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Learn about waves concerning diving. How do waves form and break? Waves: height, length, frequency and propagation. Ripples, Seas and Swells. The fetch and...
Understanding currents is an important part of dive planning. Currents are caused by tides, global wind patterns, and upwellings. Big currents, called gyres, go...
This video demonstrates several ways to communicate while night diving, above as well as under the surface. This video is for demonstration purposes only...
This video gives top safety tips for night dives. Improve your dive skills. Not intended to replace formal instruction. For more information on night...
A video lesson. M-values refer to the maximum nitrogen loading of compartments. Different models use different M-values. Computer models use conservative M-values. Fast compartments...