This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.
A few improvements to the CDM Validator are at: http://motherlode.ucar.edu:9080/thredds/cdmValidate.htmlincluding ability to check files remotely. These can be files on an OPeNDAP server or on an HTTP 1.1 server that supports Byte Ranges.
You can also get the output back as XML (format still evolving some). Comments are welcome.