Helliwell and the Whistlers

Paul, W2IOG, alerted me to the passing of Robert Helliwell, one of the discoverers of the "whistlers" and an expert on VLF phenomena and the magnetosphere. Paul met him and tells me that he was a real gentleman. His obit is fascinating:

http://news.stanford.edu/news/2011/may/robert-helliwell-obit-052011.html

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