You may consider radio to be an outdated form of entertainment, but it was certainly the best once. This was obviously before the Internet came along. Initially developed in the late 19th century, radio was at the peak of its popularity many decades later.
Broadcasting from radio station might not be as popular as it was before. However, understanding how all of it works still forms the main idea of wireless communication.
Radio towers are critical for radio station broadcasting. These towers send signals within a certain reach. Each of these signals has a specific frequency. In many cases, the signal transmissions take place over several miles.
Another receiver or a stereo receives the frequency and then converts the signal into sound. On the dial, there is a set frequency for each station. This frequency indicates the frequency of signal the station transmits at. If you tune into a radio station with 97.9 frequencies, your radio receiver interprets the signal at that specific frequency.
Advertising and radio stations
Nowadays, most of the radio stations work within a corporate structure. Big companies own many of these stations. The companies not only oversee the programming but also control the advertising accounts. A company might wish to have their advertisement run on a specific radio station. For that, they need to get in touch with the company that owns the radio station.
Some companies own multiple radio stations in the major markets. So, if one such company decides to advertise over the stations they own, the particular advertisement would reach a wide variety of audience
Syndication is another aspect of radio station broadcasting. The typical RJs do not manage the some of these stations, not all the time anyway. A lot of the stations run syndicated radio shows recorded in a studio in some other place.