Wikipedia has some numbers - obviously there could be a difference between them and reality but they are a plausible starting point. https://en.wikipedia.org/w

Wikipedia has some numbers - obviously there could be a difference between them and reality but they are a plausible starting point. https://en.wikipedia.org/wiki/Magnetic_anomaly_detector#Operation https://en.wikipedia.org/wiki/Magnetic_anomaly_detector#Oper...