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2. Television interference - Wikipedia

   en.wikipedia.org/wiki/Television_interference

   Some multipath reception is momentary due to road vehicles or aircraft passing; other multipath problems may persist due to reflection off tall buildings or other landscape features. Strong multipath can cause the analog picture to "tear" or momentarily lose synchronization, causing it to roll or flip.

3. 4G-LTE filter - Wikipedia

   en.wikipedia.org/wiki/4G-LTE_filter

   Thus, the frequency band dedicated to TV became between 470 MHz and 700 MHz (channels 14-52), whilst 4G LTE uses the frequency bands between 700 and 900 MHz (former TV channels 52 to 83), resulting in an interval separating the two bands (DTT and 4G) of about 1 MHz, so that there is a risk of interference [1] in the areas close to the 4G-LTE ...

4. Short-term Analog Flash and Emergency Readiness Act

   en.wikipedia.org/wiki/Short-term_Analog_Flash...

   WJLA ended their extended service shortly after the nightlight period, while the special dispensation by CBS for WDJT to air the network on their station ended on December 31, 2009, at which time it began to transmit MeTV station WBME-TV's main signal until Weigel's low-power analog signals in Milwaukee were turned off at the beginning of 2013.

5. Digital television transition in the United States - Wikipedia

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

   12 June 2009 - final hours of analog broadcast on WWL-TV gave information about websites and telephone numbers for more information about transition.. The digital television transition in the United States was the switchover from analog to exclusively digital broadcasting of terrestrial television programming.

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7. 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 ...

8. Analog television - Wikipedia

   en.wikipedia.org/wiki/Analog_television

   Signal reception is invariably done via a superheterodyne receiver: the first stage is a tuner which selects a television channel and frequency-shifts it to a fixed intermediate frequency (IF). The signal amplifier performs amplification to the IF stages from the microvolt range to fractions of a volt.

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