set data "http://iridl.ldeo.columbia.edu/SOURCES/.ARCTIC/.STATION/Fr/1+index/.Fa/ISTA+differences/2+index/.O18/3+index/.Sal/4+index/.3H/dods"If ferret refuses to read the file, saying
** netCDF error: Invalid Argument is this a CDF file ?it is quite possible that you can use set data after you download the netcdf file.
If you have questions, comments, or problems please use the help@iri link. This page will evolve as we learn more about how Ferret handles data downloads, and your help pointing out problems is much appreciated.
There is a bug in ferret which is corrected in release 6.0 (see notes about "nonstandard calendar axes"). Please upgrade if you are using monthly data.