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