Will my Garmin get 50x more accurate GPS in cities?

Not from this project. It was tested in a phone app using the phone’s camera. A bike computer would need a camera or radar facing the buildings, and no brand has announced one.

Why is GPS so bad between tall buildings?

Buildings block some satellite signals and reflect others. A reflected signal travels further than it should, so your device places you metres out, often on the wrong side of the street.

urban positioning Archives -

50x more accurate urban GPS for cyclists – new method

9 November 2026

tfk the5krunner

Tall buildings throw your ride onto the wrong side of the street. Cyclists have tested a…