Because the geeks at NOAA say it's in a decline based on their measurements. NASA is aware of, and adjusts for a particular spot east of South America. It weirds out their satellites, or something.
FedGov is spending billions on EMP protection. They seem to take it seriously.
I'm much less concerned about EMP from nukes than I am from the sun.
/johnny
If you have access to an old car (pre-computer), buy a tune-up kit for it - and bury it.
Points, plugs, condenser, coil, wires, battery - assuming a mechanical fuel pump.
Although I did once make a coil wire out of a coathanger - it was just out of necessity, I assure you.
“Because the geeks at NOAA say it’s in a decline based on their measurements. NASA is aware of, and adjusts for a particular spot east of South America.”
Earth’s MAGNETIC field always changes.
And the spot off South America is the SAA, it has to do with trapped solar particles.
Neither have anything to do with EMP caused by a nuke.