Magnetic inclination. Travel Tips

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Magnetic inclination. Travel Tips

Tourist tips

The lines of force of the Earth's magnetic field are not everywhere parallel to its surface. As you approach the north or south magnetic pole, the slope of the field lines becomes steeper and steeper. This effect is called magnetic inclination. It leads to the fact that in areas adjacent to the magnetic poles, a freely suspended magnetic needle will be inclined downward relative to the horizon.

The closer to the pole, the greater the angle of inclination. In theory, just above the magnetic pole, the arrow would point vertically downwards.

Compass manufacturers compensate for this effect by installing counterweights on the arrows of their devices, guided by the division of the earth's surface into five zones: magnetic north, north relative to the conditional magnetic equator, conditional magnetic equator, south relative to the conditional magnetic equator and magnetic south. The magnetic north zone covers all of North America, Europe, Siberia, Central Asia, China and Japan. The magnetic south zone includes Australia and New Zealand.

For each zone, compasses specially designed for it are most suitable. Attempting to use a compass that does not match the zone - for example, the North American compass in Australia - may cause the needle to catch on the body, detrimental to the accuracy of the readings.

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