# Gordon J.F. MacDonald described ionospheric stroking to generate Earth-scale ELF oscillations capable of impairing…
*Canonical page:* https://truthscore.com/claim/gordon-j-f-macdonald-described-ionospheric-stroking-to-generate-earth--90990d5d
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Gordon J.F. MacDonald described ionospheric stroking to generate Earth-scale ELF oscillations capable of impairing performance over large populations.