магнітна дефектоскопія
magnetic variation / magnetic declination
magnetic bubble memory / magnetic bubble store
magnetic anomaly detection (MAD) gear
magnetic airborne detection
grid magnetic angle
magnetic azimuth
magnetic bearing
magnetic declination
magnetic intelligence
magnetic mine
magnetic mine hunting
magnetic needle
magnetic north (MN)
magnetic target sensor
magnetic focus
artificial magnetic anomalies
dip-needle magnetic mine
magnetic
magnetic inspection
magnetic chip detector
runway magnetic azimuth
runway magnetic bearing
Earth's magnetic field
electro-magnetic contamination
magnetic decoder
magnetic dip
magnetic field strength
magnetic heading
magnetic heading deviation
magnetic latitude
magnetic liquid compass / wet compass
magnetic radio bearing