RF Environment Baseline & Rogue Transmitter Detection — AM Waterfall, Pulse Fingerprinting, TDOA, HackRF Scanner

Scene 91 — Live AM band waterfall showing legitimate vs off-grid carriers. Frey-effect pulse parameter detection targets (Lin 2022). Rogue transmitter geolocation via TDOA and single-receiver direction finding. Working Python scanner code for RTL-SDR and HackRF.

Scene 91 of 109 in the StopBeingParanoid interactive 3D research collection. Requires JavaScript and WebGL2 for the interactive visualisation.

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