Earth Magnetic Field Evaluation: CHAOS-4α

Universal time (1997.0 to 2011.0 years):
Altitude (km):
Min-Max spherical harmonic degree (1 to 100): -
Grid Increment (0.1 to 180)
Latitude Min-Max (-90 to 90):
Longitude Min-Max (-180 to 360):
Output images for: Br
F (sqrt(Br2+Bθ2+Bφ2))
T (Total field, i.e. crustal field in direction of main field)
Plot coastlines?
Output ASCII lon,lat,alt,Br,Bθ,Bφ data?
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