Radio and Television
An accessible introduction to radio and television, this book explores: radio waves; satellite television; closed circuit television; digital versatile discs; digital broadcasting; remote monitoring electronic bugs; radio signals in space and much more.
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Q Radio waves
Q Closed circuit television
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aerials aircraft analogue wave animals astronauts Astronomers audio bounce BT Tower called carrier wave carry cathode ray tube CCTV centimetres channel computer data detector developed digital broadcasting digital television DIGITAL VERSATILE DISK dishes display Earth electromagnetic electronics fibre optic cables field emission display film frequency gigabytes Global Positioning System ground Guglielmo Marconi hertz History links invented John Logie Baird kilometres laser disk launched layers light Link-ups microwave millimetre modulation monitor neural orbit phosphors pick pilot plane RADAR BULLETS radio and television radio broadcasts Radio collars radio communications radio energy radio microphone radio programmes radio signals radio telescopes radio transmitters radio waves receiver recording relay robot sending sensors SmartEAS solar panels space speed station tags Telemetry telephone television broadcasting television picture television programmes television satellite television screen television sets tiny track transmitted transponder TV set video cameras video tape wavelength