Deeper Look – Episode 23
Here we take a deeper look at Sector Boundary Crossings as they relate to our primary earthquake factor, Coronal Holes.
SIDC: http://sidc.oma.be/news/269/welcome.html
SolarHam: http://www.solarham.net/plane.htm
Sector Boundary List: http://www.leif.org/research/sblist.txt
Great book I have on this topic: Interplanetary Magnetohydrodynamics By Maryland L. F. Burlaga