Although most forumers may be common for getting height data of structures, a thread for this matter would be useful as there may exist some unknown methods.
The most important ways are
1.) Official websites (not available for all objects)
2.) Sites with touristical informations (only for some objects with touristical importance)
3.) Air-traffic obstacle lists (not available for most countries, may not contain all tall objects, but often contain even military objects)
4.) Google Earth (works only for areas in and around big cities, not suitable for objects with thin pinnacles like lattice towers)
5.) Special maps. Tactical Pilotage Maps (
https://maps.lib.utexas.edu/maps/tpc/ ) may be a tool, but they are old and not always correct. Use only recommended when no other way works! An other map tool is the old Soviet military map on
https://maps.vlasenko.net/
6.) For objects with publical broadcasting in the USA the FCC-database available on
https://wireless2.fcc.gov/UlsApp/Asr...tionSearch.jsp . It may also work for highrise buildings with broadcasting antennas, but does not work for antenna towers used by governmental offices.
7.) Wikipedia
Which other sources do you know and for what kind of structures, in which countries do they work?
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