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Showing results 1 to 14 of 14
Search took 0.00 seconds. Search: Posts Made By: rwidman
Forum: Marine Electronics 15-01-2015, 09:09
Replies: 357
Views: 36,644
Posted By rwidman
Re: Another foundering how do chart plotters get it wrong

It's not the GPS that is wrong, it's the chart. (Not that this hasn't already been said a couple dozen times in this thread). If they were using a paper chart and plotting their position on the...
Forum: Marine Electronics 13-01-2015, 13:23
Replies: 357
Views: 36,644
Posted By rwidman
Re: Another foundering how do chart plotters get it wrong

I think the whole argument started because of the wording of your original post which seemed to imply that the boat went aground because of some error in a chart plotter.

I don't know how it got...
Forum: Marine Electronics 13-01-2015, 12:28
Replies: 357
Views: 36,644
Posted By rwidman
Re: Another foundering how do chart plotters get it wrong

What's this "straw man" reference and how did this thread turn to that?
Forum: Marine Electronics 13-01-2015, 06:18
Replies: 357
Views: 36,644
Posted By rwidman
Re: Another foundering how do chart plotters get it wrong

As is often the case, the original posting has gotten lost in a bunch of name calling and bumping of *ick heads!

I have my own opinion on chart plotters and I'm sure everyone else does. And I'm...
Forum: Marine Electronics 12-01-2015, 11:12
Replies: 357
Views: 36,644
Posted By rwidman
Re: Another foundering how do chart plotters get it wrong

The people complaining about the "newfangled electronic charts" are the same ones who complained when people started driving cars instead of horses. :rolleyes:

My chart plotter has never led me...
Forum: Marine Electronics 11-01-2015, 13:43
Replies: 357
Views: 36,644
Posted By rwidman
Re: Another foundering how do chart plotters get it wrong

Well, the original question -"how do chart plotters get it wrong" was answered way back. Now it's just a bunch of guys trying to impress each other. Me, I'm not impressed. :nonono:
Forum: Marine Electronics 10-01-2015, 12:59
Replies: 357
Views: 36,644
Posted By rwidman
Re: Another foundering how do chart plotters get it wrong

If a teacher had to argue with thirty students over four plus four equaling eight, very little learning would happen.

You are there to learn from the teacher. If you think the teacher is wrong,...
Forum: Marine Electronics 09-01-2015, 07:08
Replies: 357
Views: 36,644
Posted By rwidman
Re: Another foundering how do chart plotters get it wrong

OK you're old fashioned!

If you're out of sight of land or even out of sight of landmarks, you don't really know where you are in the "real world".
Forum: Marine Electronics 09-01-2015, 05:02
Replies: 357
Views: 36,644
Posted By rwidman
Re: Another foundering how do chart plotters get it wrong

Yea, we should not use those newfangled chart plotters. Real mariners use paper charts (and sextants, lead lines, etc.)

Probably the biggest advantage of a chart plotter is that it doesn't just...
Forum: Marine Electronics 08-01-2015, 05:04
Replies: 357
Views: 36,644
Posted By rwidman
Re: Another foundering how do chart plotters get it wrong

Considering that we are at the helm piloting the boat, that would seem to be accurate enough. The GPS is a tool to help navigate. What you see in front of you with your own eyes is the most...
Forum: Marine Electronics 07-01-2015, 06:08
Replies: 357
Views: 36,644
Posted By rwidman
Re: Another foundering how do chart plotters get it wrong

The GPS is normally accurate to within several feet. The chart, not so accurate. My GPS chart shows me on the other side of my marina fairway, about 60 feet from where the chart shows my slip. A...
Forum: Marine Electronics 05-01-2015, 14:48
Replies: 357
Views: 36,644
Posted By rwidman
Re: Another foundering how do chart plotters get it wrong

The problem with "crowdsourcing" data is that half of the "crowd" is below average intelligence. You only have to read active captain to realize this.
Forum: Marine Electronics 05-01-2015, 07:26
Replies: 357
Views: 36,644
Posted By rwidman
Re: Another foundering how do chart plotters get it wrong

That has been my experience. Both with marine and auto GPS.
Forum: Marine Electronics 05-01-2015, 07:12
Replies: 357
Views: 36,644
Posted By rwidman
Re: Another foundering how do chart plotters get it wrong

I can't speculate how this captain grounded his boat but chart plotters contain electronic copies of paper charts. If the paper chart is wrong, the electronic copy will be wrong. Garmin and others...
Showing results 1 to 14 of 14

 
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