Ian, > All I have to worry about now is that all of the data is hyphens.. I > expect I'll find out why, if not I'm afraid I'll be back! I'm sure I > just need a drains-up on type conversion. If the data are appearing in ncdump output as underscores ('_'), that's the notation ncdump uses for fill values or missing data. It means that the data was not written yet. --Russ Russ Rew UCAR Unidata Program address@hidden http://www.unidata.ucar.edu Ticket Details =================== Ticket ID: DXD-376053 Department: Support netCDF Priority: Normal Status: Closed