GBSAAGround-Based Sense and Avoid (US DoD)
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The Gbsaa system takes data over fibre optic cables or microwave links from a number of airspace sensors (three SRC Lstar radars in the first application) and computes the risks of UAV-collisions associated with other aircraft tracks.
Under the Ground Based Sense and Avoid (GBSAA) initiatives with the US Air Force to repurpose existing National Airspace System (NAS)-certified radars, UAS operators and controllers will have access to more information to help them make safer decisions.