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  2. Broadcast television systems - Wikipedia

    en.wikipedia.org/wiki/Broadcast_television_systems

    Analog television system by nation Analog color television encoding standards by nation. Every analog television system bar one began as a black-and-white system. Each country, faced with local political, technical, and economic issues, adopted a color television standard which was grafted onto an existing monochrome system such as CCIR System M, using gaps in the video spectrum (explained ...

  3. NTSC - Wikipedia

    en.wikipedia.org/wiki/NTSC

    For a color TV to recover hue information from the color subcarrier, it must have a zero-phase reference to replace the previously suppressed carrier. The NTSC signal includes a short sample of this reference signal, known as the colorburst, located on the back porch of each horizontal synchronization pulse. The color burst consists of a ...

  4. KSBW - Wikipedia

    en.wikipedia.org/wiki/KSBW

    KSBW (channel 8) is a television station licensed to Salinas, California, United States, serving the Monterey Bay area as an affiliate of NBC and ABC.Owned by Hearst Television, the station has studios on John Street in downtown Salinas, and its transmitter is located on Fremont Peak in the Gabilan Mountains.

  5. Cell site - Wikipedia

    en.wikipedia.org/wiki/Cell_site

    Cellular lattice tower A cell tower in Peristeri, Greece. A cell site, cell phone tower, cell base tower, or cellular base station is a cellular-enabled mobile device site where antennas and electronic communications equipment are placed (typically on a radio mast, tower, or other raised structure) to create a cell, or adjacent cells, in a cellular network.

  6. Rádio e Televisão de Portugal - Wikipedia

    en.wikipedia.org/wiki/Rádio_e_Televisão_de...

    But the pressure kept going as the black and white equipment was getting old and very hard to repair, so in 1978 and 1979, a massive investment into colour broadcasts, supported by a foreign loan, gave RTP the opportunity to replace all the B/W to increase the current amount of equipment and to be updated with the most advanced broadcast ...

  7. Network topology - Wikipedia

    en.wikipedia.org/wiki/Network_topology

    Network topology is the arrangement of the elements (links, nodes, etc.) of a communication network. [1] [2] Network topology can be used to define or describe the arrangement of various types of telecommunication networks, including command and control radio networks, [3] industrial fieldbusses and computer networks.

  8. Orthogonal frequency-division multiplexing - Wikipedia

    en.wikipedia.org/wiki/Orthogonal_frequency...

    OFDM has become an interesting technique for power line communications (PLC). In this area of research, a wavelet transform is introduced to replace the DFT as the method of creating orthogonal frequencies. This is due to the advantages wavelets offer, which are particularly useful on noisy power lines. [57]

  9. Extension cord - Wikipedia

    en.wikipedia.org/wiki/Extension_cord

    Yellow NEMA 5-15 extension cord NEMA-1 extension cord, common in the United States Extension cord reel (Germany). An extension cord (US), extension cable, power extender, drop cord, or extension lead (UK) is a length of flexible electrical power cable (flex) with a plug on one end and one or more sockets on the other end (usually of the same type as the plug).

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