File name: Pandora243s1_Toronto-CNTower_20240309_L2Fit_fwvt1c2d20230307p1-8.txt File generation date: 20240310T053301.4Z Data description: Level 2 spectral fitting results file Data file version: fwvt1c2p1-8 Local principal investigator: Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 243 Spectrometer number: 1 Processing software version used: BlickP v1.8.59 Instrument operation file used: Pandora243_OF_v2d20230125.txt Instrument calibration file used: Pandora243s1_CF_v2d20230307.txt Level 1 file used: Pandora243s1_Toronto-CNTower_20240309_L1_smca1c2d20230307p1-8.txt Full location name: CN Tower Observation Pod Roof, 290 Bremner Blvd, Toronto, ON M5V 3L9 Short location name: Toronto-CNTower Country of location: Canada Location latitude [deg]: 43.6426 Location longitude [deg]: -79.3871 Location altitude [m]: 330 Local noon date: 20240309 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 session based off session 1 First and last pixel inside fitting window: 1621 1771 Nominal wavelengths inside fitting window [nm]: 492.0337 492.1543 492.2749 492.3955 492.5160 492.6366 492.7571 492.8776 492.9981 493.1185 493.2390 493.3594 493.4798 493.6002 493.7206 493.8410 493.9614 494.0817 494.2020 494.3223 494.4426 494.5629 494.6831 494.8033 494.9236 495.0438 495.1639 495.2841 495.4043 495.5244 495.6445 495.7646 495.8847 496.0048 496.1248 496.2448 496.3648 496.4848 496.6048 496.7248 496.8447 496.9647 497.0846 497.2045 497.3244 497.4442 497.5641 497.6839 497.8037 497.9235 498.0433 498.1630 498.2828 498.4025 498.5222 498.6419 498.7616 498.8812 499.0009 499.1205 499.2401 499.3597 499.4793 499.5988 499.7184 499.8379 499.9574 500.0769 500.1963 500.3158 500.4352 500.5546 500.6740 500.7934 500.9128 501.0321 501.1515 501.2708 501.3901 501.5094 501.6286 501.7479 501.8671 501.9863 502.1055 502.2247 502.3439 502.4630 502.5821 502.7013 502.8203 502.9394 503.0585 503.1775 503.2965 503.4156 503.5345 503.6535 503.7725 503.8914 504.0103 504.1292 504.2481 504.3670 504.4859 504.6047 504.7235 504.8423 504.9611 505.0799 505.1986 505.3173 505.4361 505.5548 505.6734 505.7921 505.9107 506.0294 506.1480 506.2666 506.3852 506.5037 506.6223 506.7408 506.8593 506.9778 507.0963 507.2147 507.3331 507.4516 507.5700 507.6884 507.8067 507.9251 508.0434 508.1617 508.2800 508.3983 508.5166 508.6348 508.7531 508.8713 508.9895 509.1076 509.2258 509.3440 509.4621 509.5802 509.6983 509.8164 509.9344 --------------------------------------------------------------------------------------- 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 101-251: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 252-402: 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 20240309T205813.0Z 8834.873762 431 1 29.23 2 67.05 239.36 75.69 240.27 0.00 1 0.00 1 0 15 6.625e-03 6.631e-03 2.505e-03 2.498e-03 2.288171e+03 1.475036e+02 1.351836e+02 -6.000000e+00 3.588743e+02 272.79 -2.00 20.00 -2.00 505.25 0.00e+00 3.448971e-04 6.715347e-05 2.625158e-05 -6.000000e+00 1.821043e-04 272.79 -2.00 20.00 -2.00 500.33 0.00e+00 3.137910e-01 5.004174e-02 2.616235e-02 -6.000000e+00 1.323628e-01 225.52 -2.00 3.56 -2.00 501.94 0.00e+00 2.545 0.000 489.00 513.00 1 8.7625e+00 3.8233e-03 4.1279e-03 -6.0000e+00 1.0125e-02 1.5613e-02 9.8444e-04 5.6778e-04 -6.0000e+00 2.6152e-03 2.0999e-04 1.4895e-03 2.5802e-04 1.6948e-05 -6.0000e+00 7.0599e-04 -2.4970e-03 7.6550e-05 12 9 8 11 32 0 97.11 26.93 2.08 -0.00250 0.00783 8 8 1 4 0 3653.730 35.50 20.00 26.93 12.31 3.8 862.12 120 -852 -827 128 -625 839 244 393 -23 601 2091 140 -330 -1050 -146 22 115 331 -392 -201 401 1812 -184 1025 572 -608 -855 839 72 -548 -613 -380 -821 365 636 -67 -249 -989 122 -789 553 599 -1070 242 395 240 -60 561 336 -654 -959 350 1145 -458 -1287 829 -98 -155 100 -777 -348 -909 384 -171 -548 360 1586 692 436 -17 -971 258 52 387 -941 164 -773 -733 -244 -544 1203 -228 -962 518 216 -61 548 302 -130 672 604 -915 -946 -533 -117 -817 -548 433 -1505 324 582 334 361 349 -390 -955 -423 -343 179 -387 482 161 467 -50 768 -248 262 879 79 -132 433 197 -246 22 -1061 -757 1744 1515 298 676 934 126 -386 -146 315 -1009 221 -320 -58 651 644 81 -52 -1262 -72 -381 -351 615 213 240 -509 118 -853 -818 129 -655 886 263 428 -26 646 2183 147 -342 -1083 -148 22 118 348 -425 -212 423 1886 -196 1077 606 -652 -914 871 76 -570 -625 -386 -852 371 663 -71 -264 -1045 126 -815 562 611 -1120 252 415 254 -63 581 342 -657 -977 343 1098 -448 -1293 839 -99 -158 102 -800 -357 -939 392 -176 -562 361 1549 672 435 -17 -962 253 51 371 -922 159 -746 -722 -236 -525 1142 -221 -913 488 206 -59 529 293 -127 651 589 -916 -958 -541 -118 -816 -535 408 -1412 304 540 313 334 333 -386 -962 -422 -338 173 -376 469 159 467 -49 753 -247 261 871 79 -130 418 195 -242 21 -1054 -752 1690 1470 292 658 902 121 -367 -137 293 -955 209 -311 -55 623 622 79 -51 -1261 -72 -376 -342 582 198 229 -471 SQ 20240309T211345.4Z 8834.884553 441 1 30.24 2 69.51 242.59 78.04 243.23 0.00 1 0.00 1 0 15 7.817e-03 7.812e-03 2.722e-03 2.713e-03 2.453818e+03 1.620862e+02 1.713648e+02 -6.000000e+00 4.234494e+02 272.79 -2.00 20.00 -2.00 505.26 0.00e+00 4.389933e-04 7.305913e-05 2.650503e-05 -6.000000e+00 2.148690e-04 272.79 -2.00 20.00 -2.00 500.30 0.00e+00 3.109131e-01 5.446024e-02 2.199787e-02 -6.000000e+00 1.561693e-01 225.52 -2.00 3.56 -2.00 501.93 0.00e+00 2.828 0.000 489.00 513.00 1 8.8685e+00 4.1675e-03 4.3398e-03 -6.0000e+00 1.1946e-02 1.9110e-02 1.0691e-03 5.4163e-04 -6.0000e+00 3.0852e-03 1.8143e-04 1.3954e-03 2.7903e-04 2.1756e-05 -6.0000e+00 8.3296e-04 -1.2819e-02 1.4426e-04 12 9 8 11 32 0 43.22 26.97 2.16 -0.01282 -0.00314 8 8 1 4 0 3778.810 35.50 20.00 26.97 12.22 3.9 862.06 -218 -365 -710 -60 -826 796 787 69 -116 337 387 20 -786 -890 -512 -640 -1335 437 164 -585 331 2300 261 1123 221 869 -773 847 -552 -799 -483 -962 -1069 459 1322 -403 -506 494 -76 -171 -756 376 -1272 103 590 520 -272 1305 475 -663 -846 1467 1457 -365 -1298 1077 -3 427 20 -997 68 -863 333 -238 -1217 159 -198 1120 -31 -10 -681 355 388 -56 -978 576 261 238 -102 -685 1341 -297 -1333 2254 1611 -671 1410 594 144 1213 919 -332 -1549 -516 404 -1130 -443 629 -569 16 972 846 405 -161 -70 -1011 -745 -734 455 -315 813 -156 125 -1134 1052 -668 696 722 -306 -205 -739 371 -565 304 -375 -1307 -13 309 123 1008 1129 -401 -17 -243 296 -1043 -32 -785 -577 426 1095 -758 -36 -1420 358 1459 -497 614 -279 524 -412 -214 -362 -727 -61 -864 837 842 75 -126 362 409 21 -815 -913 -519 -652 -1389 456 175 -640 361 2461 274 1218 233 912 -820 908 -587 -828 -490 -978 -1106 481 1413 -426 -534 510 -78 -181 -773 397 -1325 107 615 544 -285 1333 481 -689 -856 1415 1386 -355 -1298 1081 -3 430 20 -1022 69 -886 339 -243 -1248 158 -196 1118 -31 -10 -670 345 380 -56 -952 573 258 231 -98 -658 1264 -287 -1310 2156 1566 -647 1339 569 138 1159 886 -327 -1565 -519 401 -1122 -428 587 -524 15 891 783 371 -153 -68 -1010 -739 -720 436 -304 782 -154 124 -1156 1057 -661 708 710 -303 -208 -742 363 -553 294 -367 -1293 -13 301 119 969 1079 -384 -16 -226 272 -978 -31 -761 -567 420 1042 -739 -35 -1406 349 1400 -480 597 -267 493 -392