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Radio Waves and Communications DistanceRadio waves are of the ac (alternating current) type. The inten- sity of a signal from a transmitting anten- na is always measured in terms of

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Page 1: Radio Waves and Communications DistanceRadio waves are of the ac (alternating current) type. The inten- sity of a signal from a transmitting anten- na is always measured in terms of
Page 2: Radio Waves and Communications DistanceRadio waves are of the ac (alternating current) type. The inten- sity of a signal from a transmitting anten- na is always measured in terms of
Page 3: Radio Waves and Communications DistanceRadio waves are of the ac (alternating current) type. The inten- sity of a signal from a transmitting anten- na is always measured in terms of
Page 4: Radio Waves and Communications DistanceRadio waves are of the ac (alternating current) type. The inten- sity of a signal from a transmitting anten- na is always measured in terms of