Elementary Surveying | Measurement of Angles and Directions | Concept

Introduction to Meridians00:00:00

Explanation of how directions are defined using reference lines called meridians, covering true, magnetic, grid, and assumed meridians.

Units of Angular Measurement00:21:17

Overview of standard units used in surveying: degrees, gradians, mils, and radians, including their relationship for a complete revolution.

Types of Angles00:22:49

Definition and differentiation of various angle types: interior, exterior, deflection angles, angles to the right, and angles to the left.

Understanding Bearings00:43:49

Detailed explanation of bearings as acute horizontal angles from a meridian, including forward and back bearing calculations.

Understanding Azimuths00:57:39

Explanation of azimuths as clockwise-measured angles from a reference meridian, with examples of forward and back azimuths from both North and South.