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709 Out of bounds area

from
ISMTBOM 2022
709 Out of bounds area (ISMTBOM 2022)

Geometry: area.

Definition

An out of bounds area. A bounding line may be drawn if there is no natural boundary as follows: a solid line indicates that the boundary is marked continuously in the terrain, a dashed line indicates intermittent marking in terrain, no line indicates no marking in terrain.
The symbol is orientated to north.

Parameters

Minimum width: 2 mm (footprint 30 m).

Minimum area: 4 mm2.

Colour: upper purple (over black).