- published: 01 Dec 2012
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A television channel is a physical or virtual channel over which a television station or television network is distributed. For example, in North America, "channel 2" refers to the broadcast or cable band of 54 to 60 MHz, with carrier frequencies of 55.25 MHz for NTSC analog video (VSB) and 59.75 MHz for analog audio (FM), or 55.31 MHz for digital ATSC (8VSB). Channels may be shared by many different television stations or cable-distributed channels depending on the location and service provider.
Depending on the multinational bandplan for a given region, analog television channels are typically 6, 7, or 8 MHz in bandwidth, and therefore television channel frequencies vary as well. Channel numbering is also different. Digital television channels are the same for legacy reasons, however through multiplexing, each physical radio frequency (RF) channel can carry several digital subchannels. On satellites, each transponder normally carries one channel, however small, independent channels can be used on each transponder, with some loss of bandwidth due to the need for guard bands between unrelated transmissions. ISDB, used in Japan and Brazil, has a similar segmented mode.
Channel, channels, and similar terms may refer to:
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H2 STL Courtside Live! - Open Level Jr Girls Voll - Captured Live on Ustream at http://www.ustream.tv/channel/h2-courtside---open-jr-volleyball with the Ustream Mobile App
This was taken from a mini-doc on the History Channel's H2 Network titled "Who Really Discovered America?" It was a good production with many of the known pre-Columbus "discoveries" of the Americas, and others that are not as well known. This little sequence captures a rather cryptic phrase by a Stanford University professor comparing Flat Earth beliefs to those who thought it impossible for the Polynesians to "discover" South America by way of dugout tree canoes. The ironic thing is that Polynesian explorers DID voyage to and establish settlements upon South American soil with Easter Island being one of their most famous locations. So to have a belief in the Flat Earth is not too far out there as many assume. For the record: I personally detest Christopher Columbus and his raping, m...
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The History channel aliens guy has a new show coming out called "In Search of Aliens on H2!" Giorgio A. Tsoukalos is his name and Aliens are his game. The first episode aired July 25th at 10pm, I missed it, but I'll definitely watch it on-demand tonight. I watch just about anything on aliens and UFOs, just to see if there's anything new to learn. Giorgio A. Tsoukalos is a bit out there with his theories and lack of evidence, but I still have an open mind to the ancient astronaut theory. I believe at one point extraterrestrials may have messed around with our gene pool at one time or another on this planet. After watching my video, you'll learn that Tsoukalos has his share of enemies. An arch nemesis of his is a skeptic named Jason Colavito. While I support some of the skepticism expressed ...
Karen Boksian was a guest on "Good morning Armenia", channel H2 Armenia.
Akvo's Mark Charmer explains how to send a video clip from your iPhone (running iOS7) to Akvo.tv's YouTube channel. Filmed by Linda Leunissen in Bermondsey, London on 9 January 2014.
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.History Channel The Universe Search for E T 1080p Space Documentary (New update) The Universe is an American documentary television series that features computer-generated imagery and computer graphics of astronomical objects in the universe plus interviews with experts who study in the fields of cosmology, astronomy, and astrophysics. The program is produced by Flight 33 Productions and Workaholic Productions. The series premiered on May 29, 2007, on The History Channel and four subsequent seasons were aired until 2010. Starting from October 25, 2011, new episodes began airing exclusively on H2
History Channel - Bunker: World's Largest and Most Secret - History Documentary Films 2016 =============================================================== Thanks for watching! Please like, subscribe, and comment what you think about this video. =============================================================== Welcome To My Channel about Documentary History Channel. Watch History Channel Documentaries TV Show Free Online, Full History Channel Documentaries Episodes Streaming on youtube. Bunker: World's Largest and Most Secret - History Documentary Films Bunkers are primarily underground, compared to blockhouses which are mostly above ground. Bunkers can additionally be used as security from twisters. Common commercial bunkers include extracting websites, food storage space locations, dispo...
.History Channel The Universe Alien Moons 1080p Space -Full Documentary (New update 2015) The Universe is an American documentary television series that features computer-generated imagery and computer graphics of astronomical objects in the universe plus interviews with experts who study in the fields of cosmology, astronomy, and astrophysics. The program is produced by Flight 33 Productions and Workaholic Productions. The series premiered on May 29, 2007, on The History Channel and four subsequent seasons were aired until 2010. Starting from October 25, 2011, new episodes began airing exclusively on H2
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UFO & Aliens Physical Evidence of UFOs History Channel Documentary SUBSCRIBE TO THE REACT CHANNEL: http://goo.gl/VQhyMj Watch all episodes of Discovery Life http://goo.gl/4WRVcy Follow me on twitter and Facebook! ► Facecook http://goo.gl/gjntLg ► https://twitter.com/DiscoverOfLife Thank you for watching , Please be polite comment, share, and like ==============+==============+==============+====================+================= Tags: Geography (Field Of Study),Documentary (TV Genre),United Kingdom (Country),National,Anthem,Fire,Hendrix,Ufo,Banner,Unidentified Flying Object (Film Subject),Jimi Hendrix,Film (Film),Space,Alien,Aliens,Emblem,Star,Purple,UFO (Musical Group),Voodoo,Fire Emblem,Fire (Musical Group),Star (Composition),Geographic,Wing,Little,Experience,Sings,Hey,Moon
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.History Channel The Universe Alien Planets 1080p Space Documentary (New update 2015) The Universe is an American documentary television series that features computer-generated imagery and computer graphics of astronomical objects in the universe plus interviews with experts who study in the fields of cosmology, astronomy, and astrophysics. The program is produced by Flight 33 Productions and Workaholic Productions. The series premiered on May 29, 2007, on The History Channel and four subsequent seasons were aired until 2010. Starting from October 25, 2011, new episodes began airing exclusively on H2