| 摘要 |
A mooring device includes a tethering cable for tethering a buoyant object, at least one instrument package assembly attached to the buoyant object and through part of which at least the tethering cable passes, connecting cable connecting the buoyant object and the instrument package assembly and formed into a coiled configuration, and means for releasing the instrument package assembly from the buoyant object so that it can be allowed to fall from the buoyant object under its own weight down the tethering cable to a depth predetermined by the available length of the connecting cable. Preferably the arrangement is such that the connecting cable is wrapped round the tethering cable as the instrument package assembly falls and the connecting cable is electrically conductive.
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