Tag:man_made=mast

man_made = mast
Description
A mast is a vertical structure built to hold, for example, antennas.
Rendering in openstreetmap-carto
Group: Man made
Used on these elements
Useful combination
tower:type=* tower:construction=* operator=* height=*
See also
power=pole man_made=communications_tower man_made=flagpole man_made=tower
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Status: de facto
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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 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

• tower:type=communication - transmission tower
  • communication:mobile_phone=yes
  • communication:microwave=yes
• tower:type=lighting
• tower:type=siren
• tower:type=monitoring
• height=* - height in meters
• tower:construction=*
  • tower:construction=freestanding
  • tower:construction=lattice
  • tower:construction=guyed_lattice
  • tower:construction=guyed_tube
• operator=*

Examples

	Mobile phone man_made=mast tower:type=communication communication:mobile_phone=yes
	Police radio man_made=mast tower:type=communication communication:bos=yes
	Microwave link(s) man_made=mast or man_made=tower tower:type=communication communication:microwave=yes
	Light tower man_made=mast tower:type=lighting tower:construction=lattice
	Popinjay mast man_made=mast tower:type=popinjay tower:construction=lattice

Rendering

- Mast in general

+ tower:type=communication

+ tower:type=lighting

JOSM Preset

• Communication Towers

See also

• man_made=tower - a tower is free-standing vertical structure, which is higher than it is wide
• man_made=flagpole - pole to hold a flag
• man_made=antenna - used for some kind of antenna
• power=tower - for towers or pylons carrying high voltage electricity cables. Normally constructed from steel latticework
• power=pole - pole for overhead power lines
• power=catenary_mast - catenary mast supports system of overhead wires
• tower:type=* - describes the type of tower, mast or power-tower.

Possible tagging error

• man_made=communications_transponder

If you know places with this tag, verify if it could be tagged with another tag.
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Related terms: ‹ post › ‹ mast ›