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Most Big Four affiliates in the Eastern and Pacific time zones follow this early evening newscast model as well, running a 90-minute block of news from 5:00 to 6:30 p.m., particularly if they run a network's national evening newscast at 6:30 p.m. Eastern and Pacific Time. Some stations, regardless of time zone, even show a newscast from 6:00 to ...
FM broadcast zones in the U.S. The U.S. is divided into Zone I (roughly the northeastern quarter of the U.S. mainland, excluding the far northern areas), Zone I-A (California south of 40 degrees latitude, U.S. Virgin Islands, Puerto Rico), and Zone II (all other locations). The highest-power stations are class C in zone II, and class B in the ...
Daylight saving time (DST) [edit] Main article: Daylight saving time in the United States. Daylight saving time (DST) begins on the second Sunday of March and ends on the first Sunday of November. Clocks are set ahead one hour at 2:00 a.m. on the following start dates and set back one hour at 2:00 a.m. on the corresponding end dates:
The network operates or has operated 24-hour program feeds carried part-time or full-time by its member stations, the PBS Satellite Service (which maintains feeds for the Eastern and Pacific Time Zones, and was originally conceived as a cable-only channel for areas not served by a PBS station), PBS YOU (devoted largely to adult education ...
The US is divided into three zones for FM broadcasting: I, I-A and II. The zone where a station is located may limit the choices of broadcast class available to a given FM station. Zone I in the US includes all of Connecticut, the District of Columbia, Delaware, Illinois, Indiana, Massachusetts, Maryland, New Jersey, Ohio, Pennsylvania, Rhode ...
WWVB is a time signal radio station near Fort Collins, Colorado and is operated by the National Institute of Standards and Technology (NIST). [ 1] Most radio-controlled clocks in North America [ 2] use WWVB's transmissions to set the correct time. The normal signal transmitted from WWVB is 70 kW ERP and uses a 60 kHz carrier wave yielding a ...
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.
Affiliates in the Mountain, Alaskan, and Hawaiian zones are either on their own to delay broadcast by an hour or two, or collectively form a small, regional network feed with others in the same time zone. Prime time is commonly defined as 8:00–11:00 p.m. Eastern/Pacific and 7:00–10:00 p.m. Central/Mountain.