Morganstern — Notes https://morganstern.tech/notes/ Notes from George Morganstern — detection engineering, security, and building AstraIQ. en-gb Sun, 01 Nov 2026 00:00:00 +0000 Building a TETRA Scanner with an RTL-SDR https://morganstern.tech/notes/tetra-scanner.html https://morganstern.tech/notes/tetra-scanner.html Sun, 01 Nov 2026 00:00:00 +0000 Building RF Drive with Codex, detecting TETRA burst patterns with an RTL-SDR, and comparing recorded activity with real road-test encounters. Using Wi-Fi to Detect Physical Movement https://morganstern.tech/notes/wifi-motion-sensing.html https://morganstern.tech/notes/wifi-motion-sensing.html Sun, 01 Nov 2026 00:00:00 +0000 Using three ESP32 boards and WaveLab, built with Codex, to detect physical movement through changes in Wi-Fi signals. Security gates in CI for a one-person startup https://morganstern.tech/notes/ci-security-gates.html https://morganstern.tech/notes/ci-security-gates.html Wed, 22 Jul 2026 12:00:00 +0000 Why a solo founder runs security gates in CI — and the four boring config failures that quietly switched them off. The smartest part of my AI app isn't AI https://morganstern.tech/notes/smartest-part-isnt-ai.html https://morganstern.tech/notes/smartest-part-isnt-ai.html Wed, 22 Jul 2026 11:00:00 +0000 AstraIQ's Week Orchestrator: the AI plans the week, a deterministic rules engine referees it — and why the referee can't be a model.