Response (lower trace) of the toroidal fluxgate to a sine wave of about 7 V amplitude (upper trace, heavily distorted because of the limitations of the signal generator) in the presence of an external magnetic field..
Ein Fluxgate-Magnetometer - eine Vorstudie
Just a few days ago I read up about variations in the magnetic field of earth and how these can be used to detect northern lights. Since there have been…