Pat — Open-Source Cross-Platform Winlink Radio Email Client
Sends and receives standard internet emails, emergency position reports, and NOAA/Met Office weather GRIB files over HF/VHF radio via UK & European Winlink RMS gateways when local broadband and mobile networks are completely dark.
Verified UK Configuration Blueprint & Ofcom Clearance
Transport: VARA HF / ARDOP / AX.25 Packet (VHF 144.950MHz / HF 80m & 40m UK RMS Gateways) or Telnet • Local Web GUI: http://localhost:8080 • Requires valid UK Ofcom Amateur Radio Callsign for RF TX (No encryption permitted on Amateur bands)
UK Regulatory & Licensing Notes: Cleared to install, configure & test over Telnet or RX-only for all UK citizens. Transmitting over HF/VHF radio gateways requires a valid UK Ofcom Amateur Radio Callsign (Foundation/Intermediate/Full) and unencrypted cleartext traffic per Ofcom Amateur Radio Licence conditions.
Technical Deployment Specifications
| Software Stack | Pat — Open-Source Cross-Platform Winlink Radio Email Client (v0.16.x (MIT License)) |
|---|---|
| Open-Source Licence | MIT Open Source |
| Supported Platforms | Linux • Raspberry Pi / ARM • macOS • Windows |
| Offline Storage Footprint | 18 MB binary (localhost:8080 Web UI) |
Paired UK Stocked Hardware & Related Software
- Companion Hardware: OGA-RF-055
- Companion Hardware: OGA-RF-003
- Companion Hardware: OGA-CMP-007
- Companion Hardware: OGA-CMP-005
- Companion Hardware: OGA-RF-004
- Companion Hardware: OGA-RF-052
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Frequently Asked Questions
How should Pat — Open-Source Cross-Platform Winlink Radio Email Client be configured for legal off-grid use in the UK?
Transport: VARA HF / ARDOP / AX.25 Packet (VHF 144.950MHz / HF 80m & 40m UK RMS Gateways) or Telnet • Local Web GUI: http://localhost:8080 • Requires valid UK Ofcom Amateur Radio Callsign for RF TX (No encryption permitted on Amateur bands) Regulatory status: Cleared to install, configure & test over Telnet or RX-only for all UK citizens. Transmitting over HF/VHF radio gateways requires a valid UK Ofcom Amateur Radio Callsign (Foundation/Intermediate/Full) and unencrypted cleartext traffic per Ofcom Amateur Radio Licence conditions.
Which UK hardware systems pair directly with Pat — Open-Source Cross-Platform Winlink Radio Email Client?
Pat — Open-Source Cross-Platform Winlink Radio Email Client (MIT Open Source, footprint: 18 MB binary (localhost:8080 Web UI)) runs on Linux, Raspberry Pi / ARM, macOS, Windows and pairs directly with OGA-RF-055, OGA-RF-003, OGA-CMP-007, OGA-CMP-005, OGA-RF-004, OGA-RF-052.