koozemani
Contributor
Google "scuba diving communications".
Never would have thought of that. Is that on the internetty thing that all the kids are using.
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Google "scuba diving communications".
Scuba Signs, despite their claims is hardly a diving standard, in fact it has a major problem in that many, many of the signs are two handed, something that, while not unknown, is considered by most authorities to be undesirable.
Here's a story based around understanding and misunderstanding underwater hand signals: Missing Diver Hand Signal Thread