Roger Revelle is equipped with an extensive suite of navigation and communications instruments and devices. This equipment allows precise navigation and control of the ship and worldwide ...

The nocturnal is a navigational instrument that was first invented in the 16th Century. By focusing on the stars it can estimate the time to within 10-15 minutes. The outer edge of the instrument ...

The Ritchie system sends a single precise heading from the MagTronic sensor to an auto-pilot and all navigational instruments, including Loran, GPS, Sat/Nav and radar. The helmsperson then sets ...