PSN-L Email List Message
Subject: Welcome home Discovery
From: Brett Nordgren brett3nt@.............
Date: Fri, 11 Sep 2009 21:46:41 -0400
On its approach to Edwards AFB in California today, the space shuttle
Discovery apparently came right over our seismo site. Dave reports that
its sonic boom shook the whole house (though the really solid pier he made
possibly shook less).
Check the 'gif_images.htm' file below and look at the low-gain, 10Hz
channel heliplot. At 12 Sept, 2009 00:47:47 UTC Discovery's sonic boom
shows up quite clearly. It's even more impressive when we look at it on
the high gain channel with the low pass filter set up to10Hz.
Watch our wiggles
or watch some very very good wiggles
Public Seismic Network Mailing List (PSN-L)
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