Thomas, > Thank you. I assume that the udunits.txt file is out of date. Should I > use udunits2.xml and the xml files it links to instead for the most > up-to-date set of units? Yes. Regards, Steve Emmerson Ticket Details =================== Ticket ID: ZNL-906678 Department: Support UDUNITS Priority: Normal Status: Closed =================== NOTE: All email exchanges with Unidata User Support are recorded in the Unidata inquiry tracking system and then made publicly available through the web. If you do not want to have your interactions made available in this way, you must let us know in each email you send to us.