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Nautical Calculators |
National Geospatial-Intelligence Agency Maritime Safety Information Division
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Altitude Correction for Air Temperature Compass Error from Amplitudes Observed on the Celestial Horizon
Correction of Barometer Reading for Gravity Correction of Barometer Reading for Temperature Correction of Barometer Reading for Height Above Sea Level Distance of an Object by Two Bearings
Compass Error from Amplitudes Observed on the Visible Horizon Length of a Degree of Latitude and Longitude Dip of the Sea Short of the Horizon
Altitude Factors and Change of Altitude in a Given Time from Meridian Transit Great Circle Sailing
Distance of the Horizon Relative Humidity and Dew Point
Latitude and Longitude Factors
Barometer Measurement Conversions Meridian Angle and Altitude of a Body on the Prime Vertical Circle Conversion for Meters, Feet and Fathoms Mercator Sailing
Table of Offsets
Meridional Parts Altitude Correction for Atmospheric Pressure Compute Geographic Range using height
Natural and Numerical Chart Scales - Statute / Nautical Speed for a Measured Mile (time/distance)
Calculate the Sight Reduction Tables for Marine
Nav (Pub. No. 229) Temperature Conversions (F, C, K) Calculate data in the Traverse table Logarithmic and Trigonometric Functions Calculator
Distance by Vertical Angle Measured Between Sea Horizon and Top Distance by Vertical Angle Measured Between Waterline at Object and Top Distance by Vertical Angle Measured Between Waterline at Object and Sea Horizon
Direction and Speed of True Wind Time Zones, Zone Descriptions, and Suffixes
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