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E9A13

How can the approximate beamwidth of a beam antenna be determined?

Select	Answer
A	Measure the ratio of the signal strengths of the radiated power lobes from the front and side of the antenna
B	Measure the ratio of the signal strengths of the radiated power lobes from the front and rear of the antenna
C	Note the two points where the signal strength of the antenna is down 3 dB from the maximum signal point and compute the angular difference
D	Draw two imaginary lines through the ends of the elements and measure the angle between the lines

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