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Some broadcasters that have ceased signing on and signing off in favour of 24-hour broadcasting may perform a sign-off sequence at a certain time in the night (usually between 10:00 pm and 1:00 a.m.) as a formality to signify the end of its operating day (in the United States, the broadcast logging day ends at 12:00 midnight local time).
However, Music Box shut down at the start of 1987 and YTV went back to a nightly closedown although it did air a Teletext information service called Jobfinder for an hour after sign-off. In August 1987, Thames/LWT and Anglia began through-the-night broadcasting (Thames had already extended broadcast hours to around 4 am previously).
The Indian-head test pattern is a test card that gained widespread adoption during the black-and-white television broadcasting era as an aid in the calibration of television equipment. It features a drawing of a Native American wearing a headdress surrounded by numerous graphic elements designed to test different aspects of broadcast display.
In August 2010, WQPT launched a 24-hour broadcast schedule on both its main/traditional service (channel 24.1) and its MHz Worldview subchannel affiliation (channel 24.2). WHBF-TV launched their 24-hour schedule in autumn 2011. Iowa Public Television's KQIN is the only Quad Cities station to continue to sign-off during the overnight hours.
On April 24, 2015, the requirement for broadcast translator (TX) and low-powered (-LP) stations to convert by September 1 of that year was suspended, pending the then-upcoming spectrum auction. After the auction's completion in 2017, on May 17 of that year the FCC announced July 13, 2021 as the new analog low-power shutoff date.
v. t. e. Television news in the United States has evolved over many years. It has gone from a simple 10- to 15-minute format in the evenings, to a variety of programs and channels. Today, viewers can watch local, regional and national news programming, in many different ways, any time of the day.
In Thailand, Channel 3 used to air an analogue clock ident before their news programs in 1986–1995 after Channel 3 cancelled their joint news program with Channel 9, and in sign-off sequences before it became 24 hours in 2002, but while TV3 had temporary closedowns in May 2010, TV3 did not use clock idents.
Following a face-off violation; Additionally there are no timeouts, commercial or team, granted during a shootout. Due to these restrictions, it is possible that not all of the scheduled breaks are taken, in which case sometimes a network will take a timeout at the conclusion of the game to make up for it before signing off on the broadcast.