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| Q. |
For long distance communication, which of the property is mainly necessary for the antenna? |
| A. | high directivity |
| B. | low directivity |
| C. | low gain |
| D. | broad beam width |
| Answer» A. high directivity | |
| Explanation: long distance communication requires antenna with high directivity. to increase the directivity antenna arrays are used. with the antenna arrays, directivity and gain increases and beam width decreases. | |
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Antennas and Microwave Engineering