PRINCIPLES OF GROUND WAVE PROPAGATION
Critical Tasks: 01-5705.07-0003
In this lesson, you will learn about ground wave propagation and the terrestrial influences that affect
TERMINAL LEARNING OBJECTIVE:
Describe the basic principles of ground waves.
Given this lesson.
To demonstrate competence, you must achieve a minimum of 70 percent on the
REFERENCES: The material in this lesson was derived from FM 11-64 and FM 24-18.
Electromagnetic (radio) energy travels from a transmitting antenna to a receiving antenna in one of two
ways--ground waves and sky waves. Signal officers who understand the dynamics of ground wave
propagation often overcome communications problems and, thus, provide the best signal support