visad/src/main/java/ucar/nc2/iosp/gempak/GempakSoundingIOSP.java
protected void fillNCFile() throws IOException {
    String fileType = gemreader.getFileSubType();
    buildFile(fileType.equals(GempakSoundingFileReader.MERGED));
  }
protected void fillNCFile() throws IOException {
    String fileType = gemreader.getFileSubType();
    buildFile(fileType.equals(GempakSoundingFileReader.MERGED));
  }
Build the netCDF file

@throws IOException problem reading the file