: Draw Lines of Position (LOPs) on a plotting sheet . The point where multiple lines intersect is your actual position. 📱 Modern Alternatives Charles Vaillancourt - Facebook

: The primary instrument used to measure the angle between the horizon and a celestial body.

: Estimate your current location based on your last known fix, speed, and heading.

: Used to translate raw angular measurements into usable lines of position on a chart. 🛠️ The Standard Procedure