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1. A pager operating at a center frequency of 50 MHz has a noise bandwidth of 5 kHz, an antenna efficiency of 50%, and a noise figure of 10 dB. Calculate the minimum signal power into the receiver if signal-to-noise ratio >5 dB is required.

2. A millimeter-wave (λ = 10 mm) SATCOM receiving antenna has a beam width of 1.5°. It is pointed directly at the sun but a moderately strong rain is falling, resulting in attenuation of L(R) = 10 dB. Calculate the antenna temperature

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