GPS (GNSS/IMU), dual frequency geodectic GPS, GNSS receivers, Inertial Navigation Systems/Unit (INS), Inertial Measurement Unit (IMU) most frequently used: IGI AEROcontrol with AEROoffice processing software Applanix POSAV with POSPAC processing software NovAtel SPAN with GrafNav Inertial Explorer software (including Waypoint / Novatel GrafNav GPS processing software)
