The development of television is determined that in many parts of the world is an activity that is seen as a public service, i.e. that public authorities consider that their particular Television characteristics should have a different regulation than other media communication.
For our purposes, public service television means that the state owns the radio frequency spectrum, where radio waves are broadcast transmitting television programs, and who gives the frequencies and issue licenses to different television operators. Moreover, it is the State, through appropriate legislation, who determines and under what conditions operators can be more or less stipulating basic parameters about the minimum content of programming, various fees and other obligations imposed on licensees (Tracey 1998, p. 109).
The TV is composed of a number of different types of activities ranging from creativity when designing a specific program to the implementation of complex technological devices for the transmission and reception of signals. So basically we can distinguish the following activities:
• The production of audiovisual programs, which may or may not be in charge of television operator.
• The issuance of the programs from the development of a programming grid sole responsibility of the station.
• The spread of the signal in a given geographical area, the responsibility of the Issuer or other companies unrelated to its activity, such as postal companies.
Needless to say that public service television can refer to the three activities described, as happened in the past in many European countries, and sometimes focusing only on the issue.
The idea that broadcasting should be organized as a public service, rather than a market-driven activity, has influenced the development of journalism decisively throughout the twentieth century.