# APRS

AI-generated

The Automatic Packet Reporting System:
positions, messages, objects, weather and telemetry
sent as [AX.25](../ax25/index.html.md) UI frames,
spread by [digipeaters](../digipeater/index.html.md)
and gatewayed to the internet (APRS-IS) by [IGates](../igate/index.html.md).

## References

* [The APRS Documentation Project](https://github.com/wb2osz/aprsspec) - collected specifications, including `APRS101.pdf`, `Understanding-APRS-Packets.pdf` and `APRS-Digipeater-Algorithm.pdf`
* [APRS-IS](https://www.aprs-is.net/)
* [APRS on Wikipedia](https://en.wikipedia.org/wiki/Automatic_Packet_Reporting_System)