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Great Lakes Tech Diving

Month: January 2016

The Dept. of Redundancy Department

Posted January 28, 2016February 5, 2018 rick5440Posted in Safety Procedures, Uncategorized

Not that long ago, there weren’t any personal dive computers (PDCs) for technical divers.  No PDC that could handle multiple gasses.  None that could compute a decompression schedule for helium-based gasses like trimix.  Back in those dark times, we planned […]

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