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601 Magnetic north line

601 Magnetic north line (ISMTBOM 2022)

Geometry: line.


Magnetic north lines are placed on the map pointing to magnetic north, parallel to the sides of the paper and with magnetic north being at the top of the map. Their spacing shall be 20 mm on the map which represents 300 m on the ground at the scale of 1:15 000. If the map scale is 1:5 000 (sprint), the spacing of the lines will be 30 mm on the map which represents 150 m on the ground.
North lines shall be broken to improve the legibility of the map, for instance where they would obscure small features.
The symbol is orientated to north.


Colour: blue.