[Cementjungle]

A air burst at a certain altitude is what you want for an EMP attack. Precise targeting of a city center (i.e. Hiroshima) is not needed if you just want to fry the grid

It helps if the thing can at least make it to the right continent (and preferably country) for it to work properly.

[Safetgiver]

A air burst at a certain altitude is what you want for an EMP attack. Precise targeting of a city center..... is not needed if you just want to fry the grid........Those South Koreans must be fried now? They’ll never use their computers again.