Hi Paul how are things going with you on the road with all this snow??
    I had a quick question for you.  Lately I've been looking at some
home study types of instructor prep. materials, specifically the NAUI
Master SCUBA Diver CD rom, Seas the Day from the Canadian National SCUBA
School, some thing with no name from Diver's Unlimited and a set of
Video's from Lifeguard Systems Inc..  Do you know anything about these
and/or is there something else I should look at.  At this point I think
the area that I really need the most brush up on is the diving
physiology as there has been a significant amount of research done since
I last sat down and studied this topic in any great detail.  A couple of
areas that come to mind are those of inert gas narcosis effects at depth
and bone necromacy studies.  I don't know if this information is
contained in the NOAA manual or not as I can't yet afford that
particular resource.
    Anyway good luck in the snow.  May all your trips end at their
proper destination.
     Dennis
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