Data Levels & File Format

Data Level	Level-2 Post-Processed (L2P)
Data Period	Daily (between 00:00:00 and 23:59:59.999 UTC)
Availability	CryoSat: version 2.0+
Data Format	netCDF v4 (Climate and forecast conventions)
Summary	Collection of daily along-track geophysical parameters and their uncertainties at full resolution of the altimeter. Product only includes data points with valid freeboard measurements.
Parameters	All fields are per single altimeter data point. time longitude latitude radar mode radar freeboard + uncertainty freeboard + uncertainty snow depth + uncertainty snow density + uncertainty sea ice type + uncertainty sea ice thickness + uncertainty

Data Level	Level-3 Colocated (L3C)
Data Period	Weekly (between Monday 00:00:00 and Sunday 23:59:59.999 UTC)
Availability	CryoSat: version 2.0+
Data Format	netCDF v4 (Climate and forecast conventions)
Summary	Collection of daily along-track geophysical parameters and their uncertainties at full resolution of the altimeter. Product only includes data points with valid freeboard measurements.
Parameters	All fields are per single altimeter data point. time longitude latitude radar mode radar freeboard + uncertainty freeboard + uncertainty snow depth + uncertainty snow density + uncertainty sea ice type + uncertainty sea ice thickness + uncertainty

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