15-11. Determine the efficiency for an antenna with radiation resistance R, = 18.8 2, effective re- sistance R₂ = 0.4 02, and directive gain = 200. 15-12. Determine the power gain A, for problem 15-11.
15-11. Determine the efficiency for an antenna with radiation resistance R, = 18.8 2, effective re- sistance R₂ = 0.4 02, and directive gain = 200. 15-12. Determine the power gain A, for problem 15-11.
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Transcribed Image Text:15-11. Determine the efficiency for an antenna with radiation resistance R, = 18.8 2, effective re-
sistance R₂ = 0.4 02, and directive gain = 200.
15-12. Determine the power gain A, for problem 15-11.
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