From: Effect of a huge crustal conductivity anomaly on the H-component of geomagnetic variations recorded in central South America
Station
SSC amplitude (nT)
Amplification at CB
KOU
43.4
1.67
SJC
56.4
1.28
JAT
54.6
1.33
CB
72.4
–
EUS
49.8
1.45
SLZ
45.9
1.58
ALF
50.4
1.44