High Altitude diving

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LUK4WIND - 05 Aug 2004 01:09 GMT

Hi,

I want to eventually do some dives in the crystal clear water of lakes in the
Sierra Nevada mtns. The altitude ranges from about 8,000 ft above sea level
to about 10,000ft above sea level. Are there any sources of information on
high altitude diving online? I am aware of high altitude dive tables, but are
there tables for this height? Any info or guidance to more information is
appreciated.

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LUK4WIND & CHASE IT
PLEASE NO SPAM

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Scott - 05 Aug 2004 03:27 GMT

> Hi,
>
[quoted text clipped - 4 lines]
> there tables for this height? Any info or guidance to more information is
> appreciated.

There is tons of info available, and most wrist computers will give you the
info you seek.

Do a google search on altitude diving, and hit Larry Harris' site.

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Bryan Heit - 05 Aug 2004 14:38 GMT

>Hi,
>
[quoted text clipped - 6 lines]
>
>

There are altitude tables readily available at many dive shops which
allow you to adjust for altitude. Problem, in your case, is that most
of these tables end at 10,000. The tables themselves are not that hard
to use, but if you are unsure of how to use them you may want to team up
with someone who does altitude diving (or failing that you can take an
altitude course). I'm not too sure where you go for information above
10,000' - you can calculate the corrections manually but I am unsure if
there are other safety precautions on procedural changes you have to do
to dive at these altitudes. . .

Bryan

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TonyH - 05 Aug 2004 19:00 GMT

> >Hi,
> >
[quoted text clipped - 11 lines]
> with someone who does altitude diving (or failing that you can take an
> altitude course).

Sounds like another PADI 'speciality' rip-off just like the Diving With
Manatees course in rystal River, Florida (at a location where only
snorkelling was allowed!).

I'm not too sure where you go for information above

> 10,000' - you can calculate the corrections manually but I am unsure if
> there are other safety precautions on procedural changes you have to do
> to dive at these altitudes. . .
>
> Bryan

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Bryan Heit - 05 Aug 2004 21:35 GMT

> Sounds like another PADI 'speciality' rip-off just like the Diving With
>
>Manatees course in rystal River, Florida (at a location where only
>snorkelling was allowed!).

Hence the "or failing that" bit. The course itself is a waste of time -
the tables are pretty easy to use (you basically plan your dive with the
"equivalent" depth on the table, rather then the true depth). But even
a "rip-off" speciality is better then nothing - and screwing up an
altitude table can be a damn sight worse then failing your fish-ID
course - unless you mis-ID a hungry man-eating tiger shark. . .

Bryan

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