Deep water radio-acoustic buoy

Claim 1

A RADIO-ACOUSTIC BUOY FOR MARKING A PREDESIGNATED BOTTOM LOCATION IN EXTREMELY DEEP WATER COMPRISING, IN COMBINATION, A SUBSURFACE FLOAT POSITIONED ABOVE SAID LOCATION; A BOTTOM ANCHOR POSITIONED AT SAID PREDESIGNATED BOTTOM LOCATION; A FIRST ELECTRIC CABLE HAVING A LENGTH SUFFICIENT TO EXTEND FROM SAID SUBSURFACE FLOAT TO A SHORT DISTANCE ABOVE THE OCEAN BOTTOM; MEANS FOR CONNECTING THE UPPER END OF SAID ELECTRIC CABLE TO SAID SUBSURFACE FLOAT AND THE LOWER END TO SAID BOTTOM ANCHOR, SAID LAST-MENTIONED MEANS INCLUDING A PAIR OF SWIVELS FOR PREVENTING TWISTING OF SAID ELECTRIC CABLE;