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From: <tgunther@co*.co*>
To: "Jarrod Jablonski" <jjcave@ib*.ne*>
cc: "John Grogan" <jgrogan@di*.or*>, techdiver@aquanaut.com,
     decoplan@gu*.co*
Date: Mon, 10 Jan 2000 16:59:50 -0800
Subject: Re: SAMPLE DECO DIVE - 220 FOR 25
JJ:

John has shared a couple of his personal insights below.    I would be
interested in hearing what some of your own general "rules of thumb" might be to
new users of Deco Planner?

Thanks in advance,
Tod

----------------------------------------------------
When I started, I was using a low GF of about 20-30% and a high GF of 80-85%.
.... I became more comfortable with the plans and discussing it with the others,
we decided to push the high GF's a little, going up to 90% and we now use 100%.
The low GF has pretty much stayed at 20% for the more extreme stuff and maybe
30% for shallow dives.

A simple rule of thumb to remember about the GF's is that the low GF determines
where your first deep stop starts - so on more extreme dives, it would be
prudent to start your stops deeper.  The high GF determines how much time you
spend on your last stop, so a more conservative value will give you longer at
that stop.  The intermediate stops are then interpolated on the GF low-high
line.


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