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Forwarded message:
Subj:    Real Life Scare
Date:    96-09-21 11:34:19 EDT
From:    HBA InterA
To:      gmiiii@in*.co*
CC:      cavers@ge*.co*

You wrote:

> We plan our dives but things happen, and we just had one that was supposed
to 
>go 130 minutes at 285 that went 155 minutes, but as usual , we figured it
out 
>and had the right amount of gas, but then w are not really very concerned
with 
>this kind of thing as we do it all of the time and know it works. In fact, I
had 
>no tables on me for anything beyond 100 minutes, I just worked it out while 
>sitting at 200 before I went up. If you can do it at 200 on air, it can not 
>really be all that challenging.

Can you please advise on how exactly you do your calculations with no tables.
 I do not do near the type of diving that you do, but would like to know in
order to use this for myself.  In my Tech classes no one ever showed us how
to do these calculations without having any tables.  Can you write down an
example.

Jess Miller
HBA Interamericas Ltd.
Kingston, Jamaica
809-967-2399

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