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 Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated.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.
> Dear Support, > > I have downloaded OMI satellite column ozone measurement data in he5 > format and have converted it to netcdf format using NCL, but it appears > there is no time dimension and no time variable in any of the files. I > would like to be able to concatenate the files. How do I use nco to > create a time variable? (I've found documentation for making time the > record dimension once it exists). > > Thanks very much in advance, > Melissa Allen > > Howdy Melissa! Sorry, I don't know how to do that. I don't use the NCO tools. ;-) The NCO tools are not developed here at Unidata, but are developed in sunny California, in what I assume is a beach house full of movie stars. You'll have to contact their support with your question. Thanks, Ed Ticket Details =================== Ticket ID: NXM-270564 Department: Support netCDF Priority: Urgent Status: Closed