LESSON 1
PRINCIPLES OF WAVE PROPAGATION
Critical Tasks: 01-5705.07-0003
01-5879.07-9001
OVERVIEW
LESSON DESCRIPTION:
In this lesson, you will learn about the fundamentals of radio wave propagation, modulation, and
propagation characteristics through different media.
TERMINAL LEARNING OBJECTIVE:
ACTION:
Identify the fundamentals of radio wave propagation.
CONDITION:
Given this lesson.
STANDARD:
To demonstrate competence, you must achieve a minimum of 70 percent on the
subcourse examination.
REFERENCES: The material in this lesson was derived from FM 11-64, FM 24-18, and TM 11-666.
INTRODUCTION
For many, radio is a mysterious phenomenon that only technicians understand. All signal officers must
be able to describe the nature of radio wave propagation and the forces that impede or enhance a radio
signal. The more you know about how radio behaves, the better able you will be at providing reliable
signal support, especially when faced with unexpected challenges.
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