CHAPTER 4Antenna Basics
In this chapter you will learn about how antennas catch the signals from a broadcast source and send them to your receiver’s tuner/decoder, which processes them into the programming you want to watch. The text will help you decide which antennas are best suited for your needs and will provide information about how to assemble a satellite dish antenna for installation.
How Antennas Work
An antenna’s purpose is to catch enough of the transmitted electromagnetic waves to provide an electrical signal level sufficient for the receiver to process the signal into useful audio and video. In the sections that follow, the text will briefly discuss how this works in simple terms.
Signals Have Sources
Radio waves (signals) are electromagnetic ...
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