Ground wave propagation is used fora)Low frequency greater than 500 MHz and less than 1GHzb)High frequency greater than 10GHzc)VLF few MHzd)High frequency greater than 1GHzCorrect answer is option 'C'. Can you explain this answer?

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Ground wave propagation is used for

a)
Low frequency greater than 500 MHz and less than 1GHz
b)
High frequency greater than 10GHz
c)
VLF few MHz
d)
High frequency greater than 1GHz

Correct answer is option 'C'. Can you explain this answer?

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Ground wave propagation is used fora)Low frequency greater than 500 MHz and less than 1GHzb)High frequency greater than 10GHzc)VLF few MHzd)High frequency greater than 1GHzCorrect answer is option 'C'. Can you explain this answer?

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