IMU

NovAtel SPAN® GNSS Inertial Navigation Systems. SPAN® integrates NovAtel’s industry leading Global Navigation Satellite System (GNSS) technology with Inertial Measurement Units (IMUs) to create a tightly coupled GNSS INS solution at data rates up to 200 Hz, for reliable, continuously available, position, velocity and attitude-even through short periods of time when satellite signals are blocked or unavailable. 

VectorNav offers high quality IMUs that are light-weight and well priced.

NavtechGPS sells a range of receiver, IMU and antenna options are available to meet accuracy and size requirements for nearly any application.