[oldleft]

Excellent paper, thank you. It really doesn't agree with me or the original post, as it states that an nuclear burst at 500km would have an EMP with about a 2500km diameter. The numbers I've always seen are a 10mt bomb at 200km would have an effective EMP at a 600km radius. If you figure the area of the sphere as it comes in contact with us (the ground) you'll find a radius of about 400km, or 250 miles, not the entire US.

I'm not saying I'm the ultimate authority, just an informed opinion.

[Jeff Head]

But, those bursts at 500km would have a proportionally larger radius on the ground (if they were strong enough) and say ten of them would in fact be severely debilitating to the nation as a whole. I believe that is the point.