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To: techdiver@opal.com
Subject: Re: Proported MigPlan Bend
From: Jody Svendsen <svendsen@sh*.ne*>
Date: Thu, 17 Nov 1994 15:08:31 -0500 (EST)
>But perhaps you need someone who was actually diving *MiGplan* rather 

> 4.  As for the safety of MigPlan....I have used this table extensively over 
> the last 12 months on many gas dives to the same depth/duration.  Dive plan 
> has off He as soon as possible & use 2 nitrox gases for deco (32 & 80).  
> Safety factor is only b (5%) as MigPlan has built in safety in taking 
> ascent to first stop as part of bt.  Maybe I'm lucky for the average beer 
> swilling middle 30's diver, but so far so good (touch wood).  The case you 
> mentioned may have more to do with other factors than the table.

We seem to have missed this thread until now; I think there may have been 
a problem with our incoming mail.

I agree with Richard's analysis.  I greatly appreciate details of any 
mixed gas hits so that we can develop a feel for what types of profiles 
seem to be more hazerdous.

Just a nit-pick; MiG Plan generates tables based on the Huggins and
Buhlmann algorithms.  It is not accurate to say this person was bent on
MiG Plan; he was bent on Buhlmann tables.  Some of the other programs have
made changes to the models, and in these cases it may be somewhat accurate
to say that a person was bent on them.  MiG Plan develops tables 
faithful to the original design of the models, and therefore deserves 
neither credit nor blame for the reliability of its output.  

	Jody Svendsen
	MiG Technologies

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