Earth's Mysterious Second Magnetic Field Revealed in Stunning New Swarm Images

PO1 Tony Holland Very interesting, what is this new Mag field do for Mag compass readings? I can see it now, New OOD's U/W you best best back up you meg compass readings with GPS! Bridge to CO, "But Capt. it was the new Mag field that screwed up course!"

Thanks

Thanks for the share.