2,DATETIME,DATETIME,MJD2K,DOUBLE, Mean 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,LATITUDE.INSTRUMENT,CONSTANT|DATETIME,deg,REAL,Inst. geolocation. Latitude north (decimal degrees) of the location of the instrument (+ for north; - for south),x
2,LONGITUDE.INSTRUMENT,CONSTANT|DATETIME,deg,REAL,Inst. geolocation. Longitude east (decimal degrees) of the location of the instrument (+ for east; - for west),x
2,ALTITUDE.INSTRUMENT,CONSTANT|DATETIME,m,REAL,Inst. geolocation. Altitude of the instrument relative to the location site,x
2,RADIATION.DOWNWELLING.GLOBAL_SHORTWAVE,DATETIME,W m-2,REAL,Incoming solar radiation flux incident upon the planet’s surface,x
2,RADIATION.DIRECT,DATETIME,W m-2,REAL,The part of the global radiation incident on a surface orthogonal (or 'normal') to the sun's beam which originates from the solid angle subtended by the sun's disk,x
2,RADIATION.DIRECT_MINIMUM,DATETIME,W m-2,REAL,Minimum direct radiation value,x
2,RADIATION.DIRECT_MAXIMUM,DATETIME,W m-2,REAL,Maximum direct radiation value,x
2,RADIATION.DIRECT_MEAN.STANDARD,DATETIME,W m-2,REAL,Standard deviation of the mean direct radiation,x