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  2. 4DTV - Wikipedia

    en.wikipedia.org/wiki/4DTV

    4DTV is a proprietary broadcasting standard and technology for digital cable broadcasting and C-band/Ku-band satellite dishes from Motorola, using General Instrument's DigiCipher II for encryption. It can tune in both analog VideoCipher II and digital DCII satellite channels.

  3. Television receive-only - Wikipedia

    en.wikipedia.org/wiki/Television_receive-only

    [citation needed] As of 2009, there are 23 C-band satellites and 38 K u /K a band satellites. [17] There were over 150 channels for people who want to receive subscription channels on a C-band dish via Motorola's 4DTV equipment via two vendors Satellite Receivers Ltd (SRL) and Skyvision Archived January 13, 2011, at the Wayback Machine. The ...

  4. C band (IEEE) - Wikipedia

    en.wikipedia.org/wiki/C_band_(IEEE)

    In response to a Notice of Proposed Rulemaking of July 2018 from the US Federal Communications Commission (FCC) to make the 3.7 to 4.2 GHz spectrum available for next-generation terrestrial fixed and mobile broadband services, [5] the C-Band Alliance (CBA) was established in September 2018 by the four satellite operators—Intelsat, SES ...

  5. Satellite television - Wikipedia

    en.wikipedia.org/wiki/Satellite_television

    Typical transponders each have a bandwidth between 27 and 50 MHz. Each geostationary C-band satellite needs to be spaced 2° longitude from the next satellite to avoid interference; for K u the spacing can be 1°. This means that there is an upper limit of 360/2 = 180 geostationary C-band satellites or 360/1 = 360 geostationary K u-band satellites.

  6. Satellite television in the United States - Wikipedia

    en.wikipedia.org/wiki/Satellite_television_in...

    In November 1990, Primestar launched as the first North American direct-broadcast satellite service. Hughes's DirecTV, the first national high-powered upper K u-band satellite TV system, went online in 1994. The DirecTV system became the new delivery vehicle for USSB.

  7. List of satellites in geosynchronous orbit - Wikipedia

    en.wikipedia.org/wiki/List_of_satellites_in...

    Hybrid C/K u-band satellite 2008-11-19 121.0°W: Galaxy-23: FS-1300: United States Intelsat: Direct Broadcasting North America: 7 August 2003: Hybrid C/K u /K a-band satellite; C band payload referred to as Galaxy-23 2008-11-26 EchoStar-9: FS-1300: United States Echostar/DISH Network: Direct Broadcasting North America: 7 August 2003

  8. Digital television in the United States - Wikipedia

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

    In November 2017, the FCC approved ATSC 3.0 (Next Gen TV), an updated version of the ATSC standards that supports High Efficiency Video Coding (HEVC), video resolutions of up to 4K ultra high-definition (4K UHD), 120 Hz frame rate, high-dynamic-range (HDR) color, datacasting, and mobile television. Unlike the original digital transition, ATSC 3 ...

  9. List of free-to-air channels at Astra 28.2°E (Ireland and the ...

    en.wikipedia.org/wiki/List_of_free-to-air...

    mta-Muslim-TV : Ahmadiyya Muslim Community: 24 hours Arabic, Bengali, English, French, German, Hausa, Indonesian, Malayalam, Swahili, Tamil, Turkish: 11265 V 27500 2/3 736 Manual tuning: New Vision TV New Vision TV Ltd 24 hours Swahili: 11112 H 22000 5/6 739 Manual tuning: I Love Pen India Ltd 24 hours 4:3 11553 H 22000 5/6 735 Manual tuning