| U or PGUP | zooms up (wider view) |
| D or PGDN | zooms down (narrower view) |
| L | lists stations heard to the Java console |
| W | lists only weather station reports to the Java console |
| B | lists beacons to the Java console |
| I | lists ID reports to the Java console |
| M | lists last 25 messages to the Java console |
| CTRL-click | centers map on clicked location |
| ALT-click | zooms in on clicked location |
| Arrow keys | scrolls map |
javAPRS and APRServe written by Steve Dimse, K4HG.
Steve's javAPRS page.
APRS is a registered trademark of APRS Software and
Bob Bruninga, WB4APR