Long-distance telephone communication utilizes transmission ofelectromagnetic signals in the microwave part of the spectrum. Howlong does it take to transmit a signal cross country, a distance of4778 km?

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Casey DurganLv2

23 Jan 2019

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Long-distance telephone communication utilizes transmission ofelectromagnetic signals in the microwave part of the spectrum. Howlong does it take to transmit a signal cross country, a distance of4778 km?

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