Absolute signal value vs. latitude

Every picture coressponds to orbit selected for earthquake on Honshu Island

a.20050602_048790.p59.png a.20050606_049370.p59.png a.20050610_049950.p59.png a.20050613_050390.p59.png a.20050618_051120.p59.png a.20050629_052720.p59.png