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WTVT
WTVT, virtual channel 13 (VHF digital channel 12), is a Fox owned-and-operated television station located in Tampa , Florida
Florida
, United States
United States
and also serving the nearby city of St. Petersburg . The station is owned by the Fox Television Stations
Fox Television Stations
subsidiary of 21st Century Fox . WTVT
WTVT
maintains studio facilities located on West Kennedy Boulevard in Tampa, and its transmitter is located in Riverview
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Digital Television
DIGITAL TELEVISION (DTV) is the transmission of television signals, including the sound channel, using digital encoding, in contrast to the earlier television technology, analog television , in which the video and audio are carried by analog signals . It is an innovative advance that represents the first significant evolution in television technology since color television in the 1950s. Digital TV can transmit multiple channels in the same bandwidth occupied by a single channel of analog television, and provides many new features that analog television cannot. A switchover from analog to digital broadcasting began around 2006 in some countries, and many industrial countries have now completed the changeover, while other countries are in various stages of adaptation
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Owned-and-operated Station
In the broadcasting industry, an OWNED-AND-OPERATED STATION (frequently abbreviated as O&O) usually refers to a television or radio station that is owned by the network with which it is associated. This distinguishes such a station from an affiliate , which is independently owned and carries network program by contract. The concept of an O as such, they have traditionally been mostly (or entirely) composed of O&Os, rendering a separate notion for such a concept redundant
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Network Affiliate
In the broadcasting industry (particularly in North America ), a NETWORK AFFILIATE or AFFILIATED STATION is a local broadcaster, owned by a company other than the owner of the network, which carries some or all of the lineup of television programs or radio programs of a television or radio network . This distinguishes such a television or radio station from an owned-and-operated station (O&O), which is owned by the parent network. Notwithstanding this distinction, it is common in informal speech (even for networks or O&Os themselves) to refer to any station, O in addition, if a company owns two or more stations affiliated with the same network, affiliation contracts may have end-of-term dates that are the same or differ among that company's affiliates, depending on when a particular station's affiliation agreement was either previously renewed or originally signed
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16
SIXTEEN or 16 may refer to: * 16 (number) * one of the years 16 BC
16 BC
, AD 16 , 1916
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480i
480I is a shorthand name for the video mode used for standard-definition analog or digital television in Caribbean
Caribbean
, Myanmar
Myanmar
, Japan
Japan
, South Korea
South Korea
, Taiwan
Taiwan
, Philippines
Philippines
, and most of the Americas
Americas
(with the exception of Argentina
Argentina
, Paraguay
Paraguay
and Uruguay
Uruguay
). The 480 identifies a vertical resolution of 480 lines, and the i identifies it as an interlaced resolution. The field rate , which is 60 Hz (or 59.94 Hz when used with NTSC
NTSC
color), is sometimes included when identifying the video mode, i.e
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Federal Communications Commission
The FEDERAL COMMUNICATIONS COMMISSION (FCC) is an independent agency of the United States government created by statute (47 U.S.C. § 151 and 47 U.S.C. § 154) to regulate interstate communications by radio, television, wire, satellite, and cable. The FCC
FCC
works towards six goals in the areas of broadband , competition , the spectrum , the media , public safety and homeland security , and modernizing itself. The FCC
FCC
was formed by the Communications Act of 1934
Communications Act of 1934
to replace the radio regulation functions of the Federal Radio Commission . The FCC took over wire communication regulation from the Interstate Commerce Commission
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Geographic Coordinate System
A GEOGRAPHIC COORDINATE SYSTEM is a coordinate system used in geography that enables every location on Earth to be specified by a set of numbers, letters or symbols. The coordinates are often chosen such that one of the numbers represents a vertical position , and two or three of the numbers represent a horizontal position . A common choice of coordinates is latitude , longitude and elevation . To specify a location on a two-dimensional map requires a map projection
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Kilowatt
The WATT (symbol: W) is a derived unit of power in the International System of Units (SI) defined as 1 joule per second and can be used to quantify the rate of energy transfer . Power has dimensions of M L 2 T 3 {displaystyle {mathsf {ML}}^{2}{mathsf {T}}^{-3}} . CONTENTS * 1 Examples * 2 Origin and adoption as an SI unit * 3 Multiples * 3.1 Femtowatt * 3.2 Picowatt * 3.3 Nanowatt * 3.4 Microwatt * 3.5 Milliwatt * 3.6 Kilowatt * 3.7 Megawatt * 3.8 Gigawatt * 3.9 Terawatt * 3.10 Petawatt * 4 Conventions in the electric power industry * 5 Radio
Radio
transmission * 6 Difference between watts, watt-hours and watts per hour * 7 See also * 8 Notes * 9 References * 10 External links EXAMPLESWhen an object's velocity is held constant at one meter per second against constant opposing force of one newton the rate at which work is done is 1 watt
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Effective Radiated Power
EFFECTIVE RADIATED POWER (ERP), synonymous with EQUIVALENT RADIATED POWER, is an IEEE standardized definition of directional radio frequency (RF) power, such as that emitted by a radio transmitter . It is the total power in watts that would have to be radiated by a half-wave dipole antenna to give the same radiation intensity (signal strength in watts per square meter) as the actual source at a distant receiver located in the direction of the antenna's strongest beam (main lobe ). ERP measures the combination of the power emitted by the transmitter and the ability of the antenna to direct that power in a given direction. It is equal to the input power to the antenna multiplied by the gain of the antenna. It is used in electronics and telecommunications , particularly in broadcasting to quantify the apparent power of a broadcasting station experienced by listeners in its reception area
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Sister Station
In broadcasting , SISTER STATIONS or SISTER CHANNELS are radio or television stations operated by the same company, by direct ownership or through a management agreement. Radio sister stations will often have different formats , and often one station is on the AM band while another is on the FM band . Conversely, several types of sister-station relationships exist in television; stations in the same city will usually be affiliated with different television networks (often one with a major network and the other with a secondary network), and may occasionally shift television programs between each other when local events require one station to interrupt its network feed. Sister stations in separate (but often nearby) cities owned by the same company may or may not share a network affiliation
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Call Sign
In broadcasting and radio communications , a CALL SIGN (also known as a CALL NAME or CALL LETTERS—and historically as a CALL SIGNAL—or abbreviated as a CALL) is a unique designation for a transmitter station . In North America, they are used for all FCC-licensed transmitters. A call sign can be formally assigned by a government agency, informally adopted by individuals or organizations, or even cryptographically encoded to disguise a station's identity. The use of call signs as unique identifiers dates to the landline railroad telegraph system. Because there was only one telegraph line linking all railroad stations , there needed to be a way to address each one when sending a telegram . In order to save time, two-letter identifiers were adopted for this purpose. This pattern continued in radiotelegraph operation; radio companies initially assigned two-letter identifiers to coastal stations and stations aboard ships at sea
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Facility ID
The FACILITY ID NUMBER, also called a FIN or FACILITY IDENTIFIER, is a unique integer number of one to six digits, assigned by the U.S. Federal Communications Commission
Federal Communications Commission
's (FCC) Media Bureau to each broadcast station in the FCC's Consolidated Database System (CDBS). Because CDBS includes information about foreign stations which are notified to the U.S. under the terms of international frequency coordination agreements, FINs are also assigned to affected foreign stations. However, this has no legal significance, and the numbers are not used by the regulatory authorities in those other countries. Current FCC practice is to assign facility ID numbers sequentially, but this is not an official requirement, so third-party users must not rely on it
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Height Above Average Terrain
HEIGHT ABOVE AVERAGE TERRAIN (HAAT) (or less popularly, EHAAT, Effective Height Above Average Terrain) is a measure of how high an antenna site is above the surrounding landscape. HAAT is used extensively in FM radio
FM radio
and television , as it is more important than effective radiated power (ERP) in determining the range of broadcasts (VHF and UHF in particular, as they are line of sight transmissions). For international coordination, it is officially measured in meters, even by the Federal Communications Commission
Federal Communications Commission
in the United States
United States
, as Canada
Canada
and Mexico
Mexico
have extensive border zones where stations can be received on either side of the international boundaries
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720p
720P (1280×720 px ; also called HD READY ) is a progressive HDTV signal format with 720 horizontal lines and an aspect ratio (AR) of 16:9 , normally known as widescreen HDTV (1.78:1). All major HDTV broadcasting standards (such as SMPTE 292M ) include a 720p format which has a resolution of 1280×720; however, there are other formats, including HDV Playback and AVCHD for camcorders, which use 720p images with the standard HDTV resolution. The frame rate is standards-dependent, and for conventional broadcasting appears in 50 progressive frames per second in former PAL/ SECAM countries (Europe, Australia, others), and 59.94 frames per second in former NTSC countries (North America, Japan, Brazil, others). The number 720 stands for the 720 horizontal scan lines of image display resolution (also known as 720 pixels of vertical resolution). The p stands for progressive scan , i.e. non-interlaced
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