3 ms·Planet’s erratic magnetic field forces emergency update to global nav systems6 points by dankohn1 8y agodankohn1 8y agoThe disaster movies -- with this announcement as the prologue -- almost write themselves.ngcc_hk 8y agoSurprise affect of the shutdownheyjudy 8y agoIt seems like with tzdata, there should be magnetic field data (mddata).