I'm new to the list, so I'll give you my intro. I don't consider myself a technical diver yet, but with a degree in physics, strong curiosity, and a love of diving, I want to be. I'm trying to learn all I can, and I recently found aquaCorps and subscribed, and just found this list today. I live in Hermosa Beach, in Los Angeles, and dive the Channel Islands as much as I can. About the only parts of my rig that you might find interesting are a drysuit (an Oceaner, un-crushed neoprene), an OMS low-pressure 120 cuft cylinder, and a Nemesis computer, non-Nitrox version (so far). So as a new member, I'm looking for all good sources of information, good books, other journals, and anything (stores, clubs, someday divesites, whatever) in LA that I can get to. In the near term, I have a question about nitrox and trimix. My buddy just took an ANDI course. My schedule didn't let me at the last minute, so I missed it. I am about to take the same course, but now I have a few questions for you all. Is there any reason I should get IANTD certified instead of ANDI? is there much difference? is either better? Is nitrox training a prerequisite for trimix? It will be a long time, I think, before I have all the training and gear (and experience) to step up to trimix, but if it includes nitrox as a subset, why not go directly to a trimix certification? fyi: I've been reading some old letters on nitrox, IANTD and ANDI, hoping to not waste bandwith by reposting FAQs (sorry if I have), but the server's been slow today and I don't have everything yet. I have found a few postings discussing nitrox replacing air for standard divers. My original certification is NASDS, and I belive they considering nitrox. I think they were also the first agency to teach with a safe second instead of buddy breathing. Thanks for the help and info, Roger Carlson roger@ch*.sp*.tr*.co* 49A 15th st. Hermosa Beach, CA 90254 310-812-0430 w 310-376-4437h
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