Automobiles are tested at a test range. The receiving site is 5 km away from the end of the range, so that a 40° angle of coverage will pickup signal anywhere on the range. The transmitter can deliver as much power as is needed. What type of antenna shou

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Automobiles are tested at a test range. The receiving site is 5 km away from the end of the range, so that a 40° angle of coverage will pickup  signal anywhere on the range. The transmitter can deliver as much power as is needed. What type of antenna should be used ? Explain.

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