Variable names for C3S Soil Moisture

C3S SM variables as in the netcdf image files (and time series from netcdf images) for different products and versions of C3S

name	Description	Units
freqbandID	Frequency Band Identification
lat	Latitude	[degrees_north]
lon	Longitude	[degrees_east]
nobs	Number of valid observation
sensor	Sensor Flag
sm	Volumetric Soil Moisture	[m3 m-3]
time	Time	[days since 1970-01-01 00:00:00 UTC]