cdm/src/main/java/ucar/nc2/iosp/nowrad/NOWRadiosp.java
public boolean isValidFile(ucar.unidata.io.RandomAccessFile raf) {
    NOWRadheader localHeader = new NOWRadheader();

    return (localHeader.isValidFile(raf));
  }
public boolean isValidFile(ucar.unidata.io.RandomAccessFile raf) {
    NOWRadheader localHeader = new NOWRadheader();

    return (localHeader.isValidFile(raf));
  }
checking the file

@param raf
@return the valid of file checking