With a focus on applications where GPS is either unavailable or inadequate, Setter Research, Inc. is structured around accelerating the development of technologies that provide accurate positioning, navigation, and timing in diverse environments. The firm employs state-of-the-art RF sensors and signal processing to implement custom PNT solutions. High-performance RF sensors. RF ranging and time transfer Linear fine timing (LFT) is the state-of-the art in RF ranging and time transfer, providing high-precision in a band-limited, frequency agile and flexible configuration Angle of arrival and orientation sensing Very low size, weight, and power orientation sensors. Applicable to navigation, collision avoidance, and electronic warfare applications. Integrated PNT systems Combining inertial, vision, RF, and other sensors with real-time optimal estimation to provide practical and cost-effective PNT solutions