To: | [email protected] |
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Subject: | Re: LF: VLF THOUGHT |
From: | Warren Ziegler <[email protected]> |
Date: | Wed, 1 Sep 2010 10:31:24 -0400 |
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Rik, Krakatoa exploded with the equivalent force of 200 Megatons of TNT, bigger than the largest Hydrogen bomb and 13,000 times the size of the nuclear explosion that destroyed Hiroshima. That said, I believe that what was hear at a distance was still the low frequency rumble, 100Hz is attenuated at only 0.3dB/km while 10kHz is attenuated over 150dB/km. Best to stick with EM waves as opposed to sound.
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73 Warren K2ORS WD2XGJ WD2XSH/23 WE2XEB/2 WE2XGR/1 On Wed, Sep 1, 2010 at 3:58 AM, Rik Strobbe <[email protected]> wrote: All, - |
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