2,DATETIME,DATETIME,MJD2K,DOUBLE,Mean time of the measurement sequence used for each retrieval
2,DATETIME.START,DATETIME,MJD2K,DOUBLE,Start time of the measurement sequence used for each retrieval
2,DATETIME.STOP,DATETIME,MJD2K,DOUBLE,End time of the measurement sequence used for each retrieval
2,INTEGRATION.TIME,DATETIME,s,REAL,Duration of the MAXDOAS measurements corresponding to the retrieved profile,x
2,LATITUDE.INSTRUMENT,CONSTANT,deg,REAL,Inst. Geolocation
2,LONGITUDE.INSTRUMENT,CONSTANT,deg,REAL,Inst. geolocation east (decimal degrees) of the location of the instrument (+ for east
2,ALTITUDE.INSTRUMENT,CONSTANT,m,REAL,Inst. geolocation
2,WAVELENGTH,[CONSTANT|WAVELENGTH],nm,REAL,Wavelength (Can be a vector if retrieval is made at different wavelengths. Then all retrieved variables have an additional wavelength dependence.),x
2,ALTITUDE,[ALTITUDE|DATETIME
2,PRESSURE_INDEPENDENT,DATETIME
2,PRESSURE_INDEPENDENT_SOURCE,[CONSTANT|DATETIME|DATETIME
2,TEMPERATURE_INDEPENDENT,DATETIME
2,TEMPERATURE_INDEPENDENT_SOURCE,[CONSTANT|DATETIME|DATETIME
2,ALTITUDE.BOUNDARIES,[ALTITUDE
2,WIND.DIRECTION.SURFACE_INDEPENDENT,DATETIME,deg,REAL,Wind direction at the station using WMO definition (wind from the north is 360
2,WIND.DIRECTION.SURFACE_INDEPENDENT_SOURCE,[CONSTANT|DATETIME],[empty],STRING,Wind direction source (e.g. Anemometer
2,WIND.SPEED.SURFACE_INDEPENDENT,DATETIME,m s-1,REAL,Wind speed at the station,o
2,WIND.SPEED.SURFACE_INDEPENDENT_SOURCE,[CONSTANT|DATETIME],[empty],STRING,Wind speed source (e.g. Anemometer
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
2,ANGLE.VIEW_AZIMUTH,DATETIME,deg,REAL,The azimuth viewing direction of the instrument using north as the reference plane and increasing clockwise (0 for north
2,ANGLE.VIEW_ZENITH,DATETIME,deg,REAL,The zenith viewing direction of the instrument,x
2,LATITUDE,DATETIME
2,LONGITUDE,DATETIME
2,CLOUD.CONDITIONS,DATETIME,[empty],STRING,Possible Values: clear-sky
2,AEROSOL.SINGLE.SCATTERING.ALBEDO_INDEPENDENT,[DATETIME|DATETIME
2,AEROSOL.ASYMMETRY.FACTOR_INDEPENDENT,[DATETIME|DATETIME
2,AEROSOL.EXTINCTION.COEFFICIENT_SCATTER.SOLAR.OFFAXIS,[DATETIME
2,AEROSOL.EXTINCTION.COEFFICIENT_SCATTER.SOLAR.OFFAXIS_UNCERTAINTY.RANDOM.COVARIANCE,[DATETIME
2,AEROSOL.EXTINCTION.COEFFICIENT_SCATTER.SOLAR.OFFAXIS_UNCERTAINTY.SYSTEMATIC.COVARIANCE,[DATETIME
2,AEROSOL.EXTINCTION.COEFFICIENT_SCATTER.SOLAR.OFFAXIS_AVK,[DATETIME
2,AEROSOL.EXTINCTION.COEFFICIENT_SCATTER.SOLAR.OFFAXIS_APRIORI,[DATETIME
2,AEROSOL.OPTICAL.DEPTH.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS,[DATETIME|DATETIME
2,AEROSOL.OPTICAL.DEPTH.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS_UNCERTAINTY.RANDOM.STANDARD,[DATETIME|DATETIME
2,AEROSOL.OPTICAL.DEPTH.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS_UNCERTAINTY.SYSTEMATIC.STANDARD,[DATETIME|DATETIME
2,AEROSOL.OPTICAL.DEPTH.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS_AVK,[DATETIME
2,AEROSOL.OPTICAL.DEPTH.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS_APRIORI,[DATETIME|DATETIME
4,SOURCE.PRODUCT,INDEPENDENT,[empty],STRING,Information relevant to the source history of the Metadata and Data,o