Before revision: In oceanography, a sofar bomb (Sound Fixing And Ranging bomb), occasionally referred to as a sofar URL is a long-range position-fixing system that uses explosive sounds in the deep sound channel of the ocean to enable pinpointing of the location of ships or crashed planes.
After revision: In oceanography, a sofar bomb (Sound Fixing And Ranging bomb), occasionally referred to as a sofar URL is a long-range position-fixing system that uses impulsive sounds in the deep sound channel of the ocean to enable pinpointing of the location of ships or crashed planes.