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May 27, 2026

post

216.430 MHz Once Per Second for Six More Weeks

Radio Telemetry Wildlife Tracking

The RDF receiver was still in the field case from the meteorite failure. Swept 216 MHz to test it. Someone's tagged a ptarmigan out there.

radio outdoors nature science electronics

code-a-day

Averaging Compass Bearings Without Breaking Geometry

Circular Mean 🔗 Radio Telemetry Wildlife Tracking

Why you can't average 350° and 10° the normal way, and the trigonometric fix that saves your triangulation.

geometrynavigationmathematicswildlife-tracking

game

🎮 Signal Sweep Track wildlife via radio telemetry by rotating a directional antenna and switching frequencies to locate all tagged animals before your battery dies.