www.davidcmartin.com
Navigation Programs

General Programs

• Sunrise
• Time / Speed / Distance
• Meters, Feet & Fathoms Calculator
• Direction and Speed of True Wind
• Temperature Conversions
• Barometer Measurement Conversions
• Relative Humidity and Dew Point

Sailing Programs

• GC Sailing

  • GC Sailing - Version 2 -  Minutes & Seconds
  • GC Sailing - Various Earth Models - most accurate GC Distance
  • Great Circle Dead Reckoning

• Mercator Sailing

Celestial Programs

• Dip
• Sun's Information and Sight Reduction
• Time Zones/Time Zones, Zone Descriptions, and Suffixes

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Programs collected by David C. Martin
www.davidcmartin.com