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What I Learned about Atmospheric Absorption Loss from my Whistle Tests

Aug 11, 2009 4:28 pm

re: re: re: What I Learned about Atmospheric Absorption Loss from my Whistle Tests

Richard Weisenberger

http://www.facebook.com/group.php?gid=73252893581
I now have a link to my Facebook group. The problem with current warning sirens is that they are not designed to be audible indoors from a very large distance. I have a better alternative in the form of my toroidal whistles. I invite you to join my group and tell your friends about it.

Private Reply to Richard Weisenberger (new win)

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