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,DATETIME,hPa,REAL,Climatological station pressure,x
2,SURFACE.TEMPERATURE_INDEPENDENT,CONSTANT,K,REAL,Climatological station temperature,x
2,SURFACE.PRESSURE_INDEPENDENT_SOURCE,DATETIME,[empty],STRING,Source of climatological station pressure,x
2,SURFACE.TEMPERATURE_INDEPENDENT,DATETIME,K,REAL,Climatological station temperature,x
2,SURFACE.PRESSURE_INDEPENDENT_SOURCE,CONSTANT,[empty],STRING,Source of climatological station pressure,x
2,SURFACE.TEMPERATURE_INDEPENDENT_SOURCE,CONSTANT,[empty],STRING,Source of climatological station temperature,x
2,ANGLE.SOLAR_ZENITH.ASTRONOMICAL,DATETIME,deg,REAL,Solar astronomical zenith angle at which the measurement was taken,x
2,ANGLE.SOLAR_AZIMUTH,DATETIME,deg,REAL,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
