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  2. Solar Dynamics Observatory - Wikipedia

    en.wikipedia.org/wiki/Solar_Dynamics_Observatory

    The Solar Dynamics Observatory (SDO) is a NASA mission which has been observing the Sun since 2010. [4] Launched on 11 February 2010, the observatory is part of the Living With a Star (LWS) program. [ 5 ]

  3. Digital television in the United States - Wikipedia

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

    The five main ATSC formats of DTV currently [when?] broadcast in the U.S. are: . Standard definition—480i, to maintain compatibility with existing NTSC sets when a digital television broadcast is converted back to an analog one [citation needed] —either by a converter box or a cable/satellite operator's proprietary equipment

  4. Digital television transition in the United States - Wikipedia

    en.wikipedia.org/wiki/Digital_television...

    Over 480 stations were broadcasting digitally on the VHF spectrum after the transition, up from only 216 on the frequencies before. Many antennas marketed for digital TV are designed for UHF, which most digital stations use. VHF analog signals travel further than UHF signals, but watchable VHF digital signals appear to have a more limited range ...

  5. The 7 Best HDTV Antenna Amplifiers of 2023 For a Better Signal

    www.aol.com/lifestyle/best-high-definition-tv...

    8-Port TV Distribution Amplifier. For households with multiple TVs, the Antennas Direct 8-Port TV Distribution Amplifier can split a signal with no noticeable impact on signal quality.

  6. Smart antenna - Wikipedia

    en.wikipedia.org/wiki/Smart_antenna

    Smart antennas (also known as adaptive array antennas, digital antenna arrays, multiple antennas and, recently, MIMO) are antenna arrays with smart signal processing algorithms used to identify spatial signal signatures such as the direction of arrival (DOA) of the signal, and use them to calculate beamforming vectors which are used to track and locate the antenna beam on the mobile/target.

  7. Digital television transition - Wikipedia

    en.wikipedia.org/wiki/Digital_television_transition

    The digital television transition, also called the digital switchover (DSO), the analogue switch/sign-off (ASO), the digital migration, or the analogue shutdown, is the process in which older analogue television broadcasting technology is converted to and replaced by digital television.

  8. Cut the Cord! The 9 Best TV Antennas Let You Enjoy Free TV ...

    www.aol.com/lifestyle/cut-cord-9-best-tv...

    Buy: U MUST HAVE Amplified HD Digital TV Antenna $28.90 (orig. $39.00) 26% OFF . 5. PBD Outdoor Digital Amplified HDTV Antenna BEST MOTORIZED. The PBD Outdoor Digital Amplified HDTV Antenna ...

  9. The best TV antennas of 2022: Tested and rated - AOL

    www.aol.com/news/best-tv-antennas-2022-tested...

    The best TV antennas deliver shows, sports, news and movies, with no monthly bills. Here are the best HDTV antennas on the market. The best TV antennas of 2022: Tested and rated

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