Kevin Williams         Principal Physicist         Ocean Acoustics Dept.         Applied Physics Laboratory         University of Washington      Russ Light         Principal Engineer         Ocean Engineering Dept.         Applied Physics Laboratory         University of Washington      Tim Wen         Senior Mechanical Engineer         Ocean Acoustics Dept.         Applied Physics Laboratory         University of Washington      APL-UW Internal Funds	SORFED stations use an underwater hydrophone to listen to the sound in the water produced by natural (e.g., rain, wind) and manmade (e.g., boats) processes. It also uses a web camera placed several feet above the water to allow the user to look for interesting activities that may have underwater noise associated with them. Instructions To view video and listen to audio from a SORFED station, click a location on the map.