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Greetings! The message you are seeing isn't necessarily related to the time variable. At this point, I'd need to see at least the output of ncdump to troubleshoot the issue, although a sample file would be better. Usually these messages are pretty easy to fix, so I would not give up quite yet :-) Once the file is recognized as a gridded dataset, the godiva3 interface will show up in the catalog under the "Preview" tab. For example: https://thredds-test.unidata.ucar.edu/thredds/catalog/grib/NCEP/NAM/CONUS_80km/latest.html?dataset=grib/NCEP/NAM/CONUS_80km/NAM_CONUS_80km_20181213_0000.grib1 The godiva3 link under the "Preview" tab in the catalog above will take you here: https://thredds-test.unidata.ucar.edu/thredds/Godiva.html?server=https://thredds-test.unidata.ucar.edu/thredds/wms/grib/NCEP/NAM/CONUS_80km/NAM_CONUS_80km_20181213_0000.grib1 In TDS 4.6, it's godiva2, not godiva3, and is found at the bottom of the catalog under "Viewers": https://thredds.ucar.edu/thredds/catalog/grib/NCEP/NAM/CONUS_80km/latest.html?dataset=grib/NCEP/NAM/CONUS_80km/NAM_CONUS_80km_20181213_0000.grib1 Cheers, Sean > Dear unidata, > Me again. I tried to change units of datetime dimension from "years since > 2000" to "calendar years since 2000", but TDS5 seems do not know this kind of > units, it give me the message as follows: > "Problem creating dataset mydata/climate2.nc at > /home/salmon/tds/test/testdata2/climate2.nc > Cause: > No grids found in underlying NetCDF dataset > " > So does tds4.6. > Another question, I can not find godvia3 entrance in tds5, where is it? > Thanks. > Best wishes to you. Ticket Details =================== Ticket ID: FXL-249077 Department: Support THREDDS Priority: Normal Status: Open =================== NOTE: All email exchanges with Unidata User Support are recorded in the Unidata inquiry tracking system and then made publicly available through the web. If you do not want to have your interactions made available in this way, you must let us know in each email you send to us.