A satellite in geostationary orbit is used to transmit data via electromagnetic

Question

A satellite in geostationary orbit is used to transmit data via electromagnetic radiation. The satellite is at a height of 3.29*10^4 km above the surface of the earth, and we assume it has an isotropic power output 23.8 kW (although, in practice, satellite antennas transmit signals that are less powerful but more directional).

Answer: E0= 3.63*10^-5 V/m

How large does the radius R of the dish have to be to achieve an electric field vector amplitude of 5.6*10^-4 V/m at the receiver?

Answer: R=_____m

Explanation / Answer

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