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What is Understanding Extremely Low Frequency Waves about?

Extremely low frequency radio waves are electromagnetic waves with frequencies from 3–30 Hz and wavelengths from 100,000 to 10,000 km. They can penetrate seawater to a depth of hundreds of meters, allowing communication with submarines deep underwater. Due to their long wavelengths, ELF waves can diffract around obstacles like mountains and travel around the world along the surface of the Earth.

Author

kanthan

Language

EN