Electrical Communication is a free textbook on the basics of communication technology. See the editorial for more information....

 
 

Editorial
Preface
Download and Release History
Copyright
Early History of
Electrical Communication
Fundamentals of Acoustics
Electrical Fundamentals of
Communication
Electroacoustic Devices
Electric Networks
Transmission Lines
Cables and Wave Guides
Electronic Applications in
Communication
Telegraph Systems
Telephone Exchange Service and
Systems
Telephone Toll Service and
Systems
Radio Wave Propagation and
Antennas
Introduction
Electromagnetic Waves
Production of Electromagnetic
Waves
Radio Frequencies Used in
Communication
Radio Wave Transmission Paths
The Troposphere
The Ionosphere
Virtual Height
Penetration (Critical) Frequency
Maximum Usable Frequencies
Radio Wave Reflections
from the Earth
Ground-Wave Propagation
Sky-Wave Propagation
Space-Wave Propagation
Direct-Wave Propagation
Antennas, or Aerials
Periodic Resonant Antennas
Free-Space Radiation Patterns
from Periodic Straight-Wire
Antennas
Ground-Reflection Factors
Radiation Patterns from Periodic
Straight-Wire Antennas
Directional Periodic Antennas
Antennas for Amplitude-Modulation
Broadcast Stations
Driving-Point Impedance of
Periodic Antennas
Other Periodic Antennas
Aperiodic (Non-resonant) Antennas
The Wave Antenna
The Rhombic Antenna
References
Review Questions
Problems
Radio Systems
Interference and Noise

Last Update: 2011-06-06