How can you see APRS transmitters online?

Many people and vehicles use APRS to broadcast their location.  Their radios act as beacons, and they can be seen online here:  (Give it a minute to load – you may have a lot of data to show in your area.)  This map provides up-to-date, accurate location information showing people, vehicles, boats, etc., as they continuously transmit packets GPS of data to other APRS-compatible radios.  Take a look and see for yourself.

You can see a recent snapshot of APRS activity across the U.S. here, from late 2010:  As you can see, most of the APRS traffic takes place in urban areas or near highways, but plenty of people in rural areas use APRS too.

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