гіроіндукційний компас
gyro stabilized flux(-)gate compass
gyro-compass / gyro-unit
gyro-unit / gyro-compass
flux gate detector
magnetic liquid compass / wet compass
fluid flux
flux method
flux of vorticity
heat-flux distribution
momentum flux
boom barrier (boom gate)
gate sentry
stern gate
boom gate
visible gate
gate change
gate
gate a target in range
gate pulser
narrow gate
narrow gate pulse
narrow-narrow gate
narrow-narrow gate pulse
sea chest gate valve
swinging gate principle
compass bearing
compass case
compass direction
compass error
compass heading
compass march
compass north