visad/src/main/java/ucar/nc2/iosp/gempak/GempakGridReader.java
public void printNavBlock() {
    StringBuilder buf = new StringBuilder("GRID NAVIGATION:");
    if (navBlock != null) {
      buf.append(navBlock.toString());
    } else {
      buf.append("\n\tUNKNOWN GRID NAVIGATION");
    }
    System.out.println(buf.toString());
  }
public void printNavBlock() {
    StringBuilder buf = new StringBuilder("GRID NAVIGATION:");
    if (navBlock != null) {
      buf.append(navBlock.toString());
    } else {
      buf.append("\n\tUNKNOWN GRID NAVIGATION");
    }
    System.out.println(buf.toString());
  }
Print out the navigation block so it looks something like this:
<pre>
GRID NAVIGATION:
PROJECTION:          LCC
ANGLES:              25.0   -95.0    25.0
GRID SIZE:           93  65
LL CORNER:           12.19   -133.46
UR CORNER:           57.29    -49.38
</pre>