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Available languages — Tag:man_made=mast
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Public-images-osm logo.svg man_made = mast
Mobile phone base station 2010 12 30 165211 PC304165.jpg
A mast is a vertical structure built to hold, for example, antennas. Edit or translate this description.
Rendering in openstreetmap-carto
Mast general.svg
Group: Man made
Used on these elements
may be used on nodesshould not be used on waysshould not be used on areasshould not be used on relations
Useful combination
Status: in use

A man_made=mast is usually a small tower of only a few meters height. It is often built from concrete or steel and only for a single application like a mobile phone base station. A tower is accessible and provides platforms, whereas a mast only offers ladder steps to climb it. You can also find masts next to motorways or railways. High masts may be fastened to ground with guy wires.

Guys can be fixed with insulators to the mast and devided by insulators, if the mast is insulated to ground.

Often masts are built to hold antennas. You could tag a mobile phone base station like this: Proposed_features/Telecommunications_tower

How to map

Set a node node at the center of the mast. Add the tag man_made=mast.

Engineering definition

In structural engineering, mast is a vertical structure, supported by external guys and anchors.

This is the only existing definite feature that could be used to differentiate masts and towers.

Tags to use in combination


BTS GSM-R Jistebnik.jpg
Mobile phone
Bayreuth - Einsatzzentrale PP Oberfranken.jpg
Police radio
Frazier Peak microwave relay tower.jpg
Microwave link(s)
Stadium Ion Oblemenco - flood light.JPG Light tower


Mast general.svg - Mast in general

Mast communications.svg + tower:type=communication

Mast lighting.svg + tower:type=lighting

JOSM Preset

See also

Possible tagging error

If you know places with this tag, verify if it could be tagged with another tag.
Automated edits are strongly discouraged unless you really know what you are doing!