APRS Cave-Link uses the amateur radio’s Automatic Packet Reporting System (APRS) inside caves to get their position data (and other messages) out. Imagine that you’re coordinating a large scale search ...
In the early 1990s, Bob Bruninga, an instructor at the United States Naval Academy in Annapolis, devised an interesting stunt: he wanted to track the Army/Navy game football on its travels from ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback