Mercury — HERMES HF Modem

Mercury is part of the HERMES project (High-Frequency Emergency and Rural Multimedia Exchange System) by Rhizomatica, funded by ARDC and others.

Mercury is a software modem for sending email, files and messages over HF radio — the kind of link you have when there is no internet, no phone network and no power grid worth speaking of.

Start here: Getting Started · Graphical interfaces · Configuration · Docs · Mailing list · App Store (iPhone, iPad)

Help wanted: Apple hardware. We build and test the macOS and iOS apps in a macOS virtual machine on an Intel PC, so we have never run the arm64 builds on real Apple hardware with a radio ourselves. Any ARM64 Apple device helps: an Apple Silicon Mac (M1 or later), an iPhone or an iPad, and any donation is welcome. Please write to the [mailing…