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The decompression tables or software used to plan the dive, [22] The equipment used to control and monitor depth and dive time, such as: personal dive computers, depth gauges, and timers, [23] Shot lines, surface marker buoys (SMBs), Decompression buoys (DSMBs) and decompression trapezes [23] diving stages (baskets), wet and dry bells,
Decompression (diving) – Pressure reduction and its effects during ascent from depth; Decompression sickness – Disorder caused by dissolved gases forming bubbles in tissues; Decompression theory – Theoretical modelling of decompression physiology; Dive computer – Instrument to calculate decompression status in real time
Ratio decompression (usually referred to in abbreviated form as ratio deco) is a technique for calculating decompression schedules for scuba divers engaged in deep diving without using dive tables, decompression software or a dive computer.
Decompression may be shortened (or accelerated) by breathing an oxygen-rich "deco gas" such as a nitrox with 50% or more oxygen. The high partial pressure of oxygen in such decompression mixes create the effect of the oxygen window. [74] This decompression gas is often carried by scuba divers in side-slung cylinders.
Ratio decompression (usually referred to in abbreviated form as ratio deco) is a technique for calculating decompression schedules for scuba divers engaged in deep diving without using dive tables, decompression software or a dive computer.
During a year off from studies, Huggins trained as a diving instructor, and later assisted on an instructor training program with Dan Orr and Lee Somers at Wright State University, during which he gave a lecture on decompression models and early dive computers, and met Craig Barshinger, who had recently stated a company named Orca to develop and market microprocessor based dive computers.
Technical diver decompressing after a mixed gas dive to 60m. A Pyle stop is a type of short, optional deep decompression stop performed by scuba divers at depths well below the first decompression stop mandated by a conventional dissolved phase decompression algorithm, such as the US Navy or Bühlmann decompression algorithms.
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.