Regional effects on the magnetic readings are removed using the International Geomagnetic Reference Field correction, and the values are displayed on a scalable strip-chart showing the change in magnetic values over time.
(Regional effects on the magnetic readings; are removed; ) (the values; are displayed; on a scalable strip-chart) (a scalable strip-chart; showing; the change in magnetic values over time)
Regional effects on the magnetic readings the values a scalable strip-chart
are removed are displayed showing
on a scalable strip-chart
the change in magnetic values over time