I have asked opendap.org about the "nan." vs "nan" issue. It is possible, but painful to fix the netcdf-Java client code to not fail completely when the DAS does not parse. But bluntly, this would be a low priority issue for us because it happens so rarely. =Dennis Heimbigner Unidata Ticket Details =================== Ticket ID: VGQ-678069 Department: Support netCDF Java Priority: Critical Status: Closed