What you can see here below is the so called alpha shape of a new indoor gateway (IMST Lite) in the inner city, close to Markplatz and City Hall. The location is currently indoor at a relatively low altitude (3rd floor).
Image courtesy of ttnmapper.org
![](https://thethingsnetwork.org/media/posts/342aaaea4c0f449693bff2f3a96c52ff.large.png)