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APRS: Automatic Position Reporting System
APRS is a system developed by Bob Bruninga, WB4APR, which uses amateur radio to transmit position reports, weather reports, and messages between users.
What you are looking at here is a number of position reports from amateur radio operators in El Dorado County. At times you may see vehicles, planes, or boats moving around town. These vehicles obtain their location using the satellite system known as GPS, and transmit that position for others to follow. There are also a few weather stations visible on the map. Click on one of these to see their current weather conditions.
You can select different maps from the menu at the bottom of the applet, zoom in and out, and scroll with different keys.
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