How Accurate Is TDOA Geolocation?

By Michael Knott, CRFS Ltd.

TDOA (Time Difference Of Arrival), also called multilateration, is a technique for RF emitter geolocation using three or more receivers with algorithms to locate a signal source from the different arrival times at the receivers. As new users are introduced to TDOA, the question often asked is, “How accurate is TDOA?” This article answers the question with an in depth explanation on the factors that can have an impact on overall TDOA accuracy. Download the full article for more information.