A satellite dish is a device that uses radio waves to receive or transmit information to or from a communication satellite. Its shape resembles a dish with a parabolic antenna which uses the parabolic shape to reflect the signal to the dish’s focal point. A satellite dish is most commonly used by consumers to receive direct-broadcast satellite television. Before direct broadcast satellite services, a motorized C-band dish was used for reception of channels from different satellites. The term satellite dish was coined in 1978 amidst the satellite television industry. The most common types of satellite dishes are motor-driven dish, multi-satellite, and VSAT (very small aperture terminal).
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