Since it was first used around the end of the nineteenth century, radio has become an increasingly important part of everyday life. Radio broadcasting is one of the most obvious forms of radio transmission.
Today radio is used for many forms of communication from long distance satellite communications to the personal cell phones that are widely used. In addition to this wireless communications are becoming more important for data as demonstrated by the rapid growth in Wi-Fi.
Basics of radio
This section will look at some of the basic elements of radio and what it is:
Radio signals and modulationRadio signals are This section will look at some of the basic elements of radio and what it is:
Radio receivers take many forms. Learn more about how they work
The various forms of radio sytems that are in use.