Nothing
with(magrem, {
par(mfrow=c(1,2))
sm.sphere(20, -30, theta=60, phi=10, sphim=TRUE, kappa=13.6)
sm.sphere(maglat, maglong, theta=60, phi=10, sphim=TRUE,
kappa=13.6)
par(mfrow=c(1,1))
})
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