Precision Outdoor and Indoor Navigation and Tracking for Emergency Responders (POINTER)
Currently under development by the U.S. Department of Homeland Security Science and Technology Directorate and the National Aeronautics and Space Administration Jet Propulsion Laboratory (NASA JPL), POINTER is a precision positioning sensor system that locates first responders via low-frequency magnetic fields that can transmit signals through materials including wood, concrete, brick, and rebar. (DHS Video by Science & Technology Directorate/Released)