An optical tracking system is available at the National Test Center for Unmanned Aircraft Systems. The system consists of two stationary units and a mobile unit, which can be freely positioned.

The chain may no longer keep us together. The NFL is moving forward this preseason with an optical tracking system for line-to-gain rulings, sources tell CBS Sports. The system had been tried out ...

and the way that we test it is that we have all the actual data that will then support what we’re getting from the optical tracking data that’s being brought in,” Aponte said. It’s different from, but ...

Design a low-cost, ground-based, optical tracking system for space situational awareness (SSA) and space traffic management (STM).