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The RDP was developed by DSAT and was the first dive table developed exclusively for no-stop recreational diving. [2] There are four types of RDPs: the original table version first introduced in 1988 along with a circular slide rule version called The Wheel, followed by the eRDP, an electronic version introduced in 2005 and the eRDPML, an ...
CMAS** scuba diver is a certification for recreational scuba diving issued by the Confédération Mondiale des Activités Subaquatiques (CMAS). which indicate that the diver has been found competent to dive in open water to a maximum depth of 40 meters, accompanied by another diver with equivalent or higher certification, with no dive leader ...
The log may either be in a book, locally hosted software, or web based. The log serves purposes both related to safety and personal records. Information in a log may contain the date, time and location, the profile of the dive , equipment used, air usage, above and below water conditions, including temperature, current, wind and waves, general ...
Usually, SSI benefits, which are payments for low-income seniors and disabled people, come on the first business day of each month but since Dec. 1 falls on a Sunday this year, SSI payments for ...
Personal dive computer display of dive profile and log data A dive profile is a description of a diver's pressure exposure over time. It may be as simple as just a depth and time pair, as in: "sixty for twenty," (a bottom time of 20 minutes at a depth of 60 feet) or as complex as a second by second graphical representation of depth and time ...
On short duration dives the P O 2 can be raised to 1.2 to 1.6 bar. This reduces the P N 2 and/or P He, and will shorten the required decompression for a given profile. Breathing air deeper than 30 metres (100 ft) (pressure > 4 bar) has a significant narcotic effect on the diver. As helium has no narcotic effect, this can be avoided by adding ...
SSI was founded by Robert Clark in 1970. [2] SSI headquarters was in Fort Collins, Colorado, and it is owned by Concept Systems International, Inc.In 2008, it was acquired by Doug McNeese, owner of the National Association of Scuba Diving Schools (USA) until its merger with SSI in 1999, and Robert Stoss, manager of Scubapro and Seemann Sub.
EN 14153-1/ISO 24801-1 Recreational diving services - Safety related minimum competence requirements for the training of recreational scuba divers - Part 1: The level 1 "Supervised diver" has sufficient knowledge, skill and experience to dive, in open water, to a recommended maximum depth of 12 m, which do not require in-water decompression ...
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