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 Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated.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.
Hello, It sounds as if there is an error with the file you are trying to examine. Can you provide the file, if it is small enough, or tell me where I can locate it? I will examine the file myself and try to determine the cause of the failure. Thanks, -Ward > Dear administrator, > > > I met a problem when using NCEP/NCAR reanalysis 1 data (NETCDF4 data at PSD). > I want to transfer netcdf to txt. Whatever I use ncdump or nccopy to transfer > it to netcdf3 first, it all failed and the error was that NetCDF is unknown > format. The software I used was netCDF4.4.0-NC3-64.exe from your ftp > ftp://ftp.unidata.ucar.edu/pub/netcdf/. > > > Could you please tell me why it always failed and how to handle it? Many > thanks for your kind help. > > > Best Regards, > Wenguo Li, Ocean University of China Ticket Details =================== Ticket ID: GVK-490541 Department: Support netCDF Priority: Normal Status: Closed