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Television broadcaster

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shows being shared between the stations. Programmes and news footage were distributed via mail, with a programme airing in one region being mailed to another region for broadcast the following week. A network was finally established in 1969, with the same programmes being relayed to all regions simultaneously. From the 1970s to the 1990s, locally produced programmes that aired on TV One and TV2 were produced out of one of the four main studios, with TVNZ's network hub based in Wellington. Today, most locally produced programmes that are aired by both TVNZ and other networks are not actually produced in-house, instead they are often produced by a third party company (for example, the TV2 programme
1082:). On 2 November 1936 the BBC opened the world's first regular high-definition television service, from a 405 lines transmitter at Alexandra Palace. The BBC remained dominant until eventually on 22 September 1955, commercial broadcasting was established to create a second television network. Rather than creating a single network with local channels owned and operated by a single company (as is the case with the BBC), each local area had a separate television channel that was independently owned and operated, although most of these channels shared a number of programmes, particularly during peak evening viewing hours. These channels formed the 835:, which restricted the amount of time that the networks could air programs; officials hoped that the rules would foster the development of quality local programs, but in practice, most local stations did not want to bear the burden of producing many of their own programs, and instead chose to purchase programs from independent producers. Sales of television programs to individual local stations are done through a method called "broadcast syndication", and today nearly every television station in the United States obtains syndicated programs in addition to network-produced fare. 921:(O&O) of a network and independent stations. In the early days of television, when there were often only one or two stations broadcasting in a given market, the stations were usually affiliated with multiple networks and were able to choose which programs would air. Eventually, as more stations were licensed, it became common for each station to be exclusively affiliated with only one network and carry all of the "prime-time" programs that the network offered. Local stations occasionally break from regularly scheduled network programming however, especially when a 678:
closely followed breakthroughs in radio technology. As interest in television grew, and as early television stations began regular broadcasts, the idea of networking television signals (sending one station's video and audio signal to outlying stations) was born. However, the signal from an electronic television system, containing much more information than a radio signal, required a broadband transmission medium. Transmission by a nationwide series of radio relay towers would be possible but extremely expensive.
1064:, often funded by a television licensing fee, and most of them later established a second or even third station providing a greater variety of content. Commercial television services also became available when private companies applied for television broadcasting licenses. Often, each new network would be identified with their channel number, so that individual stations would often be numbered "One", "Two", "Three" and so forth. 413: 750: 3094: 43: 3104: 3083: 229:) and "television station" have become mostly interchangeable in everyday language, with professionals in television-related occupations continuing to make a differentiation between them. Within the industry, a tiering is sometimes created among groups of networks based on whether their programming is simultaneously originated from a central point, and whether the network 3114: 318:, where he determines targeted group/non-targeted group representations as well as the cultural specificity employed in the television network entity. Vos notes that policymakers did not expressly intend to create a broadcast order dominated by commercial networks. In fact, legislative attempts were made to limit the network's preferred position. 1009:, are also generally considered to be "networks" by virtue of their national coverage, although they are not officially licensed as such. CTV was previously a licensed network, but relinquished this license in 2001 after acquiring most of its affiliates, making operating a network license essentially redundant (per the above definition). 284:) can distribute their content to the various networks, and it is common that a certain production firm may have programs that air on two or more rival networks. Similarly, some networks may import television programs from other countries, or use archived programming to help complement their schedules. 1555:
All television networks in New Zealand air the same programming across the entire country with the only regional deviations being for local advertising; a regional news service existed in the 1980s, carrying a regional news programme from TVNZ's studios in New Zealand's four largest cities, Auckland,
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called "the country's first permanent commercial television network" on 15 August 1946, connecting New York City with Washington. Not to be outdone, NBC launched what it called "the world's first regularly operating television network" on 27 June 1947, serving New York City, Philadelphia, Schenectady
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This works as each network sends its signal to many local affiliated television stations across the country. These local stations then carry the "network feed", which can be viewed by millions of households across the country. In such cases, the signal is sent to as many as 200+ stations or as little
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Currently, licensed national or provincial networks must be carried by all cable providers (in the country or province, respectively) with a service area above a certain population threshold, as well as all satellite providers. However, they are no longer necessarily expected to achieve over-the-air
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In the 1960s, the service operated at the time by the New Zealand Broadcasting Corporation was four separate television stations – AKTV2 in Auckland, WNTV1 in Wellington, CHTV3 in Christchurch and DNTV2 in Dunedin – which each ran their own newscast and produced some in-house programmes, with other
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As radio prospered throughout the 1920s and 1930s, experimental television stations, which broadcast both an audio and a video signal, began sporadic broadcasts. Licenses for these experimental stations were often granted to experienced radio broadcasters, and thus advances in television technology
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Unlike the United States, where networks receive programmes produced by various production companies, the two largest networks in the Philippines produce all of their prime time programmes. Other networks adopt block-time programming, which uses programming arrangements similar to the relationship
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relay antennas, and began transmitting some programs on an irregular basis to Philadelphia and Schenectady in 1941. Wartime priorities suspended the manufacture of television and radio equipment for civilian use from 1 April 1942 to 1 October 1945, temporarily shutting down expansion of television
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in 1929, primarily as a telephone improvement device. Its high capacity (transmitting 240 telephone calls simultaneously) also made it ideal for long-distance television transmission, where it could handle a frequency band of 1 MHz. German television first demonstrated such an application in
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New Zealand also operates several regional television stations, which are only available in individual markets. The regional stations will typically air a local news programme, produce some shows in-house and cover local sports events; the majority of programming on the regional stations will be
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beginning with the letter "W"; those west of the Mississippi were assigned calls beginning with a "K". The number of programs that these early stations aired was often limited, in part due to the expense of program creation. The idea of a network system which would distribute programming to many
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On the other hand, television networks also undergo the impending experience of major changes related to cultural varieties. The emergence of cable television has made available in major media markets, programs such as those aimed at American bi-cultural Latinos. Such a diverse captive audience
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Most television services outside North America are national networks established by a combination of publicly funded broadcasters and commercial broadcasters. Most nations established television networks in a similar way: the first television service in each country was operated by a
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have established TV networks since the 1980s although they initially aired exclusively on satellite. In 1991, TV4 became Sweden's first commercial television network to air terrestrially. Most television programming in Sweden is centralised except for local news updates that air on
1182:. Rather than having a single production arm, there are a number of public broadcasting organizations that create programming for each of the three stations, each working relatively independently. Commercial broadcasting in the Netherlands is currently operated by two networks, 248:
and satellite television are branded as "channels" because they are somewhat different from traditional networks in the sense defined above, as they are singular operations – they have no affiliates or component stations, but instead are distributed to the public via cable or
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In the Philippines, in practice, the terms "network", "station" and "channel" are used interchangeably as programming lineups are mostly centrally planned from the networks' main offices, and since provincial/regional stations usually just relay the broadcast from their
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AT&T made its first postwar addition in February 1946, with the completion of a 225-mile (362 km) cable between New York City and Washington, D.C., although a blurry demonstration broadcast showed that it would not be in regular use for several months. The
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only provides ten hours of primetime programming each week, leaving their affiliates to fill time periods where network programs are not broadcast with a large amount of syndicated programming. Other networks are dedicated to specialized programming, such as
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every 10 miles (16 km), and in 1937 it experimented with transmitting televised motion pictures over the line. Bell Labs gave demonstrations of the New York–Philadelphia television link in 1940 and 1941. AT&T used the coaxial link to transmit the
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television stations, and in recent years, even more so for stations that used this revenue stream to finance their conversion to digital broadcasts, which in turn provides them with several additional channels to transmit different programming sources.
1304:, which was founded in 1965. It grew to become the largest and most successful media conglomerate in the country, having a dominating presence in various forms of media including television, radio, print (newspapers and magazines) and the Internet. 1464:. Beginning in 1989, however, television markets in rural areas began to aggregate, allowing these rural networks to broadcast over a larger area, often an entire state, and become full-time affiliates to one specific metropolitan network. 955:, a network is defined as "any operation where control over all or any part of the programs or program schedules of one or more broadcasting undertakings is delegated to another undertaking or person", and must be licensed by the 1528:
TV One Plus 1. The network operated by Television New Zealand has progressed from operating as four distinct local stations within the four main centers in the 1960s, to having the majority of the content produced from TVNZ's
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is the network's flagship network which carries news, current affairs and sports programming as well as the majority of the locally produced shows broadcast by TVNZ and imported shows. TVNZ's second network,
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was launched, mostly employing NTV/TV-6 staff, only to cease operations the following year. Since then, the four largest television networks (Channel One, Russia 1, NTV and Russia 2) have been state-owned.
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launched on 22 March 1951 when Channel One of USSR Central Television became a unionwide network. Until 1989, there were six television networks, all owned by the USSR Gosteleradio. This changed during
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Television broadcasting in the United States was heavily influenced by radio. Early individual experimental radio stations in the United States began limited operations in the 1910s. In November 1920,
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stations simultaneously, saving each station the expense of creating all of their own programs and expanding the total coverage beyond the limits of a single broadcast signal, was devised.
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networks were finally connected by coaxial cable (with WDTV airing the best shows from all four networks). By 1951, the four networks stretched from coast to coast, carried on the new
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Following the breakup of the Soviet Union, USSR Gosteleradio ceased to exist as well as its six networks. Only Channel One had a smooth transition and survived as a network, becoming
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Late in the 20th century, cross-country microwave radio relays were replaced by fixed-service satellites. Some terrestrial radio relays remained in service for regional connections.
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area). As such, networks made up of VHF stations are sometimes informally referred to by their over-the-air channel number in the Mega Manila area (for example, Channel 4 or
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broadcasting agency. Some countries have launched national television networks, so that individual television stations can act as common repeaters of nationwide programs.
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Each of the four major television networks originally only broadcast a few hours of programs a week to their affiliate stations, mostly between 8:00 and 11:00 p.m.
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The 2000s were marked by the increased state intervention in Russian television. On 14 April 2001 NTV experienced management changes following the expulsion of former
497:. Since the creation of Fox, the number of American television networks has increased, though the amount of programming they provide is often much less: for example, 1044:
in Toronto and adopted that station's "Citytv" branding, but gradually became a network by virtue of national coverage through expansions into other markets west of
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Most local television stations in Canada are now owned and operated directly by their network, with only a small number of stations still operating as affiliates.
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owned and operated, in a vast chain, NBC's audio signal thus transmitted from station to station to listeners across the United States. Other companies, including
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In the 1940s, the term "chain broadcasting" was used when discussing network broadcasts, as the television stations were linked together in long chains along the
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The DuMont Television Network in 1949. DuMont's network of stations stretched from Boston to St. Louis. These stations were linked together via AT&T's
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After the failure and shutdown of DuMont in 1956, several attempts at new networks were made between the 1950s and the 1970s, with little success. The
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was launched as a "merger" of The WB and UPN (in actuality, a consolidation of each respective network's higher-rated programs onto one schedule);
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in June 1940 from Philadelphia to New York City, where it was televised to a few hundred receivers over the NBC station W2XBS (which evolved into
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has a significant amount of freedom to schedule television shows as they consent to. Some public television outlets, such as PBS, carry separate
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launched on 7 July 1938 when Petersburg – Channel 5 of Leningrad Television became a unionwide network. The second television network in the
975: 579: 913:. This led to a system where most local television stations were independently owned, but received programming from the network through a 1117:. Since the introduction of digital television, the BBC, ITV, Channel 4 and Channel 5 each introduced a number of digital-only channels. 3050: 2896: 1016:, although the public and the broadcasters themselves will often refer to them as "networks" regardless. Some of these systems, such as 817: 202: 586:, in which cable and satellite providers pay a rate of more than $ 5.00 per subscriber to ESPN). The providers also handle the sale of 213:
In countries where most networks broadcast identical, centrally originated content to all of their stations, and where most individual
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NBC had earlier demonstrated an inter-city television broadcast on 1 February 1940, from its station in New York City to another in
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in the UK itself. Experimental television broadcasts were started in 1929, using an electromechanical 30-line system developed by
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A number of different definitions of "network" are used by government agencies, industry, and the general public. Under the
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inserted at the local level during national programming, in which case the broadcaster and the cable/satellite provider may
190: 1032:, have similar branding and a common programming focus, but schedules may vary significantly from one station to the next. 3686: 3588: 2832: 1593: 786: 462: 458: 198: 3117: 1286:. The Russian television market is mainly shared today by five major companies: Channel One, Russia 1, NTV, TNT and CTC. 4036: 3107: 2868: 2765: 2308: 2075: 1029: 979: 93: 31: 3804: 3143: 3097: 2604: 2044: 1378: 686: 534: 967: 831:(FCC) grew concerned that local television might disappear altogether. Eventually, the federal regulator enacted the 1872: 901:, a network formed from affiliates of UPN and The WB that did not affiliate with The CW, launched at the same time. 3358: 2956: 2878: 2817: 2524: 918: 671: 518: 250: 150: 75: 1580:). The networks produce their own news and current affairs programs, with most of the content filmed in Auckland. 53: 3846: 3814: 3778: 3531: 3244: 3229: 2728: 2689: 2534: 2434: 2363: 2296: 2123: 1632: 1488: 1006: 971: 862: 771: 620: 345: 322: 304: 3856: 3087: 2329: 2264: 2217: 2103: 1421: 842: 801: 640: 474: 311:
presents an occasion for the networks and affiliates to advertise the best programming that needs to be aired.
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broadcasting allowed a greater number of television channels to broadcast, the BBC launched a second channel,
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paid by British residents, as a result no advertising appears on these services. The advertising-funded arm (
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and Boston were added to the NBC television network in late 1947. DuMont and NBC would be joined by CBS and
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only provides fifteen hours of primetime programming each week (along with three hours on Saturdays), while
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Only three national over-the-air television networks are currently licensed by the CRTC: government-owned
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The first television network in the United Kingdom was operated by the British Broadcasting Corporation (
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coverage in all areas (APTN, for example, only has terrestrial coverage in parts of northern Canada).
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In addition to these licensed networks, the two main private English-language over-the-air services,
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and satellite providers pay the networks a certain rate per subscriber (the highest charge being for
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New Zealand also has several privately owned television networks with the largest being operated by
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The first commercial networks in Australia involved commercial stations that shared programming in
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The largest television network in the United States, however, is the Public Broadcasting Service (
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situation occurs in the viewing area. Moreover, when stations return to network programming from
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Sweden had only one television network from 1956 until the early-1990s: the public broadcaster
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Smaller groups of stations with common branding are often categorized by industry watchers as
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technology. The network physically linked individual radio stations, nearly all of which were
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set up the first permanent coast-to-coast radio network in the United States by 1928, using
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number of television stations that could be owned by any one network, company or individual
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networks, there is no central unified arm of broadcast programming, meaning that each PBS
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in real-time when it deems this necessary – the most common example being during national
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with upstream and downstream systems, so that programming appears seamless to viewers.
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programming to all the stations at the same time. Stations not yet connected received
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A major international television broadcaster is the British Broadcasting Corporation (
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has the technical and administrative capability to take over the programming of their
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content or programs presented in languages other than English, particularly Spanish.
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programming, but still reserve periods during each day where their affiliate can air
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by 1994. Two other networks launched within a week of one another in January 1995:
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on television in most countries of the world was dominated by a small number of
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Still, the 2000s saw a rise of several independent television networks such as
576:), along with networks focusing on music, sports and other niche programming). 3919: 3884: 3824: 3696: 3676: 3475: 3465: 3343: 3292: 3004: 2711: 2409: 2318: 2274: 2244: 2222: 2212: 2187: 1812: 1671:, which respectively broadcast on VHF channel 5, and UHF channels 23 and 25). 1557: 1457: 1324: 1301: 858: 628: 573: 3701: 3603: 3556: 3260: 2989: 2454: 2269: 1664: 1409: 1328: 1259: 1102: 782: 762: 706: 648: 624: 569: 369: 3541: 3470: 3173: 2984: 2974: 2891: 2716: 2539: 1530: 1506:, airs mostly imported shows with some locally produced programs such as 1417: 1413: 1390: 1312: 1170:
was the only television network in the Netherlands, with three stations,
1113:. These were later followed by the launch of a third commercial network, 990:, but is not licensed or locally distributed (outside of carriage on the 776: 714: 545:
as just a dozen or fewer stations, depending on the size of the network.
380:) employs 23,000 people worldwide including the operation of broadcaster 365: 3128: 774:, which had begun experimental broadcasts before the war, launched what 726:) as well as seen in Schenectady, New York via W2XB (which evolved into 2979: 2964: 1709: 1624: 1565: 1320: 1098: 1094: 1041: 1037: 797: 631:, Pennsylvania. Other companies built early radio stations in Detroit, 557: 337: 287:
Some stations have the capability to interrupt the network through the
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In North America in particular, many television networks available via
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format may instead pay the station or cable/satellite provider, in a
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A network may or may not produce all of its own programming. If not,
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providers. Such networks are commonly referred to by terms such as "
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signed on "the world's first commercially licensed radio station",
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The Forgotten Network: DuMont and the Birth of American Television
1797:"Broadcasting's Oldest Stations: An Examination of Four Claimants" 1441: 1437: 1433: 1429: 1425: 1106: 1017: 983: 748: 561: 30:"Television broadcasting" redirects here. For the technology, see 388:. Limited regular broadcasts using this system began in 1934 and 2936: 1767:
Here's Looking at You: The Story of British Television 1908–1939
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originally began operating as a television system in 2002 when
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Canadian Radio-television and Telecommunications Commission
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to handle most tasks. These systems are not only used for
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program, when the first independent television network,
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in Vancouver started to carry programs originating from
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and territory, as well as three digital-only networks,
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This is explained by author Tim P. Vos in his abstract
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List of United States over-the-air television networks
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The major commercial television network in Brazil is
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networks through their member stations (for example,
1971:"The Impact of the FCC's Chain Broadcasting Rules". 909:
FCC regulations in the United States restricted the
3998: 3938: 3872: 3797: 3766: 3721: 3659: 3574: 3524: 3407: 3301: 3253: 3207: 3166: 3018: 2955: 2877: 2841: 2798: 2739: 2673: 2382: 2074: 1795:Baudino, Joseph E; John M. Kittross (Winter 1977). 67:. Unsourced material may be challenged and removed. 994:of pay television providers) on a national basis. 861:; it would eventually ascend to the status of the 1935:Temple University Press: Philadelphia, p. 16-17. 881:), formed through a programming alliance between 1870:Television 'Piped' From New York to Philadelphia 917:contract, except in a few major cities that had 816:. Only a few local television stations remained 694:1936 by relaying televised telephone calls from 730:) via off-air relay from the New York station. 606:carriage deal. This is especially common with 3144: 2052: 1497:(TVNZ), which consists of two main networks: 1121:operates a large number of channels, as does 1109:instead introduced a Welsh-language service, 177:. Many early television networks such as the 8: 1345:Australia has two national public networks, 869:Television Network, a joint venture between 742:networking. However, in 1944 a short film, " 702:, 180 km (110 mi) away, by cable. 3067:Global telecommunications regulation bodies 1908:The Columbia History of American Television 167:multichannel video programming distributors 3935: 3718: 3656: 3298: 3151: 3137: 3129: 3103: 2059: 2045: 2037: 1471:channels, there are others on Australia's 1452:channels 7 and 10 respectively formed the 970:(French), French-language private network 1911:. Columbia University Press. p. 84. 1097:(with the original service being renamed 316:A Cultural Explanation of Early Broadcast 127:Learn how and when to remove this message 757:feed, allowing the network to broadcast 709:coaxial cable between New York City and 1726: 1377:. SBS currently operates six stations, 1893:GOP Convention of 1940 in Philadelphia 1700:List of television networks by country 1055:Europe, Asia, Africa and South America 1690:Cable television in the United States 348:or other sources to maintain perfect 205:evolved from earlier radio networks. 7: 3113: 1675:between a U.S. network and station. 1493:New Zealand has one public network, 1209:The first television network in the 1137:(SVT). Commercial companies such as 877:, and the United Paramount Network ( 221:", the terms "television network", " 165:providers or, in the United States, 65:adding citations to reliable sources 2005:"Canadian Broadcasting Act of 1991" 982:. A third French-language service, 1905:Edgerton, Gary (12 October 2007). 1883:, February 1938, pp. 534, 574–575. 1540:. MediaWorks' flagship network is 321:As to individual stations, modern 16:Telecom network for TV programming 14: 1516:, available on providers such as 829:Federal Communications Commission 765:recordings via physical delivery. 517:), a non-profit, publicly owned, 217:therefore operate only as large " 3890:Concentration of media ownership 3784:Television content rating system 3112: 3102: 3093: 3092: 3081: 2702:Free-space optical communication 1745:from the original on 16 May 2020 1695:Concentration of media ownership 1074:Television in the United Kingdom 411: 41: 3266:Director of network programming 1584:imported from various sources. 1168:Netherlands Public Broadcasting 457:had long been dominated by the 455:Television in the United States 52:needs additional citations for 1985:Barcousky, Len (16 May 2010). 1607:station (usually based in the 720:Republican National Convention 521:service. In comparison to the 1: 3589:Broadcasting of sports events 1594:Television in the Philippines 1448:; while their equivalents on 1444:in Perth together formed the 463:American Broadcasting Company 459:Big Three television networks 3088:Telecommunication portal 2869:Telecommunications equipment 1250:to launch in the mid-1990s. 1030:Crossroads Television System 980:Indigenous peoples in Canada 32:Broadcast television systems 3805:Broadcast reference monitor 2605:Alexander Stepanovich Popov 1881:Short Wave & Television 1617:People's Television Network 919:owned-and-operated stations 687:Bell Telephone Laboratories 594:. Networks that maintain a 535:Georgia Public Broadcasting 291:of television commercials, 225:" (a numeric identifier or 4058: 3359:Television program creator 2309:Telecommunications history 1591: 1486: 1338: 1293: 1197: 1071: 940: 672:Mutual Broadcasting System 519:non-commercial educational 447: 346:Global Positioning Systems 323:network operations centers 251:direct-broadcast satellite 151:telecommunications network 29: 18: 3847:Professional video camera 3815:Digital on-screen graphic 3779:List of television awards 3439:Character generator (CG) 3245:Transmission control room 3230:Network operations center 3076: 2917:Public Switched Telephone 2729:telecommunication circuit 2690:Fiber-optic communication 2435:Francis Blake (telephone) 2230:Optical telecommunication 1931:Weinstein, David (2004). 1813:10.1080/08838157709363817 1633:Radio Philippines Network 1489:Television in New Zealand 772:DuMont Television Network 305:noncommercial educational 3857:Lighting control console 2828:Orbital angular-momentum 2265:Satellite communications 2104:Communications satellite 843:Fox Broadcasting Company 705:AT&T laid the first 660:dedicated telephone line 641:Federal Radio Commission 493:, such as local news or 475:Fox Broadcasting Company 278:Sony Pictures Television 153:for the distribution of 76:"Television broadcaster" 19:Not to be confused with 3910:Influence of mass media 3481:Unit production manager 3235:Production control room 2707:Molecular communication 2530:Gardiner Greene Hubbard 2359:Undersea telegraph line 2094:Cable protection system 2009:laws-lois.justice.gc.ca 1991:Pittsburgh Post-Gazette 1801:Journal of Broadcasting 1341:Television in Australia 1307:Other networks include 1048:between 2005 and 2013. 978:, a network focused on 715:signal booster stations 293:station identifications 270:Warner Bros. Television 215:television transmitters 169:. Until the mid-1980s, 4042:Television terminology 3215:Central apparatus room 2849:Communication protocol 2635:Charles Sumner Tainter 2450:Walter Houser Brattain 2395:Edwin Howard Armstrong 2203:Information revolution 1975:, 60(1) (1951): 78–111 1764:Norman, Bruce (1984). 1578:South Pacific Pictures 1495:Television New Zealand 883:Chris-Craft Industries 833:Prime Time Access Rule 766: 143:television broadcaster 3832:Multiple-camera setup 3562:Visual effects artist 3511:Broadcast engineering 3184:History of television 3160:Television production 2823:Polarization-division 2555:Narinder Singh Kapany 2520:Erna Schneider Hoover 2440:Jagadish Chandra Bose 2420:Alexander Graham Bell 2151:online video platform 1857:Television in Germany 1240:Ostankino Channel One 968:Ici Radio-Canada Télé 810:microwave radio relay 752: 639:obtained through the 548:With the adoption of 523:commercial television 171:broadcast programming 3905:Freedom of the press 3837:Outside broadcasting 3789:Television criticism 3774:Audience measurement 3744:Political commentary 3707:Late-night talk show 3486:Production assistant 3451:Graphics coordinator 3446:Studio floor manager 2665:Vladimir K. Zworykin 2625:Almon Brown Strowger 2595:Charles Grafton Page 2250:Prepaid mobile phone 2178:Electrical telegraph 1973:The Yale Law Journal 1533:studios at present. 1296:Television in Brazil 1200:Television in Russia 1020:and the now-defunct 947:Television in Canada 887:Paramount Television 863:fourth major network 744:Patrolling the Ether 327:broadcast automation 274:Universal Television 266:production companies 175:terrestrial networks 61:improve this article 4037:Television networks 3810:Character generator 3506:Television director 3339:Production designer 3225:Master control room 2615:Johann Philipp Reis 2374:Wireless revolution 2336:The Telephone Cases 2193:Hydraulic telegraph 1135:Sveriges Television 1089:When the advent of 814:AT&T Long Lines 800:in Pittsburgh, the 566:Nexstar Media Group 554:Weigel Broadcasting 495:syndicated programs 390:an expanded service 159:television stations 4016:Television studies 3956:Communications law 3925:Media manipulation 3672:Limited-run series 3651:Television special 3624:Reality television 3619:Police crime drama 3516:Technical director 3501:Technical director 3374:Production manager 3364:Executive producer 3324:Assistant director 3281:Sports commentator 2813:Frequency-division 2790:Telephone exchange 2660:Charles Wheatstone 2590:Jun-ichi Nishizawa 2565:Innocenzo Manzetti 2500:Reginald Fessenden 2235:Optical telegraphy 2068:Telecommunications 1847:, 14 October 1935. 1139:Modern Times Group 1062:public broadcaster 1014:television systems 767: 647:received official 637:broadcast licenses 550:digital television 531:digital subchannel 423:. You can help by 400:in November 1936. 374:television license 301:regional variation 282:TriStar Television 255:specialty channels 223:television channel 155:television content 147:television network 25:Television station 21:Television channel 4024: 4023: 3994: 3993: 3966:Fairness Doctrine 3961:Entertainment law 3900:Freedom of speech 3762: 3761: 3754:Weather forecasts 3739:News broadcasting 3717: 3716: 3570: 3569: 3496:Stunt coordinator 3199:Television studio 3179:Broadcast network 3126: 3125: 2864:Store and forward 2859:Data transmission 2773:Network switching 2724:Transmission line 2570:Guglielmo Marconi 2535:Internet pioneers 2400:Mohamed M. Atalla 2369:Whistled language 1918:978-0-231-51218-3 1781:978-0-563-20102-1 1715:Television system 1685:Broadcast network 1651:and Channel 5 or 1526:timeshift channel 1467:As well as these 1309:Rede Bandeirantes 1264:Vladimir Gusinsky 1220:Mikhail Gorbachev 943:Television system 931:commercial breaks 845:, founded by the 820:of the networks. 713:, with automatic 645:Mississippi River 491:local programming 441: 440: 219:repeater stations 137: 136: 129: 111: 4049: 3981:Media regulation 3936: 3842:Production truck 3719: 3682:Procedural drama 3657: 3634:Documentary film 3599:Event television 3329:Location manager 3314:Costume designer 3309:Casting director 3299: 3153: 3146: 3139: 3130: 3116: 3115: 3106: 3105: 3096: 3095: 3086: 3085: 3084: 2957:Notable networks 2947:Wireless network 2887:Cellular network 2879:Types of network 2854:Computer network 2741:Network topology 2655:Thomas A. Watson 2510:Oliver Heaviside 2495:Philo Farnsworth 2470:Daniel Davis Jr. 2445:Charles Bourseul 2405:John Logie Baird 2114:Data compression 2109:Computer network 2061: 2054: 2047: 2038: 2031: 2030: 2023:"Brazil profile" 2019: 2013: 2012: 2001: 1995: 1994: 1982: 1976: 1969: 1963: 1950: 1944: 1929: 1923: 1922: 1902: 1896: 1895:, UShistory.org. 1890: 1884: 1866: 1860: 1854: 1848: 1835: 1829: 1828: 1826: 1824: 1815:. Archived from 1792: 1786: 1785: 1761: 1755: 1754: 1752: 1750: 1731: 1643:, Channel 13 or 1574:Shortland Street 1509:Shortland Street 1462:Prime Television 1440:in Adelaide and 1387:SBS World Movies 1262:and NTV founder 1230:, was launched. 1188:SBS Broadcasting 953:Broadcasting Act 851:News Corporation 781:and Washington. 739:General Electric 473:); however, the 436: 433: 415: 408: 398:Alexandra Palace 386:John Logie Baird 340:, but use exact 297:emergency alerts 257:" in Canada or " 132: 125: 121: 118: 112: 110: 69: 45: 37: 4057: 4056: 4052: 4051: 4050: 4048: 4047: 4046: 4027: 4026: 4025: 4020: 3990: 3934: 3868: 3793: 3758: 3749:Traffic reports 3713: 3667:Animated series 3655: 3646:Television show 3629:Television film 3609:Live television 3576: 3566: 3525:Post-production 3520: 3430:Cinematographer 3425:Camera operator 3403: 3297: 3249: 3240:Stage (theatre) 3203: 3194:Television show 3189:Television crew 3162: 3157: 3127: 3122: 3082: 3080: 3072: 3014: 2951: 2873: 2837: 2794: 2743: 2735: 2676: 2669: 2575:Robert Metcalfe 2430:Tim Berners-Lee 2378: 2198:Information Age 2070: 2065: 2035: 2034: 2021: 2020: 2016: 2003: 2002: 1998: 1984: 1983: 1979: 1970: 1966: 1951: 1947: 1930: 1926: 1919: 1904: 1903: 1899: 1891: 1887: 1867: 1863: 1859:, Berlin, 1936. 1855: 1851: 1836: 1832: 1822: 1820: 1819:on 6 March 2008 1794: 1793: 1789: 1782: 1763: 1762: 1758: 1748: 1746: 1733: 1732: 1728: 1723: 1705:Holding company 1681: 1635:, Channel 7 or 1627:, Channel 9 or 1619:, Channel 2 or 1596: 1590: 1576:is produced by 1491: 1485: 1357:, one for each 1343: 1337: 1298: 1292: 1256: 1236: 1207: 1202: 1196: 1164: 1131: 1076: 1070: 1057: 1046:Atlantic Canada 1026:Omni Television 949: 941:Main articles: 939: 907: 889:(whose parent, 875:Tribune Company 855:Fox Corporation 759:live television 681:Researchers at 617: 452: 446: 437: 431: 428: 421:needs expansion 406: 396:) started from 358: 350:synchronization 289:local insertion 227:radio frequency 211: 133: 122: 116: 113: 70: 68: 58: 46: 35: 28: 17: 12: 11: 5: 4055: 4053: 4045: 4044: 4039: 4029: 4028: 4022: 4021: 4019: 4018: 4013: 4008: 4002: 4000: 3996: 3995: 3992: 3991: 3989: 3988: 3983: 3978: 3973: 3968: 3963: 3958: 3953: 3948: 3942: 3940: 3933: 3932: 3930:Public opinion 3927: 3922: 3917: 3915:Media activism 3912: 3907: 3902: 3897: 3895:Counterculture 3892: 3887: 3882: 3880:Agenda-setting 3876: 3874: 3870: 3869: 3867: 3866: 3861: 3860: 3859: 3852:Stage lighting 3849: 3844: 3839: 3834: 3829: 3828: 3827: 3820:Mixing console 3817: 3812: 3807: 3801: 3799: 3795: 3794: 3792: 3791: 3786: 3781: 3776: 3770: 3768: 3764: 3763: 3760: 3759: 3757: 3756: 3751: 3746: 3741: 3736: 3731: 3725: 3723: 3715: 3714: 3712: 3711: 3710: 3709: 3699: 3694: 3689: 3684: 3679: 3674: 3669: 3663: 3661: 3654: 3653: 3648: 3643: 3642: 3641: 3636: 3626: 3621: 3616: 3611: 3606: 3601: 3596: 3594:TV commercials 3591: 3586: 3584:Beauty pageant 3580: 3578: 3575:Types, formats 3572: 3571: 3568: 3567: 3565: 3564: 3559: 3554: 3549: 3544: 3539: 3534: 3528: 3526: 3522: 3521: 3519: 3518: 3513: 3508: 3503: 3498: 3493: 3488: 3483: 3478: 3473: 3468: 3463: 3458: 3453: 3448: 3443: 3437: 3432: 3427: 3422: 3417: 3415:Audio engineer 3411: 3409: 3405: 3404: 3402: 3401: 3396: 3391: 3386: 3381: 3376: 3371: 3366: 3361: 3356: 3351: 3346: 3341: 3336: 3334:Make-up artist 3331: 3326: 3321: 3316: 3311: 3305: 3303: 3302:Pre-production 3296: 3295: 3290: 3285: 3284: 3283: 3278: 3276:News presenter 3268: 3263: 3257: 3255: 3251: 3250: 3248: 3247: 3242: 3237: 3232: 3227: 3222: 3217: 3211: 3209: 3205: 3204: 3202: 3201: 3196: 3191: 3186: 3181: 3176: 3170: 3168: 3167:Main / general 3164: 3163: 3158: 3156: 3155: 3148: 3141: 3133: 3124: 3123: 3121: 3120: 3110: 3100: 3090: 3077: 3074: 3073: 3071: 3070: 3063: 3058: 3053: 3048: 3043: 3042: 3041: 3036: 3028: 3022: 3020: 3016: 3015: 3013: 3012: 3007: 3002: 2997: 2992: 2987: 2982: 2977: 2972: 2967: 2961: 2959: 2953: 2952: 2950: 2949: 2944: 2939: 2934: 2929: 2924: 2919: 2914: 2909: 2904: 2899: 2894: 2889: 2883: 2881: 2875: 2874: 2872: 2871: 2866: 2861: 2856: 2851: 2845: 2843: 2839: 2838: 2836: 2835: 2830: 2825: 2820: 2815: 2810: 2808:Space-division 2804: 2802: 2796: 2795: 2793: 2792: 2787: 2786: 2785: 2780: 2770: 2769: 2768: 2758: 2753: 2747: 2745: 2737: 2736: 2734: 2733: 2732: 2731: 2721: 2720: 2719: 2709: 2704: 2699: 2698: 2697: 2687: 2681: 2679: 2671: 2670: 2668: 2667: 2662: 2657: 2652: 2647: 2645:Camille Tissot 2642: 2637: 2632: 2627: 2622: 2620:Claude Shannon 2617: 2612: 2610:Tivadar Puskás 2607: 2602: 2597: 2592: 2587: 2582: 2580:Antonio Meucci 2577: 2572: 2567: 2562: 2557: 2552: 2550:Charles K. Kao 2547: 2542: 2537: 2532: 2527: 2525:Harold Hopkins 2522: 2517: 2512: 2507: 2502: 2497: 2492: 2487: 2482: 2477: 2472: 2467: 2462: 2457: 2452: 2447: 2442: 2437: 2432: 2427: 2425:Emile Berliner 2422: 2417: 2412: 2407: 2402: 2397: 2392: 2386: 2384: 2380: 2379: 2377: 2376: 2371: 2366: 2364:Videotelephony 2361: 2356: 2355: 2354: 2349: 2339: 2332: 2327: 2321: 2316: 2311: 2306: 2301: 2300: 2299: 2294: 2289: 2279: 2278: 2277: 2267: 2262: 2260:Radiotelephone 2257: 2252: 2247: 2242: 2237: 2232: 2227: 2226: 2225: 2215: 2210: 2205: 2200: 2195: 2190: 2185: 2180: 2175: 2170: 2165: 2164: 2163: 2158: 2153: 2148: 2146:Internet video 2138: 2137: 2136: 2131: 2126: 2121: 2111: 2106: 2101: 2096: 2091: 2086: 2080: 2078: 2072: 2071: 2066: 2064: 2063: 2056: 2049: 2041: 2033: 2032: 2029:. 24 May 2016. 2014: 1996: 1977: 1964: 1962:, 7 July 1947. 1945: 1924: 1917: 1897: 1885: 1875:2012-07-30 at 1861: 1849: 1830: 1787: 1780: 1756: 1725: 1724: 1722: 1719: 1718: 1717: 1712: 1707: 1702: 1697: 1692: 1687: 1680: 1677: 1589: 1586: 1514:TVNZ Heartland 1484: 1481: 1473:Pay television 1432:in Melbourne, 1399:SBS WorldWatch 1347:ABC Television 1336: 1333: 1291: 1288: 1255: 1252: 1235: 1232: 1206: 1203: 1195: 1192: 1163: 1160: 1130: 1127: 1069: 1068:United Kingdom 1066: 1056: 1053: 966:(English) and 964:CBC Television 938: 935: 927:severe weather 906: 903: 853:(now owned by 847:Rupert Murdoch 737:, New York by 616: 613: 527:member station 481:, prime time, 445: 442: 439: 438: 418: 416: 405: 402: 394:BBC Television 392:(now known as 357: 354: 261:" in the U.S. 259:cable networks 231:master control 210: 207: 163:pay television 135: 134: 49: 47: 40: 15: 13: 10: 9: 6: 4: 3: 2: 4054: 4043: 4040: 4038: 4035: 4034: 4032: 4017: 4014: 4012: 4011:Media studies 4009: 4007: 4006:Media culture 4004: 4003: 4001: 3997: 3987: 3984: 3982: 3979: 3977: 3974: 3972: 3969: 3967: 3964: 3962: 3959: 3957: 3954: 3952: 3949: 3947: 3946:Broadcast law 3944: 3943: 3941: 3937: 3931: 3928: 3926: 3923: 3921: 3918: 3916: 3913: 3911: 3908: 3906: 3903: 3901: 3898: 3896: 3893: 3891: 3888: 3886: 3883: 3881: 3878: 3877: 3875: 3871: 3865: 3862: 3858: 3855: 3854: 3853: 3850: 3848: 3845: 3843: 3840: 3838: 3835: 3833: 3830: 3826: 3823: 3822: 3821: 3818: 3816: 3813: 3811: 3808: 3806: 3803: 3802: 3800: 3796: 3790: 3787: 3785: 3782: 3780: 3777: 3775: 3772: 3771: 3769: 3765: 3755: 3752: 3750: 3747: 3745: 3742: 3740: 3737: 3735: 3732: 3730: 3729:Breaking news 3727: 3726: 3724: 3720: 3708: 3705: 3704: 3703: 3700: 3698: 3695: 3693: 3690: 3688: 3685: 3683: 3680: 3678: 3675: 3673: 3670: 3668: 3665: 3664: 3662: 3658: 3652: 3649: 3647: 3644: 3640: 3637: 3635: 3632: 3631: 3630: 3627: 3625: 3622: 3620: 3617: 3615: 3612: 3610: 3607: 3605: 3602: 3600: 3597: 3595: 3592: 3590: 3587: 3585: 3582: 3581: 3579: 3573: 3563: 3560: 3558: 3555: 3553: 3550: 3548: 3545: 3543: 3540: 3538: 3535: 3533: 3530: 3529: 3527: 3523: 3517: 3514: 3512: 3509: 3507: 3504: 3502: 3499: 3497: 3494: 3492: 3489: 3487: 3484: 3482: 3479: 3477: 3474: 3472: 3469: 3467: 3464: 3462: 3459: 3457: 3456:Stage manager 3454: 3452: 3449: 3447: 3444: 3442: 3438: 3436: 3433: 3431: 3428: 3426: 3423: 3421: 3420:Boom operator 3418: 3416: 3413: 3412: 3410: 3406: 3400: 3397: 3395: 3394:Script editor 3392: 3390: 3387: 3385: 3382: 3380: 3377: 3375: 3372: 3370: 3369:Line producer 3367: 3365: 3362: 3360: 3357: 3355: 3352: 3350: 3347: 3345: 3342: 3340: 3337: 3335: 3332: 3330: 3327: 3325: 3322: 3320: 3317: 3315: 3312: 3310: 3307: 3306: 3304: 3300: 3294: 3291: 3289: 3288:News director 3286: 3282: 3279: 3277: 3274: 3273: 3272: 3269: 3267: 3264: 3262: 3259: 3258: 3256: 3252: 3246: 3243: 3241: 3238: 3236: 3233: 3231: 3228: 3226: 3223: 3221: 3220:Changing room 3218: 3216: 3213: 3212: 3210: 3206: 3200: 3197: 3195: 3192: 3190: 3187: 3185: 3182: 3180: 3177: 3175: 3172: 3171: 3169: 3165: 3161: 3154: 3149: 3147: 3142: 3140: 3135: 3134: 3131: 3119: 3111: 3109: 3101: 3099: 3091: 3089: 3079: 3078: 3075: 3068: 3064: 3062: 3059: 3057: 3054: 3052: 3049: 3047: 3044: 3040: 3037: 3035: 3032: 3031: 3029: 3027: 3024: 3023: 3021: 3017: 3011: 3008: 3006: 3003: 3001: 2998: 2996: 2993: 2991: 2988: 2986: 2983: 2981: 2978: 2976: 2973: 2971: 2968: 2966: 2963: 2962: 2960: 2958: 2954: 2948: 2945: 2943: 2940: 2938: 2935: 2933: 2930: 2928: 2925: 2923: 2920: 2918: 2915: 2913: 2910: 2908: 2905: 2903: 2900: 2898: 2895: 2893: 2890: 2888: 2885: 2884: 2882: 2880: 2876: 2870: 2867: 2865: 2862: 2860: 2857: 2855: 2852: 2850: 2847: 2846: 2844: 2840: 2834: 2833:Code-division 2831: 2829: 2826: 2824: 2821: 2819: 2818:Time-division 2816: 2814: 2811: 2809: 2806: 2805: 2803: 2801: 2797: 2791: 2788: 2784: 2781: 2779: 2776: 2775: 2774: 2771: 2767: 2764: 2763: 2762: 2759: 2757: 2754: 2752: 2749: 2748: 2746: 2744:and switching 2742: 2738: 2730: 2727: 2726: 2725: 2722: 2718: 2715: 2714: 2713: 2710: 2708: 2705: 2703: 2700: 2696: 2695:optical fiber 2693: 2692: 2691: 2688: 2686: 2685:Coaxial cable 2683: 2682: 2680: 2678: 2672: 2666: 2663: 2661: 2658: 2656: 2653: 2651: 2648: 2646: 2643: 2641: 2638: 2636: 2633: 2631: 2628: 2626: 2623: 2621: 2618: 2616: 2613: 2611: 2608: 2606: 2603: 2601: 2600:Radia Perlman 2598: 2596: 2593: 2591: 2588: 2586: 2583: 2581: 2578: 2576: 2573: 2571: 2568: 2566: 2563: 2561: 2558: 2556: 2553: 2551: 2548: 2546: 2543: 2541: 2538: 2536: 2533: 2531: 2528: 2526: 2523: 2521: 2518: 2516: 2513: 2511: 2508: 2506: 2503: 2501: 2498: 2496: 2493: 2491: 2490:Lee de Forest 2488: 2486: 2485:Thomas Edison 2483: 2481: 2478: 2476: 2475:Donald Davies 2473: 2471: 2468: 2466: 2463: 2461: 2460:Claude Chappe 2458: 2456: 2453: 2451: 2448: 2446: 2443: 2441: 2438: 2436: 2433: 2431: 2428: 2426: 2423: 2421: 2418: 2416: 2413: 2411: 2408: 2406: 2403: 2401: 2398: 2396: 2393: 2391: 2388: 2387: 2385: 2381: 2375: 2372: 2370: 2367: 2365: 2362: 2360: 2357: 2353: 2350: 2348: 2345: 2344: 2343: 2340: 2338: 2337: 2333: 2331: 2328: 2325: 2322: 2320: 2317: 2315: 2312: 2310: 2307: 2305: 2304:Smoke signals 2302: 2298: 2295: 2293: 2290: 2288: 2285: 2284: 2283: 2282:Semiconductor 2280: 2276: 2273: 2272: 2271: 2268: 2266: 2263: 2261: 2258: 2256: 2253: 2251: 2248: 2246: 2243: 2241: 2238: 2236: 2233: 2231: 2228: 2224: 2221: 2220: 2219: 2216: 2214: 2211: 2209: 2206: 2204: 2201: 2199: 2196: 2194: 2191: 2189: 2186: 2184: 2181: 2179: 2176: 2174: 2171: 2169: 2166: 2162: 2159: 2157: 2154: 2152: 2149: 2147: 2144: 2143: 2142: 2141:Digital media 2139: 2135: 2132: 2130: 2127: 2125: 2122: 2120: 2117: 2116: 2115: 2112: 2110: 2107: 2105: 2102: 2100: 2097: 2095: 2092: 2090: 2087: 2085: 2082: 2081: 2079: 2077: 2073: 2069: 2062: 2057: 2055: 2050: 2048: 2043: 2042: 2039: 2028: 2024: 2018: 2015: 2010: 2006: 2000: 1997: 1992: 1988: 1981: 1978: 1974: 1968: 1965: 1961: 1960: 1955: 1949: 1946: 1942: 1941:1-59213-499-8 1938: 1934: 1928: 1925: 1920: 1914: 1910: 1909: 1901: 1898: 1894: 1889: 1886: 1882: 1878: 1877:archive.today 1874: 1871: 1865: 1862: 1858: 1853: 1850: 1846: 1845: 1840: 1839:Coaxial Cable 1834: 1831: 1818: 1814: 1810: 1806: 1802: 1798: 1791: 1788: 1783: 1777: 1773: 1769: 1768: 1760: 1757: 1744: 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Index

Television channel
Television station
Broadcast television systems

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telecommunications network
television content
television stations
pay television
multichannel video programming distributors
broadcast programming
terrestrial networks
BBC
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PBS
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television transmitters
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