Hi Daniel, I think the NCO (NetCDF Operators) software does what you need: http://nco.sourceforge.net/ In particular, if you look at the ncrcat or ncecat documentation, for concatenating along either the record dimension or along a fixed dimension, you can determine which of these to use: http://nco.sourceforge.net/nco.html#Concatenation --Russ Russ Rew UCAR Unidata Program address@hidden http://www.unidata.ucar.edu Ticket Details =================== Ticket ID: CNW-900337 Department: Support netCDF Priority: Normal Status: Closed