Basic concepts and principles of Geodesy

Explain what Geodesy is concerned with.
• Identify the three pillars of Geodesy.
• Explain 5 terms used in Geodesy.
• Represent with the aid of a diagram the reference surfaces of a geoid and ellipsoid showing geoidal undulation
• Identify the essential elements of ellipsoid geometry
• Identify the two main ellipsoids most commonly used to describe the shape of the Earth.
• Describe the main attributes of a geodetic datum.
• Explain the 4 elements of geodetic dimensional positioning.