Radio, Ionosphere, Magnetism, and Sunspots Leif Svalgaard Stanford University SARA 2015, March 22 The Diurnal Variation of the Direction of the Magnetic Needle 10 Days of.
Transcript Radio, Ionosphere, Magnetism, and Sunspots Leif Svalgaard Stanford University SARA 2015, March 22 The Diurnal Variation of the Direction of the Magnetic Needle 10 Days of.