In most cities today, cable television providers deliver signals over coaxial or fiber-optic cables for a fee
Signals can also be delivered by radio from satellites in geosynchronous orbit and received by parabolic dish antennas, which are comparatively large for analog signals, but much smaller for digital.
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Date: 2007-12-04 02:35 am (UTC)Signals can also be delivered by radio from satellites in geosynchronous orbit and received by parabolic dish antennas, which are comparatively large for analog signals, but much smaller for digital.