| 21. | This caused the collapse of the tower and destroyed the directional antenna system.
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| 22. | A directional antenna system is used during the station's nighttime hours.
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| 23. | Applications of the hybrid include monopulse comparators, modulators, and phased array radar antenna systems.
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| 24. | The station is reportedly off the air with antenna systems dismantled in October, 2012.
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| 25. | A smaller antenna system was built but was less efficient.
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| 26. | More than 30, 000 60 cm antenna systems were sold in the early 1980s.
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| 27. | Thermal radiation enters the instrument through a three-mirror antenna system.
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| 28. | This is an antenna system that you can walk to it and touch it.
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| 29. | Patented in 2004, one phased array antenna system is useful in automotive radar applications.
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| 30. | Distributed antenna systems may be placed inside buildings for increasing wireless signals within buildings.
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