I have a question for Patracy..
I posted this message on bug out and the links fail to redirect. Is this a new forum rule..?
I was looking up EMP again to revisit shielding on a new construction Pole Barn, Footings are all 10" eye beam through upper trusses. The structure roof is standing seam steel 14" spread. Installed a total of 8 ground rods throughout. Connected by acorn clamps and a 1/2" copper strand.
An
electromagnetic pulse (sometimes abbreviated
EMP) is a burst of
electromagnetic radiation. The abrupt pulse of electromagnetic radiation usually results from certain types of high energy explosions, especially a
nuclear explosion, or from a suddenly fluctuating
magnetic field. The resulting rapidly changing
electric fields and magnetic fields may couple with electrical/electronic systems to produce damaging current and
voltage surges.
In military terminology, a nuclear bomb detonated hundreds of kilometers above the Earth's surface is known as a high-altitude electromagnetic pulse (
HEMP) device. Effects of a HEMP device depend on a very large number of factors, including the altitude of the detonation,
energy yield,
gamma ray output, interactions with the
Earth's magnetic field, and
electromagnetic shielding of targets.
To many links,