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  2. Digital Satellite Service - Wikipedia

    en.wikipedia.org/wiki/Digital_Satellite_Service

    Digital Satellite System is the initialism expansion of the DSS digital satellite television transmission system used by DirecTV. Only when digital transmission was introduced did direct broadcast satellite (DBS) television become popular in North America , which has led to both DBS and DSS being used interchangeably to refer to all three ...

  3. List of ATSC standards - Wikipedia

    en.wikipedia.org/wiki/List_of_ATSC_standards

    A/97: "Software Data Download Service" (used by UpdateTV for upgrades and software patches in ATSC tuners) A/98: "System Renewability Message Transport" A/99: "Carriage Of Legacy TV Data Services" (for former analog supplemental services that used the vertical blanking interval lines, such as closed captioning and teletext)

  4. ATSC standards - Wikipedia

    en.wikipedia.org/wiki/ATSC_standards

    Advanced Television Systems Committee (ATSC) standards are an international set of standards for broadcast and digital television transmission over terrestrial, cable and satellite networks. It is largely a replacement for the analog NTSC standard — like that standard — is used mostly in the United States , Mexico , Canada , South Korea ...

  5. Satellite Internet access - Wikipedia

    en.wikipedia.org/wiki/Satellite_Internet_access

    How satellite internet works. Satellite Internet generally relies on three primary components: a satellite – historically in geostationary orbit (or GEO) but now increasingly in Low Earth orbit (LEO) or Medium Earth orbit MEO) [20] – a number of ground stations known as gateways that relay Internet data to and from the satellite via radio waves (), and further ground stations to serve each ...

  6. United States Space Surveillance Network - Wikipedia

    en.wikipedia.org/wiki/United_States_Space...

    The Baker-Nunn system, like Minitrack, provided little real-time data and was additionally limited to night-time, clear weather operations. [4] Beyond the problems in acquiring data on satellites, it became obvious that the US tracking network would soon be overwhelmed by the tremendous number of satellites that followed Sputnik and Vanguard.

  7. Satellite television - Wikipedia

    en.wikipedia.org/wiki/Satellite_television

    A number of satellite dishes. Satellite television is a service that delivers television programming to viewers by relaying it from a communications satellite orbiting the Earth directly to the viewer's location. [1] The signals are received via an outdoor parabolic antenna commonly referred to as a satellite dish and a low-noise block ...

  8. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Digital television in the United States - Wikipedia

    en.wikipedia.org/wiki/Digital_television_in_the...

    Digital television in the United States is available via digital terrestrial television (DTT), digital cable, satellite television, and IPTV providers (including those delivered over private networks, and those delivered as over-the-top streaming television services over the public internet).