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114-553: South Carolina Educational Television (branded South Carolina ETV , SCETV or simply ETV ) is a state network of PBS member television stations serving the U.S. state of South Carolina . It is operated by the South Carolina Educational Television Commission , an agency of the state government which holds the licenses for all of the PBS member stations licensed in the state. The broadcast signals of

228-423: A PBS Passport member benefit subscription. On July 1, 2016, Amazon Prime Video and PBS Distribution entered into a multi-year agreement which saw several PBS Kids series on other streaming services move to Amazon Prime Video. PBS Distribution partnered with MultiChoice to launch PBS KIDS on May 22, 2019, on DStv and GOtv subscription platforms across its Sub-Saharan Africa footprint. In mid-2021,

342-552: A 16:9 aspect ratio. HDTV cannot be transmitted over analog television channels because of channel capacity issues. SDTV, by comparison, may use one of several different formats taking the form of various aspect ratios depending on the technology used in the country of broadcast. NTSC can deliver a 640 × 480 resolution in 4:3 and 854 × 480 in 16:9 , while PAL can give 768 × 576 in 4:3 and 1024 × 576 in 16:9 . However, broadcasters may choose to reduce these resolutions to reduce bit rate (e.g., many DVB-T channels in

456-495: A 1990 FIFA World Cup broadcast in March 1990. An American company, General Instrument , also demonstrated the feasibility of a digital television signal in 1990. This led to the FCC being persuaded to delay its decision on an advanced television (ATV) standard until a digitally based standard could be developed. When it became evident that a digital standard might be achieved in March 1990,

570-402: A scattering effect as the digital processing dithers and is unable to consistently allocate a value of either absolute black or the next step up the greyscale. Changes in signal reception from factors such as degrading antenna connections or changing weather conditions may gradually reduce the quality of analog TV. The nature of digital TV results in a perfectly decodable video initially, until

684-649: A standard-definition television (SDTV) signal, and over 1  Gbit/s for high-definition television (HDTV). In the mid-1980s, Toshiba released a television set with digital capabilities, using integrated circuit chips such as a microprocessor to convert analog television broadcast signals to digital video signals, enabling features such as freezing pictures and showing two channels at once . In 1986, Sony and NEC Home Electronics announced their own similar TV sets with digital video capabilities. However, they still relied on analog TV broadcast signals, with true digital TV broadcasts not yet being available at

798-429: A subwoofer bass channel, producing broadcasts similar in quality to movie theaters and DVDs. Digital TV signals require less transmission power than analog TV signals to be broadcast and received satisfactorily. DTV images have some picture defects that are not present on analog television or motion picture cinema, because of present-day limitations of bit rate and compression algorithms such as MPEG-2 . This defect

912-479: A widescreen aspect ratio (commonly 16:9 ) in contrast to the narrower format ( 4:3 ) of analog TV. It makes more economical use of scarce radio spectrum space; it can transmit up to seven channels in the same bandwidth as a single analog channel, and provides many new features that analog television cannot. A transition from analog to digital broadcasting began around 2000. Different digital television broadcasting standards have been adopted in different parts of

1026-523: A 2012 speech to 850 top executives from PBS stations, Senior Vice President of Digital Jason Seiken warned that PBS was in danger of being disrupted by YouTube studios such as Maker Studios . In the speech, later described as a "seminal moment" for public television, he laid out his vision for a new style of PBS digital video production. Station leadership rallied around his vision and Seiken formed PBS Digital Studios , which began producing educational but edgy videos, something Seiken called "PBS-quality with

1140-764: A PBS Julia Child channel be added to Pluto TV in the United States. The channels "PBS Antiques Roadshow", "Julia Child", "Antiques Road Trip" and "PBS Nature" were added to a number of American FAST platforms in January 2023. Antiques Road Trip later became available in Australia. The channels "PBS Food" (in the United States) and "PBS History" (in the UK and Australia) launched on certain FAST platforms in late 2023. The channel "PBS Retro"

1254-537: A TV set in the following year. The digital television transition, migration to high-definition television receivers and the replacement of CRTs with flat screens are all factors in the increasing number of discarded analog CRT-based television receivers. In 2009, an estimated 99 million analog TV receivers were sitting unused in homes in the US alone and, while some obsolete receivers are being retrofitted with converters, many more are simply dumped in landfills where they represent

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1368-446: A YouTube sensibility". The studio's first hit, an auto-tuned version of the theme from one of their most famous television programs, Mister Rogers' Neighborhood , was one of YouTube's 10 most viral videos of 2012. By 2013, monthly video views on PBS.org had risen from 2 million to a quarter-billion, PBS.org traffic had surpassed that of the CBS, NBC, and ABC web sites, PBSKids.org had become

1482-433: A distance education and how-to service operated between 2000 and 2006, and was largely succeeded by Create (a similarly formatted network owned by American Public Television). The 24-hour PBS Kids Channel has had two iterations in the age of digital television ; one which existed between 1999 and 2005 (being superseded by PBS Kids Sprout), and the current version which was launched in 2017. World began operations in 2007 as

1596-717: A frequent source of viewer confusion. In December 2009, PBS signed up for the Nielsen ratings audience measurement reports, and began to be included in its primetime and daily "Television Index" reports, alongside the major commercial broadcast networks. In May 2011, PBS announced that it would incorporate breaks containing underwriter spots for corporate and foundation sponsors, program promotions and identification spots within four breaks placed within episodes of Nature and NOVA , airing episodes broken up into segments of up to 15 minutes, rather than airing them as straight 50- to 55-minute episodes. The strategy began that fall, with

1710-680: A genre-based schedule (for example, drama series encompass the Sunday schedule, while science-related programs are featured on Wednesdays). PBS broadcasts children's programming under the PBS Kids branding as part of the service's (and including content supplied by other distributors not programmed by the service, its member stations') morning and afternoon schedule. As the children's programs it distributes are intended to educate as well as entertain its target audience, PBS and its stations have long been in compliance with educational programming guidelines set by

1824-438: A larger proportion of PBS-distributed programming to the primary member station, with the secondary members being allowed to carry a lesser number of program offerings from the service's schedule. Unlike public broadcasters in most other countries, PBS cannot own any of the stations that broadcasts its programming; therefore, it is one of the few television programming bodies that does not have any owned-and-operated stations . This

1938-436: A more efficient means of converting filmed programming into digital formats. For their part, the consumer electronics industry and broadcasters argued that interlaced scanning was the only technology that could transmit the highest quality pictures then (and currently) feasible, i.e., 1,080 lines per picture and 1,920 pixels per line. Broadcasters also favored interlaced scanning because their vast archive of interlaced programming

2052-487: A repeater of the network. The original plan was for each station to carry callsigns of the form WxTV, but after WNTV and WITV signed on it was determined that there were not enough such callsigns available. Beginning with the third station, WRLK-TV in Columbia, most of the remaining callsigns represent prominent officials who either supported SCETV or represented the station's coverage area. Download coordinates as: Many of

2166-551: A service operated by PBS but is now managed by American Public Television. PBS has also restructured its satellite feed system, simplifying HD02 (PBS West) into a timeshift feed for the Pacific Time Zone , rather than a high-definition complement to its formerly primary SD feed. PBS Kids Go! was proposed as a replacement broadcast network for the original 1999–2005 version of the PBS Kids Channel; however, plans to launch

2280-408: A set schedule of programming, particularly in regard to its prime time schedule, member stations reserve the right to schedule PBS-distributed programming in other time slots or not clear it at all if they choose to do so; few of the service's members carry all its programming. Most PBS stations timeshift some distributed programs. Once PBS accepts a program offered for distribution, PBS, rather than

2394-463: A single HDTV feed or multiple lower-resolution feeds is often referred to as distributing one's bit budget or multicasting. This can sometimes be arranged automatically, using a statistical multiplexer . With some implementations, image resolution may be less directly limited by bandwidth; for example in DVB-T , broadcasters can choose from several different modulation schemes, giving them the option to reduce

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2508-410: A single frame often results in black boxes in several subsequent frames, making viewing difficult. For remote locations, distant channels that, as analog signals, were previously usable in a snowy and degraded state may, as digital signals, be perfectly decodable or may become completely unavailable. The use of higher frequencies add to these problems, especially in cases where a clear line-of-sight from

2622-559: A source of tension as stations seek to preserve their localism, and PBS strives to market a consistent national lineup. However, PBS has a policy of "common carriage", which requires most stations to clear the national prime time programs on a common programming schedule to market them nationally more effectively. Management at former Los Angeles member KCET cited unresolvable financial and programming disputes among its major reasons for leaving PBS after over 40 years in January 2011, although it would return to PBS in 2019. Although PBS has

2736-400: A standard-definition (SDTV) digital signal instead of an HDTV signal, because current convention allows the bandwidth of a DTV channel (or " multiplex ") to be subdivided into multiple digital subchannels , (similar to what most FM radio stations offer with HD Radio ), providing multiple feeds of entirely different television programming on the same channel. This ability to provide either

2850-459: A study to see if instructional television could assist the state's public schools. Dreher High School in Columbia, South Carolina lent its library to be the study's studio. The first courses (a French course taught by Madame Lucille Turney-High and a geometry course taught by Cornelia Turnbull) were transmitted on September 8, 1958, via closed-circuit television . Following the study's success South Carolina Educational Television Commission (ETV)

2964-502: A terrestrial transmitter in range of their antenna. Other delivery methods include digital cable and digital satellite . In some countries where transmissions of TV signals are normally achieved by microwaves , digital multichannel multipoint distribution service is used. Other standards, such as digital multimedia broadcasting (DMB) and digital video broadcasting - handheld (DVB-H), have been devised to allow handheld devices such as mobile phones to receive TV signals. Another way

3078-581: A top building sign visible off the Richmond Highway . On August 4, 2020, the Amazon Prime Video platform added a "PBS Documentaries" package. As of that time it offered four separately-subscribable selections of PBS programming in the United States, "PBS Documentaries", "PBS Living" (also on Apple TV), "PBS Masterpiece" (also in Canada) and "PBS KIDS". In the UK, a "PBS America" documentaries package

3192-508: Is The Lawrence Welk Show , which has aired continuously in reruns on PBS (through the Oklahoma Educational Television Authority ) almost every weekend since 1986. Reruns of programs originally produced for public television are common, especially with former PBS shows whose hosts have retired or died (for example, The Joy of Painting and Mister Rogers' Neighborhood ). Children's programming (such as Clifford

3306-503: Is Internet Protocol television (IPTV), which is the delivery of TV over a computer network. Finally, an alternative way is to receive digital TV signals via the open Internet ( Internet television ), whether from a central streaming service or a P2P (peer-to-peer) system. Some signals are protected by encryption and backed up with the force of law under the WIPO Copyright Treaty and national legislation implementing it, such as

3420-478: Is NETA (formerly SECA), whose properties have included The Shapies and Jerry Yarnell School of Fine Art . In addition, the member stations themselves also produce a variety of local shows, some of which subsequently receive national distribution through PBS or other distributors. Rerun programming , especially domestic programming not originally produced for public television, is generally uncommon on PBS or its member stations. The most prominent exception to this

3534-440: Is a crucial regulatory tool for controlling the placement and power levels of stations. Digital TV is more tolerant of interference than analog TV. People can interact with a DTV system in various ways. One can, for example, browse the electronic program guide . Modern DTV systems sometimes use a return path providing feedback from the end user to the broadcaster. This is possible over cable TV or through an Internet connection but

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3648-486: Is an American public broadcaster and non-commercial , free-to-air television network based in Arlington, Virginia . PBS is a publicly funded nonprofit organization and the most prominent provider of educational programs to public television stations in the United States, distributing shows such as Frontline , Nova , PBS News Hour , Masterpiece , Sesame Street , and This Old House . PBS

3762-445: Is available on Amazon Prime Video. On September 3, 2020, PBS began to offer a livestream of their member stations for free via its website (as well as the websites from the member stations), on smart TVs, and on their mobile apps. However, only a small handful of stations currently do not have a livestream of their stations set up. Jefferson Graham of USA Today called it, "Arguably the best bargain in streaming". July 1, 2021 saw

3876-780: Is carried on nearly every cable television provider in South Carolina. Additionally, Rock Hill's WNSC-TV is carried on Charter Spectrum 's systems on the North Carolina side of the Charlotte market. On DirecTV and Dish Network , WRLK-TV, WNTV, WITV, WNSC-TV, WJWJ-TV, WEBA-TV and WJPM-TV are respectively carried on the Columbia, Greenville/Spartanburg/Asheville, Charleston, Charlotte, Savannah, Augusta and Florence/Myrtle Beach local feeds. The South Carolina Channel, ETV World and SCETV PBS Kids have yet to be offered by satellite services. PBS The Public Broadcasting Service ( PBS )

3990-422: Is charged with the responsibility of programming local content such as news, interviews, cultural, and public affairs programs for its individual market or state that supplements content provided by PBS and other public television distributors. In a commercial broadcast television network structure, affiliates give up portions of their local advertising airtime in exchange for carrying network programming, and

4104-665: Is funded by a combination of member station dues, the Corporation for Public Broadcasting , pledge drives , and donations from both private foundations and individual citizens. All proposed funding for programming is subject to a set of standards to ensure the program is free of influence from the funding source. PBS has over 350 member television stations , many owned by educational institutions , nonprofit groups both independent or affiliated with one particular local public school district or collegiate educational institution, or entities owned by or related to state government . PBS

4218-515: Is located in Columbia, with production facilities (regional stations) in Rock Hill, Spartanburg and Sumter. SCETV initially planned to make all eleven of its television stations capable of airing local programming. Four full-fledged stations were built and staffed in Beaufort, Rock Hill, Spartanburg and Sumter before the idea was abandoned in the early 1980s. In 2012, WJWJ-TV in Beaufort was converted into

4332-498: Is not possible with a standard antenna alone. Some of these systems support video on demand using a communication channel localized to a neighborhood rather than a city (terrestrial) or an even larger area (satellite). 1seg (1-segment) is a special form of ISDB . Each channel is further divided into 13 segments. Twelve are allocated for HDTV and the other for narrow-band receivers such as mobile televisions and cell phones . DTV has several advantages over analog television ,

4446-568: Is not readily compatible with a progressive format. DirecTV in the US launched the first commercial digital satellite platform in May 1994, using the Digital Satellite System (DSS) standard. Digital cable broadcasts were tested and launched in the US in 1996 by TCI and Time Warner . The first digital terrestrial platform was launched in November 1998 as ONdigital in the UK, using

4560-546: Is not the only distributor of public television programming to the member stations. Other distributors have emerged from the roots of companies that maintained loosely held regional public television stations in the 1960s. Boston -based American Public Television (which, among other names, was formerly known as Eastern Educational Network and the American Program Service) is second only to PBS for distributing programs to U.S. non-commercial stations. Another distributor

4674-680: Is one of the largest producers of educational television programming, including shows like American Experience , Arthur (with Canada-based CINAR ), Masterpiece Theatre , Nova , Antiques Roadshow and Frontline , as well as many other children's and lifestyle programs. News programs are produced by WETA-TV ( PBS News Hour ) in Washington, D.C. , WNET in New York City and WPBT in Miami . Newark, New Jersey/ New York City member WNET produces or distributes programs such as Secrets of

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4788-488: Is partly due to the origins of the PBS stations themselves, and partly due to historical broadcast license issues. Most PBS member stations have produced at least some nationally distributed programs. Current regularly scheduled programming on the PBS national feed is produced by a smaller group of stations, including: PBS has spun off a number of television networks , often in partnership with other media companies. PBS YOU ,

4902-544: Is responsible for governing and setting policy for PBS, consisting of 27 members: 14 professional directors (station managers), 12 general directors (outside directors), and the PBS president. All PBS Board members serve three-year terms, without pay. PBS member stations elect the 14 professional directors; the board elects the 12 general directors and appoints the PBS president and CEO; and the entire board elects its officers. As of March 2015 , PBS maintains current memberships with 354 television stations encompassing 50 states,

5016-504: Is sometimes referred to as mosquito noise . Because of the way the human visual system works, defects in an image that are localized to particular features of the image or that come and go are more perceptible than defects that are uniform and constant. However, the DTV system is designed to take advantage of other limitations of the human visual system to help mask these flaws, e.g., by allowing more compression artifacts during fast motion where

5130-491: Is the format used in computers, scans lines in sequences, from top to bottom. The computer industry argued that progressive scanning is superior because it does not flicker in the manner of interlaced scanning. It also argued that progressive scanning enables easier connections with the Internet and is more cheaply converted to interlaced formats than vice versa. The film industry also supported progressive scanning because it offers

5244-501: Is the only children's programming block on U.S. broadcast television. As PBS is often known for doing, PBS Kids has broadcast imported series from other countries; these include British series originally broadcast by the BBC and ITV . Through American Public Television, many PBS stations also began airing the Australian series Raggs on June 4, 2007. Some of the programs broadcast as part of

5358-482: Is the transmission of television signals using digital encoding, in contrast to the earlier analog television technology which used analog signals . At the time of its development it was considered an innovative advancement and represented the first significant evolution in television technology since color television in the 1950s. Modern digital television is transmitted in high-definition television (HDTV) with greater resolution than analog TV. It typically uses

5472-582: Is used in the Netflix VMAF video quality monitoring system. Quantising effects can create contours—rather than smooth gradations—on areas with small graduations in amplitude. Typically, a very flat scene, such as a cloudless sky, will exhibit visible steps across its expanse, often appearing as concentric circles or ellipses. This is known as color banding . Similar effects can be seen in very dark scenes, where true black backgrounds are overlaid by dark gray areas. These transitions may be smooth, or may show

5586-521: The Corporation for Public Broadcasting (CPB). Cauthen retired in 1997. Paul Amos served as ETV's third president from 1998 until his death in 2000. Maurice "Moss" Bresnahan was ETV's president and CEO from 2001 to 2008. David Crouch served as interim president in 2009. Linda O'Bryon was president from 2010 to 2017. Anthony Padgett is the current president and CEO. Despite the DTV Delay Act national transition extension to June 12, 2009, SCETV discontinued

5700-780: The DVB-T standard. Digital television supports many different picture formats defined by the broadcast television systems which are a combination of size and aspect ratio (width to height ratio). With digital terrestrial television (DTT) broadcasting, the range of formats can be broadly divided into two categories: high-definition television (HDTV) for the transmission of high-definition video and standard-definition television (SDTV). These terms by themselves are not very precise and many subtle intermediate cases exist. One of several different HDTV formats that can be transmitted over DTV is: 1280 × 720 pixels in progressive scan mode (abbreviated 720p ) or 1920 × 1080 pixels in interlaced video mode ( 1080i ). Each of these uses

5814-524: The Federal Communications Commission in response to the enactment of the Children's Television Act of 1990 . Many member stations have historically also broadcast distance education and other instructional television programs, typically during daytime slots; though with the advent of digital television, which has allowed stations to carry these programs on digital subchannels in lieu of

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5928-470: The 1980s onward, the national PBS network has not typically carried sporting events, mainly because the broadcast rights to most sporting events have become more cost-prohibitive in that timeframe, especially for nonprofits with limited revenue potential; in addition, starting with the respective launches of the MountainWest Sports Network (now defunct) and Big Ten Network in 2006 and 2007 and

6042-547: The Big Red Dog and DragonflyTV , the latter of which is also syndicated on commercial television) is rerun extensively. In 2020 and 2021, PBS served as the over-the-air home to select specials from the Peanuts library , under sublicense from Apple ; the deal was not renewed in 2022. Launched as PTV on July 11, 1994, PBS Kids is the brand for children's programs aired by PBS. PBS Kids, launched in 1999 and operated until 2005,

6156-627: The Carolinas airing during the evening hours. ETV World (ETVW) provides live newscasts from Europe , notably from Germany 's Deutsche Welle and the United Kingdom 's BBC television networks, along with live coverage from the South Carolina State House. SCETV PBS Kids is the fourth channel, a 24/7 service also available online. SCC, ETVW and ETVK are transmitted in 480i widescreen standard definition . SCETV's television network

6270-751: The Dead , Nature , and Cyberchase . PBS also works with other networks for programming such as CNN International for Amanpour & Company which is a co-production of CNN International and WNET. PBS member stations are known for rebroadcasting British television costume dramas , comedies and science fiction programs (acquired from the BBC and other sources) such as Downton Abbey ; 'Allo 'Allo! ; Are You Being Served? ; The Benny Hill Show , Red Dwarf ; The Fall and Rise of Reginald Perrin ; Father Ted ; Fawlty Towers ; Harry Enfield & Chums ; Keeping Up Appearances ; Monty Python's Flying Circus ; Mr. Bean , The Vicar of Dibley ,

6384-552: The District of Columbia and four U.S. possessions; as such, it is the only television broadcaster in the United States—commercial or non-commercial—which has station partners licensed in every U.S. state (by comparison, none of the five major commercial broadcast networks has affiliates in certain states where PBS has members, most notably New Jersey ). The service has an estimated national reach of 93.74% of all households in

6498-467: The FCC took several important actions. First, the Commission declared that the new TV standard must be more than an enhanced analog signal , but be able to provide a genuine HDTV signal with at least twice the resolution of existing television images. Then, to ensure that viewers who did not wish to buy a new digital television set could continue to receive conventional television broadcasts, it dictated that

6612-454: The FCC's final standard. This outcome resulted from a dispute between the consumer electronics industry (joined by some broadcasters) and the computer industry (joined by the film industry and some public interest groups) over which of the two scanning processes— interlaced or progressive —is superior. Interlaced scanning, which is used in televisions worldwide, scans even-numbered lines first, then odd-numbered ones. Progressive scanning, which

6726-583: The Los Angeles market ; KCET served as the market's primary PBS member until it left the service in January 2011, at which time it was replaced by KOCE). KCET rejoined PBS in 2019, thus giving the Los Angeles area four different member stations. For these cases, PBS utilizes the Program Differentiation Plan, which divides by percentage the number of programs distributed by the service that each member can carry on their schedule; often, this assigns

6840-518: The State at-large who serves as Chairman. The ninth member is the State Superintendent of Education who is ex-officio. SCETV's television network of 11 digital transmitters covers South Carolina, as well as eastern portions of Georgia (including Augusta and Savannah ) and southern portions of North Carolina (including Charlotte and Asheville ). SCETV's headquarters and main production facility

6954-404: The U.S., in which network-affiliated stations were initially owned by companies that owned few to no other television stations elsewhere in the country. In some U.S. states, a group of PBS stations throughout the entire state may be organized into a single regional "subnetwork" (such as Alabama Public Television and Arkansas PBS ); in this model, PBS programming and other content is distributed by

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7068-639: The UK use a horizontal resolution of 544 or 704 pixels per line). Each commercial broadcasting terrestrial television DTV channel in North America is allocated enough bandwidth to broadcast up to 19 megabits per second. However, the broadcaster does not need to use this entire bandwidth for just one broadcast channel. Instead, the broadcast can use Program and System Information Protocol and subdivide across several video subchannels (a.k.a. feeds) of varying quality and compression rates, including non-video datacasting services. A broadcaster may opt to use

7182-572: The US Digital Millennium Copyright Act . Access to encrypted channels can be controlled by a removable card, for example via the Common Interface or CableCard . Digital television signals must not interfere with each other and they must also coexist with analog television until it is phased out. The following table gives allowable signal-to-noise and signal-to-interference ratios for various interference scenarios. This table

7296-442: The United States (or 292,926,047 Americans with at least one television set). PBS stations are commonly operated by nonprofit organizations , state agencies, local authorities (such as municipal boards of education), or universities in their city of license ; this is similar (albeit more centralized in states where a licensee owns multiple stations rebroadcasting the main PBS member) to the early model of commercial broadcasting in

7410-561: The analog signals of its 11 full-power stations February 18, 2009. Each station's post-transition digital allocations and the FCC Repack Plan (2017) are as follows: On April 13, 2017, the FCC identified SCETV will be compensated $ 43.2 million to have WRET-TV go off-the-air as part of the Spectrum auction . WRET will relinquish RF 43 and go into a channel sharing arrangement with WNTV, starting on January 23, 2018. On August 30, 2017, PBS Kids

7524-405: The callsign WIIB before sign-on. WJWJ-TV (branded as "ETV Lowcountry") previously maintained a regional production facility which was closed down in 2012. WNSC-TV (branded as "ETV Carolinas"), WRET-TV (branded as "ETV Upstate"), and WRJA-TV (branded as "ETV Sumter") are regional production facilities. The other six transmitters are full-time relays of WRLK (branded as "ETV Headquarters"). WRET-TV used

7638-441: The callsign WRTS-TV before sign-on. SCETV offers four digital television services available over-the-air , and through the digital tiers of some cable television providers. ETV HD is the primary feed with high definition content from PBS and SCETV broadcast in the 1080i resolution format. The South Carolina Channel (SCC) carries the national Create service daily, with regionally produced documentary programs focusing on

7752-399: The channel in 2012). However, the original programming block still exists on PBS, filling daytime and in some cases, weekend morning schedules on its member stations; many members also carry 24-hour locally programmed children's networks featuring PBS Kids content on one of their digital subchannels. A revived version of the PBS Kids Channel was launched on January 16, 2017. As of 2019, PBS Kids

7866-448: The channel was added to Australia's Foxtel subscription platform. At the summer 2019 Television Critics Association press tour day for PBS on July 29, 2019, it was announced that MVPD YouTube TV would begin to carry PBS programming and member stations in the fall of 2019. Member stations have the choice of having their traditional channel on the service with its full programming schedule received by Google over-the-air and uploaded to

7980-456: The course of a year. However, PBS is not responsible for all programming carried on public television stations, a large proportion of which may come from its member stations —including WGBH-TV , WETA-TV , WNET , WTTW , WQED , WHYY-TV , Twin Cities PBS — American Public Television , and independent producers. This distinction regarding the origin of different programs on the service presents

8094-573: The digital signals of some member stations, while HD02 (PBS West) serves as a secondary HD feed. With the absence of advertising , network identification on these PBS networks was limited to utilization at the end of the program, which includes the standard series of bumpers from the "Be More" campaign. While not operated or controlled by PBS proper, additional public broadcasting networks are available and carried by PBS member stations. The following three are also distributed by PBS via satellite. Digital television Digital television ( DTV )

8208-414: The digital signals. In the United States, a government-sponsored coupon was available to offset the cost of an external converter box. The digital television transition began around the late 1990s and has been completed on a country-by-country basis in most parts of the world. Prior to the conversion to digital TV, analog television broadcast audio for TV channels on a separate FM carrier signal from

8322-455: The dominant US children's site for video, and PBS had won more 2013 Webby Awards than any other media company in the world. On May 8, 2013, full-length episodes of PBS' prime time, news and children's programs were made available through the Roku streaming player; programming is available on Roku as separate streaming channels for "PBS" and " PBS KIDS " content. Some content is only available with

8436-514: The early 1990s. In the mid-1980s, as Japanese consumer electronics firms forged ahead with the development of HDTV technology, and as the MUSE analog format was proposed by Japan's public broadcaster NHK as a worldwide standard. Japanese advancements were seen as pacesetters that threatened to eclipse US electronics companies. Until June 1990, the Japanese MUSE standard—based on an analog system—was

8550-583: The eleven television stations cover almost all of the state, as well as parts of North Carolina and Georgia . The network's primary operations are located on George Rogers Boulevard in Columbia , across from Williams-Brice Stadium on the campus of the University of South Carolina ; SCETV operates satellite studios in Spartanburg , Sumter and Rock Hill . The South Carolina General Assembly in 1958 authorized

8664-408: The exception of Sprout, some of these services, including those from PBS member stations and networks, have not made contracts with Internet-distributed over-the-top MVPD services such as Sling TV and the now defunct PlayStation Vue . With the transition to over-the-air digital television broadcasts, many of the services are also often now available as standard-definition multicast channels on

8778-517: The exceptions of Washington Week in Review and Wall Street Week (CPB resumed funding of Washington Week in 1997). In 1994, The Chronicle of Philanthropy released the results of the largest study on the popularity and credibility of charitable and non-profit organizations. PBS ranked as the 11th "most popular charity/non-profit in America" from over 100 charities researched in the study conducted by

8892-482: The eye cannot track and resolve them as easily and, conversely, minimizing artifacts in still backgrounds that, because time allows, may be closely examined in a scene. Broadcast, cable, satellite and Internet DTV operators control the picture quality of television signal encoders using sophisticated, neuroscience-based algorithms, such as the structural similarity index measure (SSIM) video quality measurement tool. Another tool called visual information fidelity (VIF),

9006-522: The front-runner among the more than 23 different technical concepts under consideration. Between 1988 and 1991, several European organizations were working on DCT -based digital video coding standards for both SDTV and HDTV. The EU 256 project by the CMTT and ETSI , along with research by Italian broadcaster RAI , developed a DCT video codec that broadcast SDTV at 34 Mbit/s and near-studio-quality HDTV at about 70–140 Mbit/s . RAI demonstrated this with

9120-425: The image and sound, although the program material may still be watchable. With digital television, because of the cliff effect , reception of the digital signal must be very nearly complete; otherwise, neither audio nor video will be usable. Analog TV began with monophonic sound and later developed multichannel television sound with two independent audio signal channels. DTV allows up to 5 audio signal channels plus

9234-413: The industry publication, with 38.2% of Americans over the age of 12 choosing "love" and "like a lot" for PBS. Since the mid-2000s, Roper Opinion Research polls commissioned by PBS have consistently placed the service as the most-trusted national institution in the United States. A 2016–2017 study by Nielsen Media Research found 80% of all US television households view the network's programs over

9348-608: The intent to expand the in-program breaks to the remainder of the schedule if successful. In 2011, PBS released apps for iOS and Android to allow viewing of full-length videos on mobile devices. Vern Seward of The Mac Observer calls the PBS iPad App, "...cool on so many levels." An update in 2015 added Chromecast support. "PBS UK" was launched as a paid subscription channel in the United Kingdom on November 1, 2011, featuring American documentary programming sourced from PBS. Better identifying its subject matter, this channel

9462-900: The later launches of the Pac-12 Network and ESPN's SEC Network and ACC Network , athletic conferences have acquired rights for all of their member university's sports programs for their cable channels, restricting their use from PBS member stations, even those associated with their own universities. From 1976 to 1989, KQED produced a series of Bundesliga matches under the banner Soccer Made in Germany , with Toby Charles announcing. PBS also carried tennis events, as well as Ivy League football. Notable football commentators included Upton Bell , Marty Glickman , Bob Casciola , Brian Dowling , Sean McDonough and Jack Corrigan . Other sports programs included interview series such as The Way It Was and The Sporting Life . The board of directors

9576-502: The main PBS feed or exclusively over online, many member stations/networks have replaced distance education content with children's and other programming. Unlike its radio counterpart, National Public Radio , PBS does not have a central program production arm or news division. All of the programming carried by PBS, whether news, documentary or entertainment, is created by (or in most cases produced under contract with) other parties, such as individual member stations. Boston member WGBH-TV

9690-488: The most significant being that digital channels take up less bandwidth and the bandwidth allocations are flexible depending on the level of compression and resolution of the transmitted image. This means that digital broadcasters can provide more digital channels in the same space, provide high-definition television service, or provide other non-television services such as multimedia or interactivity. DTV also permits special services such as multiplexing (more than one program on

9804-419: The network pays its affiliates a share of the revenue it earns from advertising. By contrast, PBS member stations pay fees for the shows acquired and distributed by the national organization. Under this relationship, PBS member stations have greater latitude in local scheduling than their commercial broadcasting counterparts. Scheduling of PBS-distributed series may vary greatly depending on the market. This can be

9918-484: The network were folded in 2006. Programming from the PBS Satellite Service has also been carried by certain member stations or regional member networks to fill their overnight schedules (particularly those that have transitioned to a 24-hour schedule since the late 1990s), in lieu of providing programming sourced from outside public television distributors or repeats of local programming (program promotions shown on

10032-408: The new ATV standard must be capable of being simulcast on different channels. The new ATV standard also allowed the new DTV signal to be based on entirely new design principles. Although incompatible with the existing NTSC standard, the new DTV standard would be able to incorporate many improvements. A universal standard for scanning formats, aspect ratios, or lines of resolution was not produced by

10146-629: The original run of Doctor Who , and Sherlock . However, a significant amount of sharing takes place. The BBC and British broadcasters such as Channel 4 often cooperate with PBS stations, producing material that is shown on both sides of the Atlantic . Less frequently, Canadian, Australian and other international programming appears on PBS stations (such as The Red Green Show , currently distributed by syndicator Executive Program Services); public broadcasting syndicators are more likely to offer this programming to U.S.-based public television stations. PBS

10260-1107: The originating member station, retains exclusive rebroadcasting rights during an agreed period. Suppliers, however, retain the right to sell the program's intellectual property in non-broadcast media such as DVDs , books, and sometimes PBS- licensed merchandise . The evening and primetime schedule on PBS features a diverse array of programming including fine arts ( Great Performances ); drama ( Masterpiece , Downton Abbey , American Family: Journey of Dreams ); science ( Nova , Nature ); history ( American Experience , American Masters , History Detectives , Antiques Roadshow ); music ( Austin City Limits , Soundstage ); public affairs ( Frontline , PBS NewsHour , Washington Week , Nightly Business Report ); independent films and documentaries ( P.O.V. , Independent Lens ); home improvement ( This Old House ); and interviews ( Amanpour & Company , Tavis Smiley , The Dick Cavett Show ). In 2012, PBS began organizing much of its prime time programming around

10374-558: The originating station in the subnetwork to other full-power stations that serve as satellites as well as any low-power translators in other areas of the state. Some states may be served by such a regional network and simultaneously have PBS member stations in a certain city (such as the case with secondary member KBDI-TV in Denver , which is not related to Colorado member network Rocky Mountain PBS and its flagship station and primary Denver PBS member, KRMA-TV) that operate autonomously from

10488-418: The problem of large numbers of analog receivers being discarded. One superintendent of public works was quoted in 2009 saying; "some of the studies I’ve read in the trade magazines say up to a quarter of American households could be throwing a TV out in the next two years following the regulation change." In Michigan in 2009, one recycler estimated that as many as one household in four would dispose of or recycle

10602-517: The proceedings nationwide, with Robert MacNeil and Jim Lehrer as commentators. Although all of the Big Three TV Networks ran coverage of the hearings, PBS re-broadcast them on prime time . For seven months, nightly "gavel-to-gavel" broadcasts drew great public interest, and raised the profile of the fledgling PBS network. In 1991, the Corporation for Public Broadcasting resumed funding for most PBS shows that debuted prior to 1977, with

10716-422: The receiving antenna to the transmitter is not available, because usually higher frequency signals can't pass through obstacles as easily. Television sets with only analog tuners cannot decode digital transmissions. When analog broadcasting over the air ceases, users of sets with analog-only tuners may use other sources of programming (e.g., cable, recorded media) or may purchase set-top converter boxes to tune in

10830-445: The receiving equipment starts picking up interference that overpowers the desired signal or if the signal is too weak to decode. Some equipment will show a garbled picture with significant damage, while other devices may go directly from perfectly decodable video to no video at all or lock up. This phenomenon is known as the digital cliff effect. Block errors may occur when transmission is done with compressed images. A block error in

10944-475: The regional member network. As opposed to the present commercial broadcasting model in which network programs are often carried exclusively on one television station in a given market, PBS may maintain more than one member station in certain markets, which may be owned by the licensee of the market's primary PBS member station or owned by a separate licensee (as a prime example, KOCE-TV , KLCS and KVCR-DT —which are all individually owned—serve as PBS stations for

11058-403: The same channel), electronic program guides and additional languages (spoken or subtitled). The sale of non-television services may provide an additional revenue source to broadcasters. Digital and analog signals react to interference differently. For example, common problems with analog television include ghosting of images, noise from weak signals and other problems that degrade the quality of

11172-646: The same time, the groups started out the National Public Affairs Broadcast Center (later National Public Affairs Center for Television), which offered news and national affairs to the service. The group was later merged into member station WETA-TV in 1972. Immediately after public disclosure of the Watergate scandal , on May 17, 1973, the United States Senate Watergate Committee commenced proceedings; PBS broadcast

11286-439: The satellite feed advertise upcoming programs as being aired on PBS during the timeslot card normally used as a placeholder for member outlets to insert local airtime information). Some or all of these services are available on a digital cable tier of many cable providers, on a free-to-air (FTA) satellite receiver receiving from PBS Satellite Service , as well as via subscription-based direct broadcast satellite providers. With

11400-559: The service's children's lineup or through public broadcast syndication directly to its members have subsequently been syndicated to commercial television outlets (such as Ghostwriter and The Magic School Bus ). Many PBS member stations and networks—including Mississippi Public Broadcasting ( MHSAA ), Georgia Public Broadcasting ( GHSA ), Maine Public Broadcasting Network ( MPA ), Iowa PBS ( IGHSAU ), Nebraska Public Media ( NSAA ), and WKYU-TV ( Western Kentucky Hilltoppers )—locally broadcast high school and college sports. From

11514-539: The service, a YouTube TV-only feed provided by the station with some programming substitutions due to lack of digital rights, or a PBS-provided feed with limited localization, though with no local programming or pledge drive programming. In 2019, PBS announced plans to move its headquarters to another building in the Crystal Gateway complex, while remaining in Crystal City, Virginia , and did so in 2020, which included

11628-655: The state. After years of receiving NET and PBS programs on tape delay , it entered PBS' satellite network in 1978. In 2000, SCETV broadcast the first digital television program in the state. Since 2003, the state network identifies on-air as simply "ETV." South Carolina Educational Radio ( public radio ) began in 1972, when WEPR in Clemson signed on the air with maximum power of 100,000 watts (WEPR later moved its city of license to Greenville). The network eventually expanded to eight radio transmitters (five 100kW and three 30kW transmitters). The South Carolina Educational Radio Network

11742-502: The stations have call signs named after former elected officials in the state. WRLK-TV was named after R. Lynn Kalmbach, the first general manager of ETV Commission, while WRET-TV was named for Richard E. Tukey, the director of Spartanburg County 's Chamber of Commerce from 1951 to 1979. WJPM-TV, WJWJ-TV and WRJA-TV were all named after state legislators: WEBA-TV for Edgar Brown , WJPM-TV for James Pierce Mozingo III, WJWJ-TV for James M. Waddell, Jr. and WRJA-TV for R. J. Aycock. WHMC used

11856-533: The time. A digital TV broadcast service was proposed in 1986 by Nippon Telegraph and Telephone (NTT) and the Ministry of Posts and Telecommunication (MPT) in Japan, where there were plans to develop an "Integrated Network System" service. However, it was not possible to practically implement such a digital TV service until the adoption of motion-compensated DCT video compression formats such as MPEG made it possible in

11970-435: The transmission bit rate and make reception easier for more distant or mobile viewers. There are several different ways to receive digital television. One of the oldest means of receiving DTV (and TV in general) is from terrestrial transmitters using an antenna (known as an aerial in some countries). This delivery method is known as digital terrestrial television (DTT). With DTT, viewers are limited to channels that have

12084-451: The video signal. This FM audio signal could be heard using standard radios equipped with the appropriate tuning circuits. However, after the digital television transition , no portable radio manufacturer has yet developed an alternative method for portable radios to play just the audio signal of digital TV channels; DTV radio is not the same thing. The adoption of a broadcast standard incompatible with existing analog receivers has created

12198-409: The world; below are the more widely used standards: Digital television's roots are tied to the availability of inexpensive, high-performance computers . It was not until the 1990s that digital TV became a real possibility. Digital television was previously not practically feasible due to the impractically high bandwidth requirements of uncompressed video , requiring around 200  Mbit/s for

12312-518: Was added on new subchannel .4 and online. On October 31, 2017, SCETV submitted an application to change the digital terrestrial signal of WITV from channel 7 (VHF) to channel 24 (UHF); the changeover was scheduled to take place between May and July 2020. There are nine members of the ETV Commission. Eight are appointed by the Governor for six-year terms—one from each Congressional District and one from

12426-461: Was added to Roku's live TV channel lineup in the United States on April 23, 2024, airing PBS Kids shows from the 70s, 80s and 90s. Even with its status as a non-profit and educational television network, PBS engages in program distribution, providing television content and related services to its member stations, each of which together cooperatively owns the network. Unlike the affiliates for commercial TV networks, each non-profit PBS member station

12540-550: Was created as a state agency, on July 1, 1960. By 1962 ETV extended closed-circuit, classroom television service to most South Carolina counties. In 1963, the Commission launched the first open-circuit (broadcast) educational station in South Carolina, WNTV in Greenville . One year later, WITV in Charleston signed on. Two years later, WRLK-TV in Columbia, made its debut. The network grew to eleven television transmitters covering all of

12654-572: Was established on November 3, 1969, by Hartford N. Gunn Jr. (president of WGBH ), John Macy (president of CPB ), James Day (last president of National Educational Television ), and Kenneth A. Christiansen (chairman of the department of broadcasting at the University of Florida ). It began operations on October 5, 1970, taking over many of the functions of its predecessor, National Educational Television (NET), which later merged with Newark, New Jersey station WNDT to form WNET . In 1973, it merged with Educational Television Stations . Around

12768-406: Was largely funded by satellite provider DirecTV . The original channel ceased operations on September 26, 2005, in favor of PBS Kids Sprout , a commercial digital cable and satellite television channel originally operated as a joint venture between PBS, Comcast , Sesame Workshop and Apax Partners ( NBCUniversal , which Comcast acquired in 2011, later acquired the other partners' interests in

12882-472: Was renamed " PBS America " on July 4, 2012. The channel has subsequently become available in other parts of Europe and Australia. On February 28, 2012, PBS partnered with AOL to launch Makers: Women Who Make America , a digital documentary series focusing on high-achieving women in male-dominated industries such as war, comedy, space, business, Hollywood and politics. PBS initially struggled to compete with online media such as YouTube for market share. In

12996-441: Was renamed ETV Radio in 2003. "ETV" was viewed as a general brand name for both radio and television. In 2015, the radio network was called South Carolina Public Radio . R. Lynn Kalmbach was selected as the network's project director in 1958 and led it until his death in 1965. Henry J. Cauthen became ETV's president and general manager and served in numerous leadership roles developing American public broadcasting, including chair of

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