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I just got astounded once again by technology I didn't even know I had. I have a rather old Motorola phone and I can get GPS information within the thousandth of a minute (which works out to basically 3 feet). Now, maybe I'm just more intelligent than the average terrorist or something, but if you can build/acquire rockets or artillery that can
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With a $25/year subscription to Google Earth, you can be on your computer anywhere with an internet connection, and get the lat/long to around 5.5 inches of actual (at 40* N Latitude, anyway). That's 6 decimals of a degree.)
If you set it up for DMS, you can get 1/100th of a second, or around 9" accuracy.
The hard part isn't computing the trajectory of your projectile (that's just some math), it's getting your actual trajectory to be anywhere *close* to your computed accuracy. Even the latest advances in Artillery (PanzerHaubitze 2000 155mm self propelled gun) require up 4 rounds to hit a 4m x 4m target for sure at 4.5 miles.
(http://www.global-defence.com/1997/PzH2000.html)
And that's the best of the best at this point..."homebrew" stuff that's made in secrecy surely has far less ability to hit a specific point in space...
All these years later, I'm still stunned that Al-Queda hasn't take up the methodology of the DC Sniper.
Imagine, if you will, the effect on the economy and our way of life, should one place 48 cars, with 48 sniper/spotter teams, on the road...
They drive down the Interstate, wherever they feel like going..."Hmmm, Let's Turn Left At Albuquerque"...
They stop off here and there and randomly shoot one or two people, then get back on the Interstate...
It paralyzed DC. What if it were *everywhere*?
*shudder*
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