Hi, I’m catudp. I tinker with Raspberry Pi, SDR, and ADS-B reception.
Small experiments, simple notes, and occasional radio/antenna DIY. 🍵
01 Mar, 2026 RTL-SDR Blog V4: Upgrade or Downgrade? – Part 3
26 Feb, 2026 RTL-SDR Blog V4: Upgrade or Downgrade? – Part 2
23 Feb, 2026 RTL-SDR Blog V4: Upgrade or Downgrade? – Part 1
23 Feb, 2026 From Router Crashes to Stability (Using Tailscale Exit Node)
21 Feb, 2026 Indoor Window Antenna – Part 2: Measured Results
21 Feb, 2026 Indoor Window Antenna – Part 1