ттттттт Original Message ттттттт

   On Friday, December 20, 2019 9:04 PM, jim bell <jdb10987@yahoo.com>
   wrote:

'Sonic attack' impacted 'at least 20 regions' of US diplomat's brain - but cause
 remains unknown, new study finds
[1]https://news.yahoo.com/sonic-attack-impacted-least-20-204353837.html

   Jim Bell's comment:

   Why not use a sound spectrum analyzer, running on a smartphone app, to
   identify this?

   because it's not RF: it's pesticides!
   [2]https://www.bbc.com/news/world-latin-america-49770369

   (they checked radio and audio spectrum to no avail...)

   best regards,

References

   1. https://news.yahoo.com/sonic-attack-impacted-least-20-204353837.html
   2. https://www.bbc.com/news/world-latin-america-49770369