Deployment and Translation of a set of hydrophones and test panels into an underwater acoustic facility.

NPL is seeking a solution for the deployment and translation of a set of hydrophones and test panels into an underwater acoustic facility. The facility is an underwater acoustic calibration tank consisting of a large wooden vessel (5.5m in diameter and 4.7m deep) filled with potted water. The calibration activities will be performed with either 2 or 3 hydrophones and a test panel deployed at the mid-depth point of the vessel. The hydrophones and test panel are mounted at the end of carbon fibre poles. The design of...