• First Map of Coherent Low-Frequency Continuum Radiation in the Sky 

      Füllekrug, Martin; Koh, Kuang; Liu, Zhongjian; Mezentsev, Andrey (Peer reviewed; Journal article, 2019)
      Lightning discharges and radio transmitters emit low‐frequency (∼3–300 kHz) electromagnetic waves with large electric field strengths and stable phases. This phase stability makes it possible to map the source locations ...