Difference between revisions of "Chart error"

From International Dictionary of Marine Aids to Navigation
Jump to navigation Jump to search
m (1 revision)
m (1 revision)
(No difference)

Revision as of 16:37, 29 March 2009


Position errors in the chart caused by inaccuracies in surveying and by errors in the reference geodetic system.

- Circular error probable (CEP). The radius of a circle, centred on the measured position, inside which the true position lies with 50% confidence.

- Confidence interval. The numerical range within which an unknown is estimated to be with a given confidence.

- Confidence level. The percentage of confidence that a given statement is correct, or the percentage of confidence that a stated interval (numerical range) includes an unknown.

- Confidence limits. The extremes of a confidence interval.