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Ken, > Yes, we are using netCDF3 with many of the CF conventions. In that case, I see two other options, either of which might be better than adding "unitless" and "sccm" to the official units database: 1) create a new view of the netCDF files with the correct units via the netCDF translation language (whose name, unfortunately, escapes me at the moment); and 2) add those units to your own copy of the database (the database comprises multiple XML files and is editable). I've CC'ed someone who knows about creating new views. Hopefully, they'll respond. > Ken > > Kenneth E. Kehoe > Research Associate > ARM Climate Research Facility Data Quality Office > > Office: 303-497-4754 > Cell: xxx-xxx-xxx Regards, Steve Emmerson Ticket Details =================== Ticket ID: QQU-811431 Department: Support UDUNITS Priority: Normal Status: Closed