No audio available for this content. A controlled radiation-pattern antenna can preserve GNSS positioning while providing at least an azimuth angle towards an interference source. If integrated with ...

Validation requires ground truth. With help from the PNT community, we identified a GPS jammer operating near 27.32°N, 52.87°E (approximately 50 km southwest of Shiraz) that was active on Jan. 8 and ...

Project: Autonomous Localization for GPS-denied Aerial Tracking and Reconnaissance (ALLIGATR) Team Abstract: ALLIGATR is an unmanned aerial system designed for navigating and surveying ground ...

Autonomous navigation and localisation of unmanned aerial vehicles (UAVs) in environments where satellite signals are unreliable or unavailable has become a critical research frontier. Traditional ...

Tracking drones or whales under the ocean is very difficult because GPS signals break down rapidly in seawater. Typically tracking objects underwater is done using acoustic signaling, but tracking ...