First-person technical write-ups of a hobbyist's amateur radio and APRS projects, covering self-hosting an APRS-IS server, bridging a WeatherFlow Tempest to APRS, and debugging a packet station. Each issue walks through the troubleshooting process, including what went wrong and why.

A German amateur radio blogger shares practical and opinionated posts on email QSL confirmations, setting up FLDigi for contests, and managing station locations in Wavelog for portable operation. Readers get clear, hands-on explanations plus occasional humour about the hobby.

RDUMesh is a community-run, off-grid radio mesh network in North Carolina's Triangle area, and this newsletter covers its technical setup, such as region scoping for MeshCore repeaters and low-power solar hardware choices. It is practical for operators and an accessible explainer for newcomers.

PassiveRadar.com is a DIY site covering passive radar, which detects objects by listening to echoes of existing TV, FM and satellite broadcasts. Recent issues cover unusual applications such as meteor and wildlife tracking, and an essay and legal memo on export-control (ITAR) barriers to open-source passive radar.