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Hi Paul, Would it be possible to upload a sample data file here: http://motherlode.ucar.edu/repository/alias/idvupload Let us know when it is uploaded. Best, Unidata IDV Support > Full Name: Paul McCrone > Email Address: address@hidden > Organization: FNMOC > Package Version: 5.4 build date:2017-05-18 16:06 UTC > Operating System: Linux > Hardware: Java: home: /home/mccronep/IDV_5.4/jre version: 1.8.0_51 > j3d:1.6.0-pre12-daily-experimental daily > Description of problem: There was an error loading the data: > Error creating data source:file.grid with: > /home/mccronep/data/NOAAPORT/gre/sat/TIRU13_KNES_151745.sat.nc > Grid data source failed making data set: > /home/mccronep/data/NOAAPORT/gre/sat/TIRU13_KNES_151745.sat.nc > Must specify semi_minor_axis > > ****************** > Stack trace: > java.lang.IllegalArgumentException: Must specify semi_minor_axis > at > ucar.nc2.dataset.transform.Geostationary.makeCoordinateTransform(Geostationary.java:111) > at > ucar.nc2.dataset.CoordTransBuilder.makeCoordinateTransform(CoordTransBuilder.java:218) > at > ucar.nc2.dataset.CoordSysBuilder.makeCoordinateTransforms(CoordSysBuilder.java:985) > at > ucar.nc2.dataset.CoordSysBuilder.buildCoordinateSystems(CoordSysBuilder.java:577) > at ucar.nc2.dataset.NetcdfDataset.enhance(NetcdfDataset.java:475) > at ucar.nc2.dataset.NetcdfDataset.<init>(NetcdfDataset.java:1462) > at ucar.nc2.dataset.NetcdfDataset.openDataset(NetcdfDataset.java:433) > at ucar.nc2.dataset.NetcdfDataset.acquireDataset(NetcdfDataset.java:528) > at ucar.nc2.dt.grid.GridDataset.open(GridDataset.java:117) > at ucar.nc2.dt.grid.GridDataset.open(GridDataset.java:103) > at > ucar.unidata.data.grid.GeoGridDataSource.doMakeDataSet(GeoGridDataSource.java:1189) > at > ucar.unidata.data.grid.GeoGridDataSource.getDataset(GeoGridDataSource.java:1211) > at > ucar.unidata.data.grid.GeoGridDataSource.initAfterCreation(GeoGridDataSource.java:513) > at ucar.unidata.data.DataManager.createDataSource(DataManager.java:1577) > at > ucar.unidata.idv.IntegratedDataViewer.createDataSource(IntegratedDataViewer.java:1978) > at > ucar.unidata.idv.IntegratedDataViewer.makeDataSource(IntegratedDataViewer.java:1895) > at > ucar.unidata.idv.IntegratedDataViewer.makeDataSource(IntegratedDataViewer.java:1829) > at > ucar.unidata.idv.IntegratedDataViewer.makeDataSource(IntegratedDataViewer.java:1802) > at ucar.unidata.idv.chooser.IdvChooser.makeDataSource(IdvChooser.java:943) > at ucar.unidata.idv.chooser.FileChooser.selectFilesInner(FileChooser.java:659) > at ucar.unidata.idv.chooser.FileChooser.selectFiles(FileChooser.java:528) > at ucar.unidata.idv.chooser.FileChooser.doLoadInThread(FileChooser.java:550) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:497) > at ucar.unidata.util.Misc$2.run(Misc.java:1215) > at ucar.unidata.util.Misc$3.run(Misc.java:1243) > > > Ticket Details =================== Ticket ID: SNN-106715 Department: Support IDV 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.