Subwoofer
March 24th, 2009 | 
Author: 
Someone, somewhere, turned on a subwoofer.
My wife and I looked at each other and we both said “WOWâ€.
All windows in our house were rattling. Not just a little in the direction of the noise, but ALL windows around the house were vibrating at a low frequency.
It was 4:38 AM!
And the subwoofer was located some 40+ miles away from us.
That is, when it was turned on.
By the time our windows started to tremble, the subwoofer was already some 10 miles up in the air: one of the last Delta 2 rockets, blasted into orbit with the help of NINE solid rocket boosters, 6 of which were ignited on the ground, the other 3 during the ascent.
We were watching its launch form our backyard, and it was a true spectacle. We could clearly see the ignition of the 3 remaining boosters and the jettison of the burned-out ones.
Anyway, we now have a brand new GPS satellite in orbit. And it will also test the new L5 signaling for future, more accurate and more powerful GPS with extra provisions for aviation.
The Delta 2’s are being phased out and replaced by Delta 4 and Atlas 5 rockets.
Interested in one of the oldies? The Air Force has 5 of them for sale!
See: Delta 2’s for sale
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(The picture is of an actual subwoofer: a 60 inch one! See Link)
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Posted in Diary, Science
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It WAS a pretty awesome sight to behold.
And, NO, dear, a subwoofer is NOT something “lower than a dog”!