Shurumburum

field notes & small experiments

2026-10-02

Antenna tuning on the balcony

Notes on matching a short wire to 50 ohms and what the SWR meter actually tells you.

2026-09-14

Weekend packet radio

A tiny AX.25 beacon built from a spare handheld and a Raspberry Zero.

2026-08-30

Logging the meteor scatter

First attempts at catching reflections with an RTL-SDR and a folded dipole.