APRS is a packet radio system used in Amateur radio that can be used to broadcast position, weather and small text messages.
| Frequency | Region |
|---|---|
| 144.39 MHz | North America |
| 144.575 MHz | New Zealand |
| 144.64 MHz | China, Taiwan |
| 144.66 MHz | Japan |
| 144.80 MHz | Europe |
APRS-IS is the APRS Internet System. It is a system that relays APRS messages over the internet.
Connect to the APRS-IS server, send user 0 pass -1\n to authenticate as a guest. And then data will start flooding, read line by line.
You will want to occasionally send ping\n to keep the connection open.