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From: Joel Coopmans <u99854@kb*.be*>
Subject: Re: New subscriber intro
To: saphire@ix*.ne*.co* (joan coval) (joan coval)
Date: Tue, 26 Sep 95 14:59:32 MET
Cc: techdiver@terra.net

> 
> Where did you get 1993 USN tables?  Thanks -Joan-
> 
 
 I've got mine from the NELOS federation ( Belgian (Dutch) branch of CMAS.
 In Belgium they are available from most dive shops in either Dutch or French
 version.
 They are called NELOS or BEFOS or FEBRAS '94 tables, but are in fact 99.9%
 copied from the U.S. NAVY DIVING MANUAL revision 3 (15.02.1993).

 The difference between the local version and the real USN '93 tables is that
 most of the exceptional exposure tables have been removed to keep the
 size of the slates reasonable.

 The difference between the USN '93 and the USN '70 tables is that some      
 non-deco times are shortened , some decompressions have become more
conservative
 and the rules in case of exceptions (e.g. missing the deco stops) have changed.

 Best regards,

Joel Coopmans              
Supply Chain Software          To dive or not to dive,
Analyst-programmer             that's the question.
e-mail: u99854@kb*.be*    
tel : +32 2 422 7297

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