0 h 20 m, 1 jan 1963 ano - First Multibeam Sounding

Descrição:

In 1963, the first operational multibeam sounding system was installed in order to observe a large amount of soundings to each side of a ships head as well as vertically. The system was installed on the USNS Compass Island.

This event is significant because it allowed scientists to create an accurate map of the seafloor.

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