Diginets - Digital subchannel - Over the air FREE TV

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In broadcasting, digital subchannels are a method of transmitting more than one independent program stream simultaneously from the same digital radio or television station on the same radio frequency channel. This is done by using data compression techniques to reduce the size of each individual program stream, and multiplexing to combine them into a single signal. The practice is sometimes called "multicasting".
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The ATSC digital television standard used in the United States supports multiple program streams over-the-air, allowing television stations to transmit one or more subchannels over a single digital signal. A virtual channel numbering scheme distinguishes broadcast subchannels by appending the television channel number with a period digit (".xx"). Simultaneously, the suffix indicates that a television station offers additional programming streams. By convention, the suffix position ".1" is normally used to refer to the station's main digital channel and the ".0" position is reserved for analog channels. For example, most of the owned-and-operated stations/affiliates of Ion Television transmit six streams in the following format:

Canada
Although digital television services in Canada use the same ATSC technology as the United States, none of the stations currently broadcasting a digital signal transmit any subchannel other than a possible HD service or a standard definition simulcast of the main channel. Unlike the FCC in the United States, the body that governs Canadian broadcasting licenses, the Canadian Radio-television and Telecommunications Commission (CRTC), requires stations to file license amendments in order to be considered for permission to carry digital subchannels (this differs from the Commission's rules for premium cable television services, which allow the addition of multiplex channels consistent with the service's license requirements without the need to amend the license). On August 17, 2012, the CRTC gave approval to Leamington, Ontario community station CFTV-TV to broadcast four local subchannels on its digital signal, making it the first station in Canada to launch original content on its multiplex channels.

List of United States terrestrial television networks
NBC, CBS, ABC, Fox, The Cw
World
PBS Kids
PBS
Nonprofit/cooperative
NHK World
Minnesota Channel
MiND (MiND: Media Independence)
MHz WorldView / MHz Networks
France 24
FNX (First Nations Experience)
DW-TV (Deutsche Welle)
Create 2006
Classic Arts Showcase

MyNetworkTV
MeTV Classic TV series
Antenna TV Classic TV series and movies
Escape Suspense/drama/women's interest
Grit Action/westerns/men's Interest
Laff Comedy
This TV Movies and TV shows
Bounce TV African-American programming
Ion Television Commercial/syndication service
Comet Science Fiction
GetTV Classic movies & shows
qubo Commercial (Children's)
Heroes & Icons Classic TV series and films
Decades Classic TV & films/Historical documentaries
Movies! Feature films
Cozi TV Classic TV series/movies/lifestyle
Quest Adventure programming
TBD
Start TV Female lead Procedural dramas
Buzzr Game shows
Charge! Action series and movies
Retro TV Commercial, reruns
Light TV
The Country Network
AMGTV
Soul of the South Network
Heartland Country music/lifestyle
The Family Channel

Ion Life Health/lifestyle;
Justice Network True Crime/Investigation
Rev'n Automotive
Live Well Network
TBD Talk/lifestyle
The Action Channel Men's Interest
Biz Television Business and financial information
WeatherNation TV
Stadium Sports
Newsmax TV News/Documentaries Conservative Talk
Tuff TV Male interest programming
AccuWeather Channel
Youtoo America (formerly America One)
Untamed Sports TV
DrTV Health/lifestyle
Frost Great Outdoors
Pursuit Channel Sports and recreation
NewsNet

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