Whistling Tones from the Earth

• 1 July 1930
• journal article
• Published by Institute of Electrical and Electronics Engineers (IEEE) in Proceedings of the IRE
• Vol. 18  (7) , 1155-1159
• https://doi.org/10.1109/JRPROC.1930.222122

Abstract

Keywords

• EARTH
• TELEPHONY
• ELECTRODES
• FREQUENCY
• METEOROLOGY
• ACOUSTIC NOISE
• SWITCHES
• OPTICAL REFLECTION
• ELECTROMAGNETIC REFLECTION
• INSULATION