BASE is an acronym that stands for; Building, Antenna, Span (ex. a bridge), Elevation (ex. a cliff). To become a "base jumper", participants in this extreme sport are required to parachute from at least one of each of the four structures/elevations that make up it's name.
Pro snowboarder, Jim Rippey can be seen performing a base jump from an antenna in the movie, TB8.
73👍 34👎