Hardware MaintenanceFrom Tuesday, 24 Februrary 8:00am until Thursday, 26 February approx. 08:00am, we will have a hard- and software maintenance on our file system.
The ZTD (mm) is the 0-level product of the GPS data processing. It should be used for assimilation purpose. The IWV (kg/m**2) is the 1-level product of the GPS data. The conversion from ZTD to IWV is