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2. Multicore cable - Wikipedia

   en.wikipedia.org/wiki/Multicore_cable

   Cutaway diagram of a shielded multicore cable with four cores each with three individual conductors. A multicore cable is a type of electrical cable that combines multiple signals or power feeds into a single jacketed cable. [1] The term is normally only used in relation to a cable that has more cores than commonly encountered. [2]

3. Multicable - Wikipedia

   en.wikipedia.org/wiki/Multicable

   In stage lighting, [1] a multicable (otherwise known as multi-core cable or mult) is a type of heavy-duty electrical cable used in theaters to power lights. The basic construction involves a bundle of individual conductors surrounded by a single outer jacket.

4. Antenna array - Wikipedia

   en.wikipedia.org/wiki/Antenna_array

   An antenna array (or array antenna) is a set of multiple connected antennas which work together as a single antenna, to transmit or receive radio waves. [1]: p.149 [2] The individual antennas (called elements) are usually connected to a single receiver or transmitter by feedlines that feed the power to the elements in a specific phase relationship.

5. Reflective array antenna - Wikipedia

   en.wikipedia.org/wiki/Reflective_array_antenna

   In order for the signals to add together, they need to arrive in-phase.Consider two dipole antennas placed in a line end-to-end, or collinear.If the resulting array is pointed directly at the source signal, both dipoles will see the same instantaneous signal, and thus their reception will be in-phase.

6. Television antenna - Wikipedia

   en.wikipedia.org/wiki/Television_antenna

   A short antenna pole next to a house Multiple Yagi TV aerials. Antennas are commonly placed on rooftops and sometimes in attics. Placing an antenna indoors significantly attenuates the level of the available signal. [19] [20] Directional antennas must be pointed at the transmitter they are receiving; in most cases great accuracy is not needed ...

7. Coaxial antenna - Wikipedia

   en.wikipedia.org/wiki/Coaxial_antenna

   In the most basic form, a quarter-wavelength section of coaxial cable is prepared such that the inner and outer conductors are separate but still attached to the remaining cable. The outer (shield) conductor is connected to a quarter-wavelength conducting sleeve into which the cable is inserted, and the inner conductor protrudes vertically ...