a buoy station that includes a seasurface structure that floats at {TAIL ~ the sea surface} but which can drift, and a buoy that floats at a depth of a plurality of tens of meters but closer to the sea surface than the seafloor, said {HEAD ~ platform} being horizontally spaced from said buoy by a distance that is greater than the average depth of the sea 
a buoy station that includes a seasurface structure that floats at { TAIL ~ the sea surface } but which can drift , and a buoy that floats at a depth of a plurality of tens of meters but closer to the sea surface than the seafloor , said { HEAD ~ platform } being horizontally spaced from said buoy by a distance that is greater than the average depth of the sea
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH