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Date: Fri, 26 Jun 1998 17:04:15 -0700 (PDT)
From: Jon Breazile <breazile@ne*.co*>
To: cavers@ca*.co*, techdiver@aquanaut.com
Subject: Re: Decompression Software
John Brady wrote:
>I am interested to here what type of software divers are using to do their
>dempression schedules.  If you are using straight tables, why?  Pro/Cons or
>just opinions wanted.

I have been using Decom and zplan (for raw Bulhmann). I add in deep stops
and pull my 10 ft at 20. I use 35%, 50% (for long exposures) and 100% for
deco. For bottom mix I go low O2 and high Helium. If my CNS get up there
I do back gas breaks every 20 -25 minutes (for 5 minutes) and count it 
towards deco. Usually my 20ft stops are fairly short (30 minutes or so)
so I end up doing my back gas break half way through the stop if I'm
worried about CNS.

I log my dives on a nitrox computer (set to 50% so it does not lock out)
and run my actual profiles after the dive to see how I did on deco. So
far I have found out that I can do 2/3 of my 20 foot stop (using decom)
and get out of the water with no problems. I have been diving like this 
for a while now, and have had good results. I have been tested for a PFO,
so I don't have to worry about that.

-Jon
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