Airtime

n. time of day when a program is broadcast; block of time allotted for a broadcast (Television and Radio); total time a customer spends using a cellular telephone

Broadcasting is the distribution of audio and/or video signals which transmit programs to an audience. The audience may be the general public or a relatively large sub-audience, such as children or young adults. Even senior citizens sometimes watch programs transmitted to an audience.There are wide variety of broadcasting systems, all of which have different capabilities. The largest broadcasting systems are institutional public address systems, which transmit nonverbal messages and music within a school or hospital, and low-powered broadcasting systems which transmit radio stations or television stations to a small area. National radio and television broadcasters have nationwide coverage, using retransmitter towers, satellite systems, and cable distribution. Satellite radio and television broadcasters can cover even wider areas, such as entire continents, and Internet channels can distribute text or streamed music worldwide.
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Also known as negative G's. The sensation of leaving your seat, usually felt on the crests of hills and especially when riding the back of coasters. This is the feeling that most coaster enthusiasts generally look for in a roller coaster, especially a wooden one.

ORARIO DI TRASMISSIONE [RADIO E TELEVISIONE]