 444 1 50.86 2 81.49 108.17 113.57 25.57 0.00 1 0.00 1 0 15 5.414e-03 5.368e-03 7.329e-04 7.315e-04 4.594448e+03 4.156800e+01 3.443850e+02 -6.000000e+00 2.702028e+02 273.01 -2.00 20.00 -2.00 505.33 0.00e+00 2.087562e-03 1.925545e-05 1.121108e-04 -6.000000e+00 1.449135e-04 273.01 -2.00 20.00 -2.00 500.59 0.00e+00 8.048454e-01 1.401916e-02 3.741225e-02 -6.000000e+00 1.047175e-01 225.28 -2.00 3.57 -2.00 502.18 0.00e+00 6.369 0.005 489.00 513.00 1 6.8800e+00 1.0663e-03 9.8340e-03 -6.0000e+00 7.9674e-03 -2.3769e-02 2.8116e-04 9.9052e-04 -6.0000e+00 2.1279e-03 7.5456e-04 6.8376e-04 5.5306e-05 5.4744e-05 -6.0000e+00 4.2214e-04 -1.6885e-03 1.6912e-05 12 8 8 10 0 0 97.19 15.00 0.70 -0.00169 0.00305 21 4 1 4 0 2421.520 21.69 15.00 18.47 -1324 -1384 -797 -226 291 539 640 663 869 445 264 34 -279 -434 -689 -382 -306 -178 274 454 364 477 189 373 440 662 565 611 46 -624 -975 -880 -719 -131 416 629 424 22 -71 -248 -227 -244 201 218 634 535 589 472 440 -123 -529 -1038 -1020 -1287 -797 -131 252 424 265 485 347 500 626 525 660 336 7 -38 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-676 -1215 -1114 SQ 20200302T125551.4Z 7366.538789 446 1 50.70 2 79.67 110.12 112.71 28.02 0.00 1 0.00 1 0 22 5.265e-03 5.191e-03 2.814e-04 2.810e-04 4.051502e+03 1.571937e+01 3.056851e+02 -6.000000e+00 2.627569e+02 273.01 -2.00 20.00 -2.00 505.29 0.00e+00 1.791169e-03 7.367557e-06 9.684190e-05 -6.000000e+00 1.409198e-04 273.01 -2.00 20.00 -2.00 500.59 0.00e+00 6.123875e-01 5.370843e-03 3.232839e-02 -6.000000e+00 1.018395e-01 225.28 -2.00 3.57 -2.00 502.15 0.00e+00 5.354 0.003 489.00 513.00 1 5.2815e+00 4.0802e-04 8.3007e-03 -6.0000e+00 7.7483e-03 -2.5746e-02 1.0799e-04 8.5222e-04 -6.0000e+00 2.0696e-03 4.3820e-03 7.5607e-04 2.1313e-05 5.2289e-05 -6.0000e+00 4.1050e-04 3.3764e-03 -2.1861e-05 12 8 8 10 0 0 99.72 15.00 0.69 0.00338 0.00862 128 24 1 4 0 395.990 21.69 15.00 18.44 -1407 -1265 -800 -99 271 510 724 865 876 551 239 106 -145 -481 -627 -467 -420 -125 262 420 395 389 295 333 456 519 521 591 128 -591 -856 -745 -641 -175 360 658 318 41 -69 -272 -254 -128 146 317 525 631 523 437 227 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299 283 375 275 311 480 468 39 -139 -410 -662 -517 -105 165 196 386 300 196 233 329 355 241 -84 -701 -1115 -1146 SQ 20200302T224915.7Z 7366.950876 766 1 49.31 2 87.42 258.11 24.76 159.07 0.00 1 0.00 1 0 22 7.861e-03 7.664e-03 1.077e-03 1.073e-03 7.017634e+03 6.338714e+01 5.039542e+02 -6.000000e+00 3.922984e+02 273.04 -2.00 20.00 -2.00 505.39 0.00e+00 4.563547e-03 2.810617e-05 2.414510e-04 -6.000000e+00 2.103960e-04 273.04 -2.00 20.00 -2.00 500.86 0.00e+00 1.807974e+00 2.022794e-02 6.412115e-02 -6.000000e+00 1.520406e-01 225.29 -2.00 3.57 -2.00 502.39 0.00e+00 14.645 0.061 489.00 513.00 1 6.1999e+00 1.5351e-03 2.3526e-02 -6.0000e+00 1.1568e-02 -3.0654e-02 4.0049e-04 1.8305e-03 -6.0000e+00 3.0902e-03 4.2106e-04 6.5200e-04 8.0590e-05 9.5534e-05 -6.0000e+00 6.1299e-04 3.6765e-02 -2.2477e-04 12 8 8 10 0 0 70.52 15.00 1.86 0.03677 0.04129 15 3 1 4 0 3286.820 21.79 15.00 18.62 -2497 -2162 -1343 -440 222 643 839 1056 1114 633 177 -93 -314 -866 -980 -832 -679 -345 449 271 530 545 484 461 717 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