chart datum

Found 16 'chart datum' sentence examples to help you understand how to use chart datum in a sentence.

• All soundings on a navigation chart are referenced to chart datum.
• Sounding are given below chart datum.
• One of the PTs was absent this week, and her chart datum was coded as incomplete.
• Appropriate content changes have been made in this tide table to conform to the newly defined chart datum.
• Minimum Entrance Channel Depth at chart datum for MMPT, South Basin and West Basin is declared monthly by the port.
• Elsewhere, the level of chart datum is determined by the country having primary charting responsibility for the area.
• Chart datum is not a horizontal surface but may be considered as such over a limited local area.
• Channels are maintained at 8.2 m (27') minimum over chart datum.
• Height corrections are applied to give the predicted height of the tide for the survey location in centimetres above chart datum.
• In particular, there is no uniformity concerning the chart datum: some charts use the lowest astronomical low water line, whilst others use the mean lower low water springs.
• Tabular values are reckoned from chart datum.
• PNG, a chart datum of Mean Sea Level is sometimes adopted.
• The diagram shows that true track is less than the grid track The difference is the chart convergency between the datum meridian and your location.
• Variations in the ranges and heights of tide where the chart sounding datum is Indian Spring Low Water.
• Make sure the chart you are using matches the datum that the GPS is based on (read the manual).
• Plot Incident and datum Times on Tidal Current chart.