acoustic calibration

I always enjoy calibrating the acoustic instruments on our research vessels around South Georgia. It usually means taking the ship into a sheltered harbour called Stromness Bay. As you enter the bay you enjoy stunning views of three now uninhabited whaling stations (Leith, Stromness and Husvik), fur seals and penguins huffing and puffing on the beaches, and entertain some small satisfaction of looking at the salvation of Shackleton’s epic rescue of his crew of the Endurance, stranded 800 miles away on Elephant Island.