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Subject: RE: [worldcruising] Electronic Charts systems
mark_melvin@XXX.XXX
Date: Thu Jan 25 2001 - 08:42:32 EST
The Raytheon chartplotter units are all running embedded Windows
OS, and they quite honestly don't crash and they have nothing to
get "corrupted" as the OS is burned into EPROMs inside.
Instability of Operating Systems on PCs is usually due to
improper device drivers, mismatched subcomponents (all the .DLL's
thrown in the mix by shareware & competing commercial developers)
and the death stroke - improper shutdown leading to physical
corruption of the OS files.
The embedded systems are safe from all that. There are plenty of
medical devices in hospitals that run on embedded Windows OS, but
to be certifiable for that type of use they must be
"unreconfigurable" so that nobod can mess with them. They are,
and they work.
The reason that Linux machines don't have problems as commonly is
simple. It takes a bit more forethought to develop an application
and nobody loads shared .DLLs for applications on UN*X.
Coincidentally, I have a Raytheon RayChart 520 with HSB (dual
station radar/chart capability) that I'm about to sell on Ebay.
Email me if you're interested in a deal.
Mark Melvin
OC 461 "devocean"
http://www.beneteau-owners.com volunteer webmaster
(if you've got a Beneteau, please visit _your_ website ;-)
----- Forwarded by Mark Melvin/Information Evolution on 01/25/01
08:35 AM -----
[<IMG SRC=/beneteau.nsf/files/bar.gif/$FILE/bar.gif>]
"Arthur Plottier" <arthurplottier@XXX.XXX>
Sent on 01/25/2001 07:16 PM ZE10
by:
To: worldcruising@XXX.XXX
cc:
Subject RE: [worldcruising] Electronic Charts systems
:
The GPS systems that I know are not based in Win OS. Their are
using
programed in code or "c"
I did nos ask about GPS alone. My question was about the dedicated
chart
plotters like Simrad which get the input from a GPS.
Cheers
Arthur
>From: "Kelly McDaniel" <kelly.mcdaniel@XXX.XXX>
>Reply-To: worldcruising@XXX.XXX
>To: <worldcruising@XXX.XXX>
>Subject: RE: [worldcruising] Electronic Charts systems
>Date: Wed, 24 Jan 2001 14:58:03 -0700
>
>Perhaps the operating systems used for the GPS satellites
themselves are
>using Win 95 or Win 98? I would strongly urge you to reconsider
>alternatives
>to relying solely on GPS for navigation.
>Just some food for thought.
>Kelly _/)
> -----Original Message-----
> From: Arthur Plottier [mailto:arthurplottier@XXX.XXX]
> Sent: 2001 January 24 2:11 PM
> To: worldcruising@XXX.XXX
> Subject: [worldcruising] Electronic Charts systems
>
>
> Hi,
> As we know there are two common ways in having an electronic
chart
> plotter on board. One is based on using a PC or laptop and the
other
> based on a dedicated chart plotter.
>
> My experience with the failure in Win 95 and Win 98 is making
me very
> nervous on using just the software on a laptop.
>
> What is the reliability of the dedicated chart plotters using
C-Map?
>
> My intention is not to rely only on the electronics, so I will
carry
> some paper charts however I am not planning to use a sextant
based on
> my experience on GPS system
>
> Appreciate any inputs.
>
>
>
>
>
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