KeepNav
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Notes from the road
How KeepNav is built and tested — with real numbers, including the bad ones.
A voice assistant that never leaves your phone
Whisper, Gemma and a wake phrase in Ukrainian — fully offline, in two to three seconds.
Read →Driving blind: how we keep a car on the map without GPS
Odometer, gyroscope, the road graph and your route — and why the first minute after parking is the hardest.
Read →Why your phone thinks it is in Peru — and how to catch it
Satellites below the horizon, impossible Doppler and a poisoned leap second: the evidence a spoofer leaves behind.
Read →