Gamic to Odim "how"

I am using the xradar to translate gamic to odim hdf5
After translation, the root/how is left empty:

dtree = file’, optional_how=True, source=‘WMO:40179’)

Please advice

@yslak optional_how refers to the how-group at sweep level not root level. There optional attributes, like scan_index, are added.

Currently there are no attributes written to root-how group, beside some modification-attribute.

Please open an issue with more details (which attributes/variables you expect etc.) at the xradar GitHub issue tracker.