0.1 to 300Hz
China antenna turns Earth into giant radio station, with signals reaching Guam https://t.co/BE9zCVhGgF— South China Morning Post (@SCMPNews) December 2, 2021 The exact location has not been revealed but signals can reach submarines across vast distances, researchers sayA joint experiment with Russia confirmed a ‘ping’ from the facility can also travel effectively underground By Stephen...
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