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Tag Archive: computer


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A Technical Wreck Instructor’s Tips – Best Wreck Diving Equipment By Andy Davis As a passionate wreck exploration diver with more than 25 years experience, I often get asked equipment advice by recreational and technical wreck diving students. Over many years, I have found a few ‘favourite items’ that I now use all the time […]

Scuba diving skills and techniques

 How to Judge Your Ascent Rate Without a Dive Computer by Andy Davis Novice divers often express frustration about how to best conduct safe and controlled ascents from their scuba dives. In particular, I see many new divers questioning the best technique for judging their ascent speed.  The common use of dive computers has automated […]

Technical versus Recreational Scuba Diving:  Why is there a need for Rules, Boundaries and Limitations? There is currently a strong debate about the need to differentiate between recreational and technical scuba diving. Some people believe that ‘diving is diving’ and question the need to draw a distinct boundary between recreational and technical diving pursuits. In […]

TDC-3 technical diving computer

The Best Technical Diving Computers 2019 by Andy Davis Here’s my list of the best open circuit technical diving computers on the market in 2019. Note: I am only including ‘true’ technical diving computers; because there are some awful impostors on the market nowadays.  Manufacturers may simply boast that a computer offers multiple gasses and/or […]