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antenna
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ASR-9 airport surveillance radar telecommunication antennas The satellite's solar panels are arrays of solar cells that provide the electrical energy needed for its functions, the power being stored in batteries. Its antennas may be 8 ft (2.5 m) in diameter and may transmit wide-area-of-coverage beams or narrowly focused “spot” beams. radar antennas Figure 12: Block diagram of monochrome television transmitter.
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ASR-9 airport surveillance radar
telecommunication antennas
The satellite's solar panels are arrays of solar cells that provide the electrical energy needed for its functions, the power being stored in batteries. Its antennas may be 8 ft (2.5 m) in diameter and may transmit wide-area-of-coverage beams or narrowly focused “spot” beams.
radar antennas
Figure 12: Block diagram of monochrome television transmitter.
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Key People

Guglielmo Marconi
Guglielmo Marconi
Italian physicist
Alexander Meissner
Austrian engineer
George Harold Brown
American engineer