This is no finish software! You see only a demo, no finished user interface or what ever. Only the data behind is the thing, you can test. It is designed to be used with Java 1.1 or higher. The real ham's actor needs Java 1.3 and up.
The following countries are implemented for reading a callsign:
Note: There is no database of call signs, the software analyze a call sign with roules and at the end you get your information.
Sourcecode? You can find it in the applet archive! (It's included)