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| | Television |
 | | Television signals may, however, be sent clearly from almost any point on earth to any otherand from spacecraft to earthby means of cables, microwave relay stations, and communications satellites. |
 | | Cable television was first developed in the late 1940s to serve shadow areasthat is, areas that are blocked from receiving signals from a station's transmitting antenna. |
 | | Later, however, the growth of color television was delayed because it had to be compatible with monochromethat is, color television would have to use the same channels as monochrome television and be receivable in fl and white on monochrome sets. |
| autocww.colorado.edu /~blackmon/E64ContentFiles/CommunicationsTechnologies/Television.html (5408 words) |
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