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2. Utility pole - Wikipedia

   en.wikipedia.org/wiki/Utility_pole

   A pair of shoes can be seen hanging from the wires (center-left, far right) A utility pole, commonly referred to as a transmission pole, telephone pole, telecommunication pole, power pole, hydro pole, telegraph pole, or telegraph post, is a column or post, usually made out of wood or aluminum alloy, [1] used to support overhead power lines and ...

3. Channel Master - Wikipedia

   en.wikipedia.org/wiki/Channel_Master

   After the sale to Avnet, the Channel Master name was used to import and distribute various electronic products, including home and car stereo equipment, turntables, cassette decks, 8-track players, quadraphonic audio, television receivers and scanner radios. In the 1980s, Channel Master was the only second source for General Instrument (GI) 's ...

4. Television antenna - Wikipedia

   en.wikipedia.org/wiki/Television_antenna

   A television antenna, also called a television aerial (in British English), is an antenna specifically designed for use with a television receiver (TV) to receive terrestrial over-the-air (OTA) broadcast television signals from a television station. Terrestrial television is broadcast on frequencies from about 47 to 250 MHz in the very high ...

5. Cable television headend - Wikipedia

   en.wikipedia.org/wiki/Cable_television_headend

   Most digital video signals are compressed to MPEG-2 and MPEG-4 formats in order to combine multiple video streams into a QAM making the most efficient use of spectrum which a customer cable set top box receives, demodulates, de-encrypts and displays as a virtual channel number that the viewer recognizes. In many cases the same TV network may ...

6. Set-top box - Wikipedia

   en.wikipedia.org/wiki/Set-top_box

   A typical modern set-top box, along with its remote control - pictured here a digital terrestrial TV receiver by TEAC. A set-top box (STB), also known as a cable box, receiver, or simply box, and historically television decoder or a converter, [1] is an information appliance device that generally contains a TV tuner input and displays output to a television set, turning the source signal into ...

7. Radio masts and towers - Wikipedia

   en.wikipedia.org/wiki/Radio_masts_and_towers

   A radio mast base showing how virtually all lateral support is provided by the guy-wires. The terms "mast" and "tower" are often used interchangeably. However, in structural engineering terms, a tower is a self-supporting or cantilevered structure, while a mast is held up by stays or guy-wires. [1] A mast.

8. J-pole antenna - Wikipedia

   en.wikipedia.org/wiki/J-pole_antenna

   The J-pole antenna is an end-fed omnidirectional half-wave antenna that is matched to the feedline by a shorted quarter-wave parallel transmission line stub. [5] [1] [6] For a transmitting antenna to operate efficiently, absorbing all the power provided by its feedline, the antenna must be impedance matched to the line; it must have a resistance equal to the feedline's characteristic impedance.

9. TV aerial plug - Wikipedia

   en.wikipedia.org/wiki/TV_aerial_plug

   TV aerial plug. A TV aerial plug is a connector used to connect coaxial cables with each other and with terrestrial VHF/UHF roof antennas, antenna signal amplifiers, CATV distribution equipment, TV sets and FM / DAB-radio receivers. In Europe and Australia the Belling-Lee connector (IEC 61169-2 radio-frequency coaxial connector of type 9,52) is ...