Diary Entry Classification of the construction type of a tower north of Kóspallag, Hungary

Radio and communication towers made of wood are rare. Lists of such objects can be found on https://en.wikipedia.org/wiki/Cell_site#Wooden_structur...

Diary Entry Let us search for WEM in China

According https://www.thedrive.com/the-war-zone/25728/chinas-new-york-city-sized-earthquake-warning-system-sounds-more-like-way-to-talk-to-subs the...

Diary Entry Area of visibilty of astronomical events on Openstreetmap

In my opinion, one should add to Openstreetmap functions to display the visibilty of astronomical events, like Solar eclipses. Corresponding ideas ...

Diary Entry Cable of HVDC Kontek ( https://en.wikipedia.org/wiki/Kontek ) near Rostock

Mapping the track of underground cables is not easy. However at present, there is a good opportunity to map the track of the cable of HVDC Kontek (...