Compass on Skadi Squad

Compass Inclination: Understanding Tilt in the Earth’s Magnetic Field

Wed, 01 Apr 2026 00:00:00 +0000

Navigation is an old and essential practice — determining your position and direction relative to the Earth’s surface. Inclination is a key concept for understanding the Earth’s magnetic field and its effects on navigation. This article looks at inclination in navigation: definition, significance, historical context and practical applications.

Compass Interference: Precision Despite Magnetic Disturbances

Wed, 01 Apr 2026 00:00:00 +0000

Understanding the disturbances of a magnetic compass is critical for accurate navigation. External factors such as magnetic declination, ferrous objects, electromagnetic interference, temperature variations, and external forces can affect compass readings. Magnetic declination represents the angular difference between true north and magnetic north. Ferrous objects and nearby magnets can alter the local magnetic field and cause deviations. Electromagnetic interference from electronic devices can impair the accuracy of the compass. Temperature variations affect materials and magnetic properties within the compass. External forces such as vibration and motion can cause temporary disturbances. To maintain accuracy, users must be aware of these factors, hold the compass level, calibrate regularly, and avoid sources of interference.

Magnetic Anomalies – What They Are and Why They Matter to Navigators

Mon, 15 Jan 2024 00:00:00 +0000

Magnetic anomalies refer to variations in the strength of the Earth’s magnetic field at different locations on the Earth’s surface. These anomalies are critical for scientists and researchers in the fields of geophysics, geology, and environmental sciences — and an important factor for navigators when working with a compass.