Digital networks

Not voice, but data over the air: position reports, high-speed IP backbones and self-organising mesh networks — infrastructure that radio amateurs build themselves and operate independently of the internet.

  • APRS

APRS

Automatic Packet Reporting System — short data packets transmitted via radio show in real time on a map who and what is where: positions, weather, messages and telemetry.

  • HAMNET

HAMNET

High-speed Amateur Radio Multimedia NETwork — an IP backbone operating at 5 GHz, developed by the amateur radio service, with around 30 Swiss sites and over 600 km of link routes.

  • AREDN

AREDN

Amateur Radio Emergency Data Network — a meshed TCP/IP radio net with speeds of up to 54 Mbps for emergency radio and data applications.

  • LoRa

LoRa

Long Range, Low Power — wireless IoT technology operating at 868 MHz and 433 MHz using Chirp Spread Spectrum (CSS), with ranges of several kilometres and battery life lasting for years.