A fixed radar station transmits 100 kW at 3 GHz. The smallest ocean-going ship has a radar cross-section of 200 m2. The radar antenna gain is 16 dB. If detection requires a minimum of 1 nW/m2 at the radar antenna, the effective range of the radar is nearly

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This question belongs to Electronics And Communications Engineering Satellite Communication

Satellite Communication

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A fixed radar station transmits 100 kW at 3 GHz. The smallest ocean-going ship has a radar cross-section of 200 m². The radar antenna gain is 16 dB. If detection requires a minimum of 1 nW/m² at the radar antenna, the effective range of the radar is nearly

A) 7.1 km B) 8.4 km C) 70.7 km D) 84.0 km

Answer & Solution

Correct Answer: Option B

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