Radio is one of the first and most popular means of mass and global communication that serves to disseminate information, communicate ideas and news, transmit music and much more.
Among the most notable characteristics of the radio we find that it works thanks to a signal transmission technology thanks to the modulation of electromagnetic waves. These waves propagate through space and air without requiring any physical means of transport.
Since its inception in the 1920s, radio has provided not only a fast, reliable, and massive source of information, but also a great source of employment and publicity broadcasting for any business or individual. In addition to being one of the most important media in the artistic medium of music, because through this, its musical themes are made known to the audience.
Radio is one of the means of communication that can reach all social classes, in addition to having it at home, it is possible to receive radio signals from the car, from the mobile phone, portable audio devices, etc.
In addition, it is a medium that has a wide range of programs and stations to choose from, which makes there a suitable program for each type of audience.
What is the function of the radio?
The importance of radio lies in the breadth of its uses and functions. We can find various uses that have shaped and driven society since launch:
Communication and information medium
Radio allows information to be spread quickly to a large audience, and that makes it one of the main means of communication. This has a simpler and more accessible format than visual media.
Despite being one of the first means of communication, it is far from being left behind, since in the digital age they have online broadcasts, live and recorded programs that the audience can access.
The radio also has programs for local, national and international news where the most important events of a moment in the country are communicated, or which are directed directly to the community or locality of the broadcasting station.
The radio, thanks to its dissemination of information to a community and population, is also suitable for advertising and promoting products and services for all radio listeners.
In this way, services, professionals, brands, clinics, shops, events, artists, and much more are made known. Thus, people who listen to the advertisements and who may be interested in these services can reach it with the information provided on the radio.
Generator of sources of employment
Each radio station is also a source of employment for many professionals and technicians. Among these, journalists, announcers, as well as producers, directors, administrative personnel, professionals in machines, audio, etc.
Radio allows the creation of a great deal of different and original content for daily programs. These can vary in theme, ranging from music, information, tips and advice, sports, beauty, health and much more.
In addition, it has interviews with well-known personalities, experts or analysts on different topics that may be of interest to different audiences. The themes vary according to each program and are aimed at different audiences to attract more people.
Inform and educate
Apart from the different variety programs, the radio can serve as an educational medium thanks to programs with interesting, historical or cultural data that often have a contest format to attract the interest of people.
In many cases, educational events such as national dates, or data of interest are added to the regular programming in the form of short informative notes so that they can be heard by the entire audience.
One of the main uses of radio is to make known thousands of artists, whether local, national and international.
Most of them launch their new songs on the radio and also give interviews in order to make themselves known or share their work with their followers.
Music is also used in most radio programs, either for informational purposes, for entertainment and even as a musical background during talk or talk shows.
Entertain and Recreate
One of the most important and popular functions of radio is, of course, to entertain the audience and serve as a recreational medium for people in their spare time. Well, you can have it at home to listen to music in your spare time, use it during a party or meeting to cheer up, take it in the car to listen to something different and be distracted from the traffic, or enjoy a program while we return home.
Help out in the community
The radio can promote citizen and community participation in cases where it requires help, such as disasters, floods, fires, etc .; in this way you can seek help for those affected or get a group of people willing to collaborate.
It also serves to summon the community to different events, whether for recreation or in which collaboration is required.
For this, there are specific radio stations known as community radio, which is usually a non-profit station and usually short-range to disseminate information regarding the community and contribute to different problems in that locality.
Now, what is community radio for? These radio stations usually help to mobilize a specific campaign, contribute to calling the community to different charitable activities or disseminate relevant information that helps a specific cause.
They also help to contribute to people who are in need of a helping hand, and bring relevant information to the inhabitants of said locality that helps the community grow or recover from an event.
This is thanks to the fact that these stations are usually run by volunteers who do not charge for their service or do it at a very low cost, with a view to donating the profits of the radio to a cause. These stations also usually accept donations and help attract people who sponsor or provide financial assistance.
History of radio
The invention of radio that we know today had its origin from the discovery of electromagnetic waves in 1887. Thanks to the study of these waves and their propagation, it was possible to give rise to radio in the 1920s, a technology that later it evolved over the years.
For the year 1933, the FM frequency was presented, thus giving rise to a high-quality radio system.
The use of the radio was essential during the Second World War, since through this means people in Europe could be very quickly aware of the advance of the troops and the political and economic situation in general. By 1963, the first radio connection via satellite was carried out.
It was in the 1990s that radio evolved into the technology we know today. Currently, internet radio has managed to promote and give a new dimension to this medium.
Dr. Samantha Robson ( CRN: 0510146-5) is a nutritionist and website content reviewer related to her area of expertise. With a postgraduate degree in Nutrition from The University of Arizona, she is a specialist in Sports Nutrition from Oxford University and is also a member of the International Society of Sports Nutrition.