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Indoor antennas are a common solution for cord cutting, with a variety of commercial options. [1] They are usually considered a simple and cheap solution that may work well when the receiver is relatively near to the broadcasting transmitter and the building walls do not shield the radio waves too much. [citation needed]
Indoor antennas are designed to be located on top of or next to the television set, but are ideally placed near a window in a room and as high up as possible for the best reception. [1] The most common types of indoor antennas are the dipole [2] ("rabbit ears"), which work best for VHF channels, and loop antennas, which work best for UHF. [3]
Traveling wave antennas are notably one of the few types of antennas that are normally not self resonant: Electrical waves induced by received radio waves travel through the antenna wire in the direction that the arriving RF signals are travelling. Only electrical waves traveling toward the feedpoint are collected; waves traveling away from the ...
At this point, it’s old news that cable has become all but obsolete in the age of streaming. With the dominance of streamers such as Hulu, Disney+ and Max, many people have dumped their ...
In 2015, an anechoic chamber on the campus of Microsoft broke the world record with a measurement of −20.6 dBA. [3] The human ear can typically detect sounds above 0 dBA, so a human in such a chamber would perceive the surroundings as devoid of sound. Anecdotally, some people may not like such silence and can become disoriented. [2]
Crystal radios can receive such weak signals without using amplification only due to the great sensitivity of human hearing, [3] [48] which can detect sounds with an intensity of only 10 −16 W/cm 2. [49] Therefore, crystal receivers have to be designed to convert the energy from the radio waves into sound waves as efficiently as possible.
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