Next message: Hank Janssen: "Re: lv-ab: GPS-->Notebook: Nav Software"
I am trying to remember where I read it, (Ocean Navigator Maybe?) But in
the article they said that the US was about to allow the use of electronic
charts on professional vessels (freighters and the like) without the need
for paper backups very soon.
Hank.
> Quite apart from the inherent system errors with GPS or any other system
> for that matter:
> Recreational boaters come from a wide range of experience.
> Some have formal training in navigation other learn on their own.
> Moer often they use a variety of techniques some of which are not really
> appropriate for electronic navigation.
> The worst case scenario is when they rely blindly on the display as
> being a true representation of the real world.
>
> Even with formal training programs there is little in the way of
> instruction regarding the transition from paper to e-chart work. The
> whole subject is so new that it becomes a transition process which
> changes faster than curriculums can be developed.
>
> As often as not, there is an implicit assumption that the paper char
> proceduers can be translated directly into electronic applications.
> Popular software packages which combines radar overlays with e-charts
> tend to give a false sense of reality. In many ways it resembles a
> virtual computer game.
> Professional mariners taught the traditional methods are much more
> rigerous in their approach to check for mistakes and errors. The
> relative ease with which GPS instantaneously places aan icon on what is
> depicted as the real time p [osition ona chart display creates a fals
> sense of security.
> Recreational boaters lacking this formal and more rigorous technique may
> not even realize the risks they are running.
>
> Sales hype employed by almost all the software companies encourage the
> false impression of infallibility. The hype tends to make people think
> navigation is easy and quickly learned by beginners.
>
> Cheers
>
> Arild
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