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From: "Stuart Morrison" <divebimbo@li*.fr*.co*.uk*>
To: "TechDiver" <TechDiver@aquanaut.com.>
Subject: Deco software, Zplan, etc...
Date: Mon, 7 Jun 1999 19:37:05 +0100
Thanks to everyone who replied.

The reason I asked was that I have been working on a commercial dive
planning package which for legal liability reasons I have decided not yet
to sell to the diving public -- if someone gets bent and has been on my
tables who will they blame?

Instead, I thought about making the program available free of charge like
ZPlan but I wasn't sure if it was worth the hassle -- I wanted to know if
people were actually passing up Abyss, Proplanner, etc. for some freeware
off the web. It looks like they are, so I am going to go ahead and
distribute it free (for evaluation purposes only).

You can see my program at http://www.lizardland.freeserve.co.uk but for
availability contact me direct. My program runs on WIN 95, 98 or NT4. It is
a Buehlmann based algorithm, but seems a little more conservative than
other programs when run with the same safety settings. It does Pyle deep
stops, plus it has an alternative method (suggested by a team of German
cave divers, credit to Juergen Bohnert) for deep stops which I have been
using, but isn't well tested. Other features:

* altitude settings (limited testing)
* ideal gas suggestions based on ppO2 and narcosis limits
* multi-level diving
* calculates no-deco limits, even on multi-level dives
* cold & exertion modifiers
* CC rebreather diving (untested!!!)
* O2 exposure tracking
* dive plan can be saved, loaded, edited and printed
* user definable last stop depth from 3m to 9m (without affecting the
depths of previous stops as Zplan does)
* fresh/salt water setting
* optimised algorithm for gas mixes with high helium contents or heliox
* rough seas setting -- redistributes the stop times at 3m & 6m to allow
the 3m stop to be done anywhere from 4m-2m -- not everyone has perfect
buoyancy control!!!

One drawback -- it is only available (and will ever only be available) in
metric.

WARNING: for legal reasons I have to say that this program is for
demonstration and evaluation purposes only. It should not be used for
planning actual dives or used in a situation where anyone's life is
endangered by its use. It will only be supplied on the understanding that
the user does not use it for actual diving underwater, or any hyperbaric
application, or its figures it produces be used in any such way. It may
contain errors and may produce results which are erroneous and/or false --
use of these figures may kill you. Diving should be done using established
dive planning methods -- this program is purely for comparison, evaluation
and to give the user a chance to comment on the product.

Obviously, once you have it I have no control over what you do with it but
it is supllied on the understanding that you stick to the limits above.

Availabilty is by snail mail -- send me three blank disks and a stamped,
self-addressed envelope and I will supply the software. For the first
couple of weeks UK enquiries only please! When I have looked into supplying
it outside the UK I will post again (hopefully by the end of the month). In
the meantime if you have any questions please e-mail me directly.

Regards and safe diving,

Stuart.


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