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Forum: Navigation 01-01-2023, 12:12
Replies: 59
Views: 5,521
Posted By El Pinguino
Re: What confidence do you have in your charts?

Nothing wrong with Cook's cartography. Having worked his way from Point Hicks to Torres Strait I believe his longitudes when he arrived up the top were a mere 12 miles adrift by today's reckoning.
...
Forum: Navigation 23-12-2022, 17:41
Replies: 59
Views: 5,521
Posted By El Pinguino
Re: What confidence do you have in your charts?

GPS tells you - very accurately - where you are in relation to a constellation of satellites.

Your compass, your radar, your sounder, and your eyes tell you where you are in relation to the land...
Forum: Navigation 18-12-2022, 23:22
Replies: 59
Views: 5,521
Posted By El Pinguino
Re: What confidence do you have in your charts?

Under the view menu the 'data quality' is shaded but -being cheap - I am using CM93 and RNC charts - no ENC.

This thread was prompted by a number of recent threads where some people seemed to...
Forum: Navigation 18-12-2022, 21:30
Replies: 59
Views: 5,521
Posted By El Pinguino
What confidence do you have in your charts?

What confidence do you have in your charts - be they paper or electronic?
Bear in mind that both paper and electronic use the same 'source material'

This should be essential reading for all....
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