Horn (telescope)
Encyclopedia
A horn is a stationary radio telescope
Radio telescope
A radio telescope is a form of directional radio antenna used in radio astronomy. The same types of antennas are also used in tracking and collecting data from satellites and space probes...

. Horns were originally built to observe specific objects in the sky, and preceded the more commonly known movable dishes used today.

See also

  • Feed horn
    Feed horn
    In satellite dish and antenna design, a feedhorn is a small horn antenna used to convey radio waves between the transmitter and/or receiver and the reflector, particularly in parabolic antennas...

  • Horn (telecommunications)
    Horn (telecommunications)
    A horn antenna or microwave horn is an antenna that consists of a flaring metal waveguide shaped like a horn to direct the radio waves. Horns are widely used as antennas at UHF and microwave frequencies, above 300 MHz...

  • Holmdel Horn Antenna, Bell Labs
    Bell Labs
    Bell Laboratories is the research and development subsidiary of the French-owned Alcatel-Lucent and previously of the American Telephone & Telegraph Company , half-owned through its Western Electric manufacturing subsidiary.Bell Laboratories operates its...

    , Holmdel, NJ
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