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Topic: North American cable television frequencies


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  North American cable television frequencies - Wikipedia, the free encyclopedia
These channels are used for sending video back to the cable television headend, such as by public-access television stations on a cable tv system.
Cable channels 2 through 13 operate on the same frequencies as broadcast television (the VHF band).
Digital cable channels are often numbered starting at 100 or 200, but these are virtual channel numbers and do not correspond to particular frequencies.
en.wikipedia.org /wiki/North_American_cable_television_frequencies   (153 words)

  
 North American broadcast television frequencies - Wikipedia, the free encyclopedia
In North America, terrestrial television is broadcast on designated channels numbered 2 through 69.
Traditionally, the frequencies are divided into two sections, the very high frequency (VHF) band and the ultra high frequency (UHF) band, but in reality, the VHF band is further subdivided into two more sections, VHF-Lo (band I) and VHF-Hi (band III).
Channels 14 through 19 are used for two-way radio in major cities, intended for use on a non-interference basis, although the transition to digital television (DTV) has caused problems in certain instances when a previously unused channel has begun to be used for DTV broadcasts.
en.wikipedia.org /wiki/North_American_broadcast_television_frequencies   (753 words)

  
 city_clerk   (Site not responding. Last check: 2007-09-07)
Cable with a central copper strand for transmitting electrical signals, surrounded by a concentric air or insulation core, and enclosed by an outer (electrically shielding) concentric metal fiber, either braided or solid.
The control center of a cable television system, where incoming signals are amplified, converted, processed and combined into a common cable along with any original cablecasting, for transmission to subscribers.
Cable systems that have the technical ability to let subscribers communicate directly with a computer at the system headend from their television sets, using special converters and the regular cable lines.
www.oaklandnet.com /government/city_clerk/cable-info/glossary.html   (1388 words)

  
 North American Cable Equipment Inc.
The measurement of a position on the surface of the earth north or south of the equator measured in degrees of angle.
Cable television channels A through I that lie between VHS channels 6 and 7.
The interleaving of the luminance and chrominance signals is one form of multiplexing, known as frequency multiplexing.
www.northamericancable.com /glossaries/glossary2.asp   (5566 words)

  
 The Cable Center
The cable was not coaxial, the cable used was multi-pair, generally what we called a quad cable, which was two pairs in quad formation, in star formation, and the pair would be formed by the two opposite wires in each pair.
Cable television, as we know it now, of course, distributes the broadcast programs at broadcast frequencies, or at least at VHF frequencies, to standard television sets, using the standard television tuner, and as long as you keep within the confines of the channels available, that was fine.
Cable is converging now, as you know, with the introduction of digital transmission, and fiber optics, cable, and data, and audio, and every other form of communications just follows the same lines, uses the same plant, and indeed, is indistinguishable.
www.cablecenter.org /education/library/oralHistoryDetails.cfm?id=85   (7110 words)

  
 Cable television headend - TheBestLinks.com - Head end, Frequency, Internet, Microwave, ...
Cable television headend is a master facility for receiving television signals for processing and distribution over a cable television system.
The cable TV headend will normally have several large, television receive-only satellite television dishes for reception of cable/satellite TV networks such as ESPN, CNN, or HBO (examples); a dedicated, non-movable dish is required for each satellite that the cable TV utility wishes to receive cable channels off of for distribution over its system.
Once received, cable television signals are often pre-amplified and then mixed into the cable system's channel numbering scheme using a frequency multiplexer.
www.thebestlinks.com /Head_end.html   (424 words)

  
 Wireless Cable TV FAQ
Availability: Wireless Cable can be made available in areas of scattered population and other areas where it is too expensive to build a traditional cable station.
Cable companies can take you to court (Title 47 Section 705) for 'Use of information not specifically directed to you'." This means that you may view any unscrambled/unmodified signals with your own receiver.
American Microtel (also affiliated with Stork and Codima) has reached a settlement pertaining to a restraining order that was placed against them.
www.faqs.org /faqs/wireless-cable   (3345 words)

  
 ATV SYSTEM RECOMMENDATION
The Advisory Committee on Advanced Television Service was empaneled by the Federal Communications Commission in 1987 to develop information that would assist the FCC in establishing an advanced television ("ATV") standard for the United States {Note 1}.
In the late 1930's, as television was nearing the point of commercialization, the members of the FCC insisted that the standards for television, as well as for other services, be set only when the industry was in substantial agreement on the form the standards should take.
Cable Television Laboratories, Inc. (also see Glossary) is a research and development consortium of cable television system operators representing more than 85% of the cable subscribers in the United States and 60% of Canadian cable subscribers.
www.atsc.org /news_information/papers/1993_atv_report/index_atvrpt.html   (18638 words)

  
 DOCSIS™ Cable Modem Technology
In the last 10 years, an architecture known as hybrid fiber coax is typically used, where fiber cables, in a star arrangement, carry the cable signal to pockets of homes (between 100 and 2000), and coax carries the signal the rest of the way to the home.
Within that passband, NTSC analog television signals in 6-MHz channels are assumed to be present on either of the standard, HRC, or IRC frequency plans (EIA Interim Standard IS-6) as well as other narrowband and wideband digital signals.
Cable networks are special due to the potential of the return path being shared by many users.
www.comsoc.org /ci1/private/2001/mar/fellows.html   (6330 words)

  
 1997 Zona Latina Book Reviews   (Site not responding. Last check: 2007-09-07)
As television broadcast frequencies are limited resources ostensibly owned by the public, the granting of operating licenses by the government is influenced by many political and economic considerations.
Television in the Marketplace of Ideas --- The News: Television is also the principal source of news and information for the population.
In either form, the Latin American telenovela is able to tap into the collective psyche of the populace, and in fact allowed what was originally daytime soap opera to move into prime time television, displacing US imports and other forms of entertainment in the process.
www.zonalatina.com /Zlbook97.htm   (8536 words)

  
 North American MPEG-2 Information
Given a 125 channel cable system, this means that they will be able to carry 625 video and audio programs assuming compression levels where five video services are sent on a single RF channel.
The only service known in North America to be using statmux at this time is DISH Network, where it has made a huge difference to the quality of the video and at the same time allowed all the transponders FEC to be backed down to 3/4, therefore improving rain fade performance.
Another North American use for ADXes is if you use a wide band LNB for Ku-Band that has a standard LO of 10.75GHz, but an output range of 950-2100 MHz.
www.coolstf.com /mpeg   (13509 words)

  
 Chronology of Communication Events: Part 2
The television audience increases by 4,000 percent this year, due to a jump in the number of cities with television stations and to the fact that one million homes in the U.S. now have television sets.
Cable TV begins in the U.S., and warnings begin to be issued on the impact of violent programming on children.
A study indicates that the average American child during this decade will have spent 10,800 hours in school by the time he or she is 18, but will have seen an average 20,000 hours of television.
people.deas.harvard.edu /~jones/history/comm_chron2.html   (16951 words)

  
 Scanning Reference
The railroads of North America are assigned a group of 97 frequencies in the VHF band.
These frequencies are in the range of 160.110 megahertz to 161.565 megahertz, in 15 kilohertz increments.
The frequency assignment within this frequency range is managed by the Association of American Railroads (AAR), which is an industry association composed of the various railroads of the United States and Canada.
www.panix.com /clay/scanning/freq-lists.html   (576 words)

  
 Paleosiberian languages   (Site not responding. Last check: 2007-09-07)
Unsuccessful attempts have made to relate it to Sino-Tibetan and North Caucasian groups.
Nivkh is spoken in the lower Amur basin and on the northern half Sakhalin island.
Hare, Shikon jewel, Ogress, Subject, verb, object, Yoshihito of Japan, Woodcock, Baseball strike, Yip Kai Koon, Aspirate, Secretary-General of United Nations, Curlew, Shanks, Extraterrestrial intelligence, Learning theory (statistics), Learning theory, North American cable television frequencies, Paleosiberian languages, Projective geometry, Calidrid, William Hickling Prescott, Alvin York, W.
www.freeglossary.com /Palaeosiberian   (479 words)

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