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Aerials mounted on the rooftops of houses in England. Aerials are attached to roofs in various ways, usually on a pole to elevate it above the roof. This is generally sufficient in most areas. In some places, however, such as a deep valley or near taller structures, the antenna may need to be placed significantly higher, using a guyed mast or mast.
On 4 March 1996, EchoStar introduced Digital Sky Highway (Dish Network). [9] This was the first widely used direct-broadcast satellite television system and allowed dishes as small as 20 inches (51 cm) to be used. This great decrease of dish size also allowed satellite dishes to be installed on vehicles. [10] Dishes this size are still in use ...
Several TV stations are using or have used a temporary channel to send their DTV signals and, upon terminating analog transmission, move their digital transmission either back to their old analog channel, or to a third channel (sometimes the former analog of another local station), chosen in the digital channel election in the U.S. This ...
OTA antennas are digital receivers that pick up signals broadcast by local TV towers, allowing you to watch local programming without cable. These antennas cost anywhere from $15 to $50.
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
The largest concentration of free-to-air programming is on Galaxy 19 at 97° W. Pittsburgh International Telecommunications and GlobeCast World TV offers a mix of free and pay-TV ethnic channels in the internationally standard DVB-S and S2 formats, as do others.
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