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Nav finder and underwater compass – basic underwater navigation tools Suunto SK-7 diving compass in aftermarket wrist mount with bungee straps. Diver navigation, termed "underwater navigation" by scuba divers, [1] is a set of techniques—including observing natural features, the use of a compass, and surface observations—that divers use to navigate underwater.
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The first commercially successful orienteering thumb compass was the Norcompass, introduced by Suunto in 1983. [ 1 ] Placing an even greater emphasis on speed over accuracy, the wrist compass lacks even a baseplate, consisting solely of a needle capsule strapped to the carpometacarpal joint at the base of the thumb; the thumb serves the ...
Consider this your ultimate camping checklist with expert-tested gear and apparel from Coleman, Stanley, Patagonia, Osprey, Thermacell, and other brands.
A dive computer, personal decompression computer or decompression meter is a device used by an underwater diver to measure the elapsed time and depth during a dive and use this data to calculate and display an ascent profile which, according to the programmed decompression algorithm, will give a low risk of decompression sickness.
Technical Diving Instructor Trainer Courses TDI offers an instructor trainer workshop which is a 7-day program to achieve the greatest level of certification offered by the agency. Technical Divemaster Course The Technical Divemaster Course is the first step to achieving Leadership certification. Divemasters learn the physics involved in diving ...
Basic Cave Diving: A Blueprint for Survival, also commonly referred to by the subtitle alone, A Blueprint for Survival, is a short book on safe scuba diving procedures for cave diving by pioneer cave diver Sheck Exley, originally published in 1979, by the Cave Diving Section of the National Speleological Society.
[2] [7] Their reason for the move to bluetooth was to make a computer that could be used on multiple operating systems. [2] The Predator's two button design has been called "intuitive and easy to use". [9] The top-of-the-line [clarification needed] Predator will also allow for up to five breathing gases for the rebreather and up to five bail ...