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Search took 0.00 seconds. Search: Posts Made By: requiem
Forum: Navigation 23-12-2022, 17:36
Replies: 59
Views: 5,521
Posted By requiem
Re: What confidence do you have in your charts?

Possibly unpopular opinion: the charts are generally OK, so long as good navigational practices are followed.

For the "children of the magenta line"... that could be an issue.
Forum: Navigation 23-12-2022, 08:29
Replies: 59
Views: 5,521
Posted By requiem
Re: What confidence do you have in your charts?

What, you're not watching for the seagulls or a periscope? :biggrin:

https://youtu.be/Q0yL0ddfgWc?t=1182

Edit: I'm not sure you'd have much time if you saw the numbers dropping rapidly, or good...
Forum: Navigation 21-12-2022, 18:48
Replies: 59
Views: 5,521
Posted By requiem
Re: What confidence do you have in your charts?

I try to do similar with routes, but too often wanting to clear one object or pass close by another meant got in the way of making the numbers pretty. Of course, if it's all open water there's...
Forum: Navigation 21-12-2022, 12:56
Replies: 59
Views: 5,521
Posted By requiem
Re: What confidence do you have in your charts?

I am curious as to how you concluded they were based on UTM. As far as I understand it, conversion between UTM and lat/lon should be accurate down to a few millimeters, if not nanometers these days....
Forum: Navigation 19-12-2022, 09:03
Replies: 59
Views: 5,521
Posted By requiem
Re: What confidence do you have in your charts?

I've seen it described as more a reversal; in the old days the charts would be considered more accurate and the ship's position uncertain. Now, the ship's position is considered more certain, and...
Forum: Navigation 18-12-2022, 23:54
Replies: 59
Views: 5,521
Posted By requiem
Re: What confidence do you have in your charts?

Yep, the 3rd party charts may be a mix-n-match of various sources and often won't have the quality data. Sometimes they may mention the source, or you can guess based on what notes are present. On...
Forum: Navigation 18-12-2022, 22:36
Replies: 59
Views: 5,521
Posted By requiem
Re: What confidence do you have in your charts?

Under the View menu, "Show ENC Data Quality" will overlay the appropriate CATZOC symbols. Right-clicking a point and selecting "Object Query..." will bring up additional information, in this case...
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