File name: Pandora83s1_BondvilleIL_20250216_L2Fit_fwvt1c2d20230316p1-8.txt
File generation date: 20250327T114528.8Z
Data description: Level 2 spectral fitting results file
Data file version: fwvt1c2p1-8
Local principal investigator: Alexander Cede
Network principal investigator: Alexander Cede
Instrument type: Pandora
Instrument number: 83
Spectrometer number: 1
Processing software version used: BlickP v1.8.75
Instrument operation file used: Pandora83_OF_v3d20231115.txt
Instrument calibration file used: Pandora83s1_CF_v2d20240316.txt
Level 1 file used: Pandora83s1_BondvilleIL_20250216_L1_smca1c2d20230316p1-8.txt
Full location name: Bondville, Illinois EPA Castnet Site
Short location name: BondvilleIL
Country of location: United States
Location latitude [deg]: 40.0520
Location longitude [deg]: -88.3725
Location altitude [m]: 213
Local noon date: 20250216
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 on clearance session 1
First and last pixel inside fitting window: 1623 1773
Nominal wavelengths inside fitting window [nm]: 492.0660 492.1867 492.3074 492.4280 492.5486 492.6692 492.7898 492.9104 493.0310 493.1515 493.2720 493.3925 493.5130 493.6335 493.7540 493.8744 493.9948 494.1152 494.2356 494.3560 494.4764 494.5967 494.7170 494.8374 494.9576 495.0779 495.1982 495.3184 495.4386 495.5589 495.6790 495.7992 495.9194 496.0395 496.1596 496.2797 496.3998 496.5199 496.6400 496.7600 496.8800 497.0000 497.1200 497.2400 497.3600 497.4799 497.5998 497.7197 497.8396 497.9595 498.0793 498.1992 498.3190 498.4388 498.5586 498.6784 498.7981 498.9178 499.0376 499.1573 499.2770 499.3966 499.5163 499.6359 499.7555 499.8751 499.9947 500.1143 500.2338 500.3534 500.4729 500.5924 500.7119 500.8313 500.9508 501.0702 501.1896 501.3090 501.4284 501.5478 501.6671 501.7864 501.9058 502.0251 502.1443 502.2636 502.3828 502.5021 502.6213 502.7405 502.8597 502.9788 503.0980 503.2171 503.3362 503.4553 503.5744 503.6934 503.8125 503.9315 504.0505 504.1695 504.2885 504.4074 504.5263 504.6453 504.7642 504.8831 505.0019 505.1208 505.2396 505.3584 505.4772 505.5960 505.7148 505.8335 505.9523 506.0710 506.1897 506.3084 506.4270 506.5457 506.6643 506.7829 506.9015 507.0201 507.1387 507.2572 507.3758 507.4943 507.6128 507.7312 507.8497 507.9681 508.0866 508.2050 508.3234 508.4417 508.5601 508.6784 508.7968 508.9151 509.0334 509.1516 509.2699 509.3881 509.5063 509.6245 509.7427 509.8609 509.9790
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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 101-251: 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
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SQ 20250216T204439.4Z 9178.864345 557 1 53.77 2 63.55 223.77 148.19 351.50 0.00 1 0.00 1 0 15 2.999e-03 3.004e-03 9.875e-04 9.852e-04 9.082372e+02 5.533115e+01 3.775702e+01 -6.000000e+00 1.631296e+02 274.82 -2.00 20.00 -2.00 505.26 0.00e+00 4.700540e-04 2.659410e-05 3.221787e-05 -6.000000e+00 8.270919e-05 274.82 -2.00 20.00 -2.00 500.39 0.00e+00 2.424226e-01 1.950098e-02 1.498069e-02 -6.000000e+00 5.950456e-02 224.92 -2.00 3.49 -2.00 502.00 0.00e+00 2.232 0.000 489.00 513.00 1 7.4139e+00 1.4931e-03 3.4083e-03 -6.0000e+00 4.5570e-03 1.2695e-02 3.8408e-04 3.1431e-04 -6.0000e+00 1.1730e-03 8.4579e-04 1.4717e-03 1.0081e-04 1.2326e-05 -6.0000e+00 3.1400e-04 -5.0656e-03 2.7211e-05 10 0 0 10 0 0 100.00 24.73 0.89 -0.00507 0.00514 111 12 1 4 0 484.400 33.50 20.00 24.73 0.78 2.6 992.59 -78 -181 -102 -98 219 435 625 356 290 873 -171 641 -36 390 199 11 -315 -163 -285 -256 -33 -60 -2 -168 128 -42 -179 -264 -513 -346 -299 434 -60 -202 -342 -345 -233 204 -101 -215 109 -179 213 141 34 171 -23 49 -40 -347 -150 -29 151 -410 95 101 -180 241 -186 186 361 490 301 165 203 158 324 43 39 -24 145 171 212 -201 -253 -89 -676 -241 31 -127 -580 -128 -207 -369 25 -482 -959 -186 -359 -238 -145 -420 -438 -359 -450 63 27 -108 -177 117 99 410 214 463 656 421 228 643 636 472 13 -250 -53 -210 320 -267 -100 -104 -88 534 202 253 -98 -34 -238 -21 -175 -58 53 275 -407 -387 -288 59 218 -136 -431 -183 195 270 316 237 68 293 452 -82 -83 169 311 40 -270 -77 -183 -101 -100 229 463 675 371 302 935 -182 668 -37 397 202 11 -327 -173 -296 -270 -34 -63 -2 -178 136 -45 -189 -274 -523 -358 -304 439 -62 -207 -360 -366 -245 211 -103 -219 111 -183 220 147 36 180 -24 50 -41 -344 -151 -28 146 -403 95 99 -181 245 -190 189 366 499 308 169 205 158 319 41 39 -24 142 168 210 -194 -247 -86 -648 -237 30 -123 -566 -125 -196 -352 24 -468 -941 -182 -351 -233 -143 -421 -445 -366 -456 62 27 -103 -165 112 94 376 202 450 651 420 226 627 614 457 13 -250 -52 -207 316 -266 -100 -104 -88 520 203 250 -96 -33 -237 -21 -174 -58 52 270 -400 -375 -275 55 203 -128 -416 -180 186 259 306 230 66 287 443 -81 -80 159 298 38 -260
SQ 20250216T204829.0Z 9178.867002 560 1 0.57 2 64.06 224.65 148.30 353.21 0.00 1 0.00 1 0 15 3.335e-03 3.320e-03 2.778e-03 2.773e-03 6.629512e+02 1.526889e+02 9.998311e+00 -6.000000e+00 1.814024e+02 274.82 -2.00 20.00 -2.00 505.26 0.00e+00 5.032449e-04 7.489468e-05 3.236529e-05 -6.000000e+00 9.196468e-05 274.82 -2.00 20.00 -2.00 500.46 0.00e+00 2.295510e-01 5.465850e-02 1.519056e-02 -6.000000e+00 6.611683e-02 224.92 -2.00 3.49 -2.00 502.05 0.00e+00 2.272 0.000 489.00 513.00 1 4.4522e+00 4.1888e-03 3.4582e-03 -6.0000e+00 5.0640e-03 1.0394e-02 1.0771e-03 2.9882e-04 -6.0000e+00 1.3022e-03 1.6276e-02 -1.0837e-04 2.8360e-04 1.2414e-05 -6.0000e+00 3.4906e-04 -1.1588e-02 1.2749e-04 12 1 1 12 1 1 999.00 24.73 0.87 -0.01159 -0.01234 1 22 1 4 0 280.550 33.75 20.00 24.73 0.82 2.6 993.03 -455 -308 -179 -430 -310 800 191 470 266 301 231 491 -160 -95 74 106 -41 35 50 217 104 18 83 -344 -23 -151 -70 -33 -459 -747 73 91 278 -181 -271 -365 135 -187 -344 296 -46 42 637 -293 283 48 310 107 -422 -52 -115 -416 -63 27 -443 -93 -93 272 184 -97 488 328 522 137 577 538 19 270 208 159 -375 12 22 -69 -664 125 -405 73 511 363 -238 -113 -543 -128 -936 -557 -68 -385 223 -373 129 -613 -273 -525 -506 -338 -321 -285 98 735 683 232 350 97 253 353 311 600 349 758 401 -183 -363 202 -12 -58 1 -176 -109 -104 -71 362 16 -474 -16 -179 120 200 3 40 -138 -749 -240 8 655 198 -210 -166 -454 301 -131 345 162 360 -311 -134 -2 -71 175 172 -95 -444 -306 -180 -440 -320 834 201 496 280 314 238 504 -163 -97 75 108 -42 36 52 227 109 19 88 -364 -25 -160 -74 -34 -473 -762 74 91 282 -188 -284 -380 141 -194 -354 305 -48 43 653 -307 292 50 323 110 -429 -52 -114 -410 -61 27 -439 -94 -94 276 187 -99 494 335 532 141 583 545 19 265 205 156 -365 12 22 -67 -660 122 -399 70 494 350 -228 -109 -531 -126 -922 -551 -68 -377 220 -367 127 -608 -273 -530 -508 -335 -316 -278 94 701 648 220 336 95 249 349 305 586 339 734 395 -182 -360 202 -13 -58 1 -177 -110 -104 -70 354 16 -465 -15 -176 118 195 3 39 -134 -723 -230 8 620 187 -203 -161 -443 295 -130 341 161 355 -309 -132 -2 -69 169 164 -90