2;ALTITUDE.INSTRUMENT;CONSTANT;m;REAL;Inst. geolocation. Altitude of the instrument relative to the location site;x
2;LATITUDE.INSTRUMENT;CONSTANT;deg;REAL;"Inst. geolocation. Latitude north of the location of the instrument (+ for north; - for south)";x
2;LONGITUDE.INSTRUMENT;CONSTANT;deg;REAL;"Inst. geolocation. Longitude east of the location of the instrument (+ for east; - for west)";x
2;SURFACE.PRESSURE_INDEPENDENT;CONSTANT;hPa;REAL;Climatological station pressure;x
2;SURFACE.TEMPERATURE_INDEPENDENT;CONSTANT;K;REAL;Climatological station temperature;x
2;SURFACE.PRESSURE_INDEPENDENT_SOURCE;CONSTANT;;STRING;Source of climatological station pressure;x
2;SURFACE.TEMPERATURE_INDEPENDENT_SOURCE;CONSTANT;;STRING;Source of climatological station temperature;x
2;ANGLE.SOLAR_ZENITH.ASTRONOMICAL;DATETIME;deg;REAL;The solar astronomical zenith angle at which the measurement was taken;x
2;ANGLE.SOLAR_AZIMUTH;DATETIME;deg;REAL;"The solar azimuth angle at which the measurement was taken using north as the reference plane and increasing clockwise (0 for north; 90 for east and so on)";x
2;ANGLE.VIEW_ZENITH;DATETIME;deg;REAL;Pointing zenith angle for measurement center;x
2;ANGLE.VIEW_AZIMUTH;DATETIME;deg;REAL;"Pointing azimuth for measurement center; 0=north; increases clockwise";x
2;DATETIME;DATETIME;MJD2K;DOUBLE;"Center time of the measurement sequence used for each retrieval; defined relative to reference datetime of Jan. 1 2000 at 0:00:00 UT which is equal to 0.00";x
2;DATETIME.START;DATETIME;MJD2K;DOUBLE;"Start time of the measurement sequence used for each retrieval; defined relative to reference datetime of Jan. 1 2000 at 0:00:00 UT which is equal to 0.00";x
2;DATETIME.STOP;DATETIME;MJD2K;DOUBLE;"End time of the measurement sequence used for each retrieval; defined relative to reference datetime of Jan. 1 2000 at 0:00:00 UT which is equal to 0.00";x
2;ALTITUDE;"DATETIME;ALTITUDE";km;REAL;"Top height of layer of target gas; -6=no profile was retrieved since the maximum pointing zenith angle was below 87deg";x
2;ALTITUDE.BOUNDARIES;"DATETIME;ALTITUDE;INDEPENDENT";km;REAL;"Bottom and top height of layer of target gas; -6=no profile was retrieved since the maximum pointing zenith angle was below 87deg";x
2;[GAS].COLUMN.PARTIAL_SCATTER.SOLAR.OFFAXIS;"DATETIME;ALTITUDE";mol m-2;REAL;"Partial vertical column amount of target gas; -9e4=retrieval not successful";x
2;[GAS].COLUMN.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS;DATETIME;mol m-2;REAL;"Tropospheric vertical column amount of target gas; -9e4=retrieval not successful (https://publications.ovh.pandonia-global-network.org/manuals/PGN_DataProducts_Readme.pdf)";x
2;[GAS].COLUMN.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS_UNCERTAINTY.RANDOM.STANDARD;DATETIME;mol m-2;REAL;"Independent uncertainty of tropospheric vertical column amount of target gas; -4=tropospheric column was estimated from direct sun measurements using effective temperature; -5=tropospheric column was estimated from direct sun measurements using stratospheric climatology; -7=uncertainty could not be retrieved since slant column uncertainties were missing";x
2;[GAS].NUMBER.DENSITY.SURFACE_SCATTER.SOLAR.OFFAXIS;DATETIME;mol m-3;REAL;"Surface number density of target gas; -9e4=retrieval not successful (https://publications.ovh.pandonia-global-network.org/manuals/PGN_DataProducts_Readme.pdf)";x
2;[GAS].NUMBER.DENSITY.SURFACE_SCATTER.SOLAR.OFFAXIS_UNCERTAINTY.RANDOM.STANDARD;DATETIME;mol m-3;REAL;"Independent uncertainty of surface number density; -6=no surface number density was retrieved since the maximum viewing zenith angle was below 87deg; -7=uncertainty could not be retrieved since slant column uncertainties were missing";x
2;[GAS].NUMBER.DENSITY.FLAG.MEASUREMENT.DETAILS;DATETIME;1;BYTE;"Surface number density case index for target gas; 1=Fully mixed case from extrapolation to horizon, 2=Fully mixed case from largest pointing zenith angle, 3=Heterogeneous case from extrapolation to horizon, 4=Heterogeneous case from largest pointing zenith angle, -6=no surface concentration was retrieved since the maximum viewing zenith angle was below 87deg";x
2;[GAS].COLUMN.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS_MAXIMUM.HORIZONTAL.DISTANCE;DATETIME;km;REAL;Maximum horizontal extent of tropospheric column;x
2;FLAG.HETEROGENEITY;DATETIME;1;BYTE;"Heterogeneity flag for target gas; 0=well mixed conditions, 1=heterogeneous conditions, -6=no surface number density was retrieved since the maximum viewing zenith angle was below 87deg";x
2;FLAG.MEASUREMENT.QUALITY;DATETIME;1;BYTE;"Data quality flag for target gas; 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; 20=unusable high quality; 21=unusable medium quality; 22=unusable low quality";x
2;SOURCE.PRODUCT;INDEPENDENT;[empty];STRING;"Native Pandora data file name in form Original_Archive; Original_Filename; Original_File_Generation_Date";x
