Barometer Conversions

Barometer Height Correction

Barometer Location Correction

Barometer Temperature Correction

Compass Errors (Celestial Horizon)

Compass Errors (Visible Horizon)

Dip of the Sea Short of the Horizon

Direction and Speed of True Wind

Distance to Object by Measuring Height in Degrees

Distance to Object by Taking Two Bearings

Distance to the Horizon

Distance 1 (From Horizon to Top of Object Beyond Horizon)

Distance 2 (From Height of Object in Degrees)

Distance 3 (From Bottom of Object to Horizon Beyond)

Feet, Meters, Fathoms, Conversions

Geographic Range (Distance)

Great Circle Sailing

Length of a Degree of Latitude & Longitude

Mercator Sailing

Meridional Angle and Altitude

Meridional Parts

Relative Humidity and Dew Point

Speed, Time, Distance, Calculations

Table of Time Zones

Temperature Conversions

Traverse Calculations

Pub. 229 Triangle Calculator

Wind speed converter