radio wave propagation

Topics: Electromagnetic radiation, Electromagnetic spectrum, Radio Pages: 49 (10071 words) Published: March 18, 2014
SUBCOURSE EDITION SS0130 B

US ARMY SIGNAL CENTER AND FORT GORDON

PRINCIPLES OF RADIO WAVE PROPAGATION (SC:25C)

EDITION DATE: FEBRUARY 2005

PRINCIPLES OF RADIO WAVE PROPAGATION

Subcourse Number SS0130

EDITION B

United States Army Signal Center and Fort Gordon
Fort Gordon, Georgia 30905-5000

10 Credit Hours

Edition Date: February 2005

SUBCOURSE OVERVIEW

This subcourse is designed to teach the principles of radio wave propagation.

The prerequisite for this subcourse is that you are a graduate of the Signal Officer Basic Course or its equivalent.

This subcourse reflects the doctrine which was current at the time it was prepared. In your own work situation, always refer to the latest official publications.

Unless otherwise stated, the masculine gender of singular pronouns is used to refer to both men and women.

TERMINAL LEARNING OBJECTIVE

ACTION: Describe the principles of radio waves and how they are propagated as ground waves and sky waves.

CONDITION: Given this subcourse.

STANDARD: To demonstrate competence on this task, you must achieve a minimum of 70 percent on the subcourse examination.

i SS0130

TABLE OF CONTENTS

Section Page Subcourse Overview .................................................................................................................................... i Administrative Instructions........................................................................................................................ iii Grading and Certification Requirement .................................................................................................... iii

Lesson 1: Principals of Wave Propagation ............................................................................................ 1-1

Practice Exercise ................................................................................................................. 1-16

Answer Key and Feedback ................................................................................................. 1-18

Lesson 2: Principles of Ground Wave Propagation. ............................................................................ 2-1

Practice Exercise ................................................................................................................... 2-8

Answer Key and Feedback ................................................................................................. 2-10

Lesson 3: Principles of Sky Wave Propagation .................................................................................... 3-1

Practice Exercise ................................................................................................................. 3-12

Answer Key and Feedback ................................................................................................. 3-14

Appendix: Acronyms and Abbreviations .............................................................................................. A-1

Student Inquiry Sheets

SS0130 ii

PRINCIPLES OF WAVE PROPAGATION

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...
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