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HBAInterA@ao*.co* wrote:
> 
> ---------------------
> 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
> 
> --
> Send mail for the `techdiver' mailing list to `techdiver@terra.net'.
> Send subscription/archive requests to `techdiver-request@terra.net'.
He obviously uses the 'Law of Averages' calculations that every PADI
diver learns in their open water course.

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