https://n0de73.com/tags/emcomm/Recent content in Emcomm on NØDEHugoen-usThu, 08 Oct 2026 17:00:00 -0700https://n0de73.com/blog/command-control-over-mqtt/Thu, 08 Oct 2026 17:00:00 -0700https://n0de73.com/blog/command-control-over-mqtt/Reaching a home station from the field when there’s no RF path. Direct LoRa failed because the local mesh is sparse, so the command gateway was bridged to MQTT and answered over the internet, on an encrypted channel, with no infrastructure in between.https://n0de73.com/blog/email-over-radio/Wed, 07 Oct 2026 13:30:00 -0700https://n0de73.com/blog/email-over-radio/Winlink moves email over radio with no internet. The station runs it and the console wraps it, so you can read and send from the dashboard, and a field report from the mesh can go out as formal radio email.https://n0de73.com/blog/field-command-gateway/Wed, 07 Oct 2026 12:00:00 -0700https://n0de73.com/blog/field-command-gateway/A small bot on the station that answers short commands sent from the field over LoRa mesh or APRS: weather, grid, a situation report, nearby repeaters, a callsign lookup. One dispatcher, several radios, a private channel for the keys.