Abstract
RADIO pulses associated with extensive air showers (EAS) have been detected in numerous experiments1–12, at frequencies between 3 MHz and 75 MHz. None of the available emission theories13–16 would predict a detectable radio signal from EAS at frequencies above 100 MHz, but three recent experiments (refs. 17 and 18 and a private communication from W. N. Charman and J. V. Jelley) report the detection of pulses at frequencies between 200 MHz and 520 MHz.
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FEGAN, D., JENNINGS, D. UHF Radio Pulses from the Zenith associated with Extensive Air Showers. Nature 223, 722–723 (1969). https://doi.org/10.1038/223722a0
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DOI: https://doi.org/10.1038/223722a0
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