DPV - Diver Propulsion Vehicle
FOV - Field Of View
CCD - Charged Coupled Device
GPS - Global Positioning System. A government run series of satellites used to compute a receivers physical position on the surface of the earth.
ATV - Amateur Television
KC8CLD - ATV Call Sign
R.C. Transmitter - Remote Control
Ikelite - A manufacturer of water proof housings for non-water proof cameras.
JVC - An electronics manufacturer of cameras.
Gopro Cameras - Used around the world by active people.