magnetic compasses
North-seeking devices
Magnetic compasses are navigation instruments that use a magnetized needle to indicate direction relative to Earth's magnetic field.
The needle aligns with magnetic north, allowing travelers to orient themselves.
Despite GPS technology, magnetic compasses remain essential backup tools for hikers, sailors, and pilots: Always carry a magnetic compass in the backcountry.
- directionalIndicating a path
- latitudesEarth's horizontal position lines
- orientingDetermining one's position
- lodestoneNaturally magnetic mineral
- bearingPosture or orientation
explorations · lost at sea · navigation · portolan charts · age of exploration · iron filings · polarity · ferromagnetism · azimuth · chronometers · geographic coordinates · maritime routes · true north · binnacle · deviation · declination · piloting · cartography
magnetic compassesGPS devices
Satellite-based location tools
GPS receivers · satellite navigation · satnav · GPS · smartphone GPS
magnetic compassesautopilot systems
Technology that steers vehicles autonomously
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