Nautical Calc

Celestial Navigation Calculators

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Compass Error from Amplitudes Observed on the Visible Horizon

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Altitude Correction for Air Temperature

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Table of Offsets

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Latitude and Longitude Factors

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Altitude Correction for Atmospheric Pressure

Open

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Altitude Factors & Change of Altitude

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Sight Reduction Tables for Marine Navigation (Pub. No. 229)

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Compass Error from Amplitudes Observed on the Celestial Horizon

Open
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Meridian Angle and Altitude of a Body on the Prime Vertical Circle

Open


Distance Calculators

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Length of a Degree of Latitude and Longitude

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Speed for Measured Mile and Speed, Time, and Distance

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Distance of an Object by Two Bearings

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Distance of the Horizon

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Distance by Vertical Angle Measured Between Sea Horizon and Top of Object Beyond Sea Horizon

Open

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Traverse Table

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Geographic Range

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Distance by Vertical Angle Measured Between Waterline at Object and Top of Object

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Dip of Sea Short of the Horizon

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Distance by Vertical Angle Measured Between Waterline at Object and Sea Horizon Beyond Object

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Meridional Parts

Open


Weather Data Calculators

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Direction and Speed of True Wind

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Correction of Barometer Reading for Height Above Sea Level

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Correction of Barometer Reading for Gravity

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Temperature Conversions

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Relative Humidity and Dew Point

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Correction of Barometer Reading for Temperature

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Barometer Measurement Conversions

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Conversions, Log and Trig, Sailing, Time Zone Table Calculators

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Chart Scales and Conversion for Nautical and Statute Miles

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Conversion for Meters, Feet and Fathoms

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Logarithmic and Trigonometric Functions

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Great Circle Sailing

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Mercator Sailing

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Time Zones, Zone Descriptions, and Suffixes

Open