{ "0":"wind sea and swell estimated shipborne wave recorder", "1":"wind sea and swell measured shipborne wave recorder", "2":"mixed wave measured, swell estimated shipborne wave recorder", "3":"other combinations measured and estimated shipborne wave recorder", "4":"wind sea and swell measured buoy", "5":"mixed wave measured, swell estimated buoy", "6":"other combinations measured and estimated buoy", "7":"wind sea and swell measured other measurement system", "8":"mixed wave measured, swell estimated other measurement system", "9":"other combinations measured and estimated other measurement system" }