Abstract: Provided is a conductivity temperature depth (CTD) observation information calibrating method and the CTD observation information calibrating method incudes receiving CTD observation raw information; calibrating the CTD observation raw information; and outputting calibrated CTD observation information.

Abstract: Provided is an apparatus for assisting in dropping an unmanned marine observation device, the apparatus including a support part installed on a ship, a column part installed to be movable in a horizontal direction relative to the support part, a first link member having the other end linked to an upper side of the column part, a second link member having the other end linked to one end of the link member, and a holding unit installed on the second link member so as to be movable in a longitudinal direction of the second link member, in which the holding unit is configured to hold an outer periphery of the unmanned marine observation device.

Abstract: Provided is a position control apparatus of an unmanned marine observation device, the position control apparatus including a main body part including a hollow portion into which the unmanned marine observation device is coupled, a movement part extending outward from the main body part and configured to move the unmanned marine observation device and the position control apparatus in the ocean, a GPS signal receiver configured to receive a GPS signal and produce position information on the basis of the GPS signal, and a controller configured to control an operation of the movement part on the basis of the GPS signal.