![]() It is common for sign-ons to be followed by a network's early morning newscast, or their morning or breakfast show. ![]() Sign-ons, like sign-offs, vary from country to country, from station to station, and from time to time however, most follow a similar general pattern. Stations may also sometimes close for transmitter maintenance, or to allow another station to broadcast on the same channel space. However, some national broadcasters continue the practice particularly those in countries with limited broadcast coverage. Sign-on and sign-off sequences have become less common due to the increasing prevalence of 24/7 broadcasting. Like other television programming, sign-on and sign-off sequences can be initiated by a broadcast automation system, and automatic transmission systems can turn the carrier signal and transmitter on/off by remote control. It is the opposite of a sign-off (or closedown in Commonwealth countries except Canada), which is the sequence of operations involved when a radio or television station shuts down its transmitters and goes off the air for a predetermined period generally, this occurs during the overnight hours although a broadcaster's digital specialty or sub-channels may sign-on and sign-off at significantly different times as its main channels. ![]() The sign-off message broadcast by DWWX-TV (ABS-CBN Manila) before stopping all broadcasts at 7:52 pm ( PHT) in compliance with the NTC order because of the expiration of its franchise on May 5, 2020.Ī sign-on (or start-up in Commonwealth countries except Canada) is the beginning of operations for a radio or television station, generally at the start of each day.
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