Bug zappers seem to be popular for EMP based builds. Here is another good writeup on one.
http://www.instructables.com/id/How-to-Make-an-EMP-Jammer/?ALLSTEPS
Bug zappers seem to be popular for EMP based builds. Here is another good writeup on one.
http://www.instructables.com/id/How-to-Make-an-EMP-Jammer/?ALLSTEPS