So You Bought an RTL-SDR. What Now?
A practical first look at radio using a cheap USB receiver: broadcast FM, amateur radio, aircraft, radiosondes, weather satellites, the ISS, antennas and a little GNU Radio.
Read entry →Notebook / field notes
Rabbit holes, documented for posterity.
Technical write-ups, field notes, reflections, and overcomplicated answers to questions that were supposed to be simple.
- Published
- 6
- Featured
- 3
- Tags in use
- 30
- Last updated
- 2026-07-05
Front shelf
Featured writing
Ramblings from an organisational spree
a.k.a I should be putting things away instead of blathering on
Configuring a Custom Domain with GitHub Pages and Squarespace
A practical apex-domain setup for GitHub Pages on Squarespace DNS, including canonical records, domain verification, and HTTPS issuance checks.
Charlieplexing 6 LEDs on an ATTiny85
How to bully six LEDs into behaving with just three pins, a timer interrupt, and a tiny bit of smugness.