Referred to as the "Poulsen Arc Transmitter", which was widely used for audio radio transmissions before the advent of vacuum tube technology
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Referred to as the "Poulsen Arc Transmitter", which was widely used for audio radio transmissions before the advent of vacuum tube technology
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-23 from Wikipedia. The archived copy is preserved so this citation survives link rot.