At this point, it is not clear what you want to do. This started as a project to measure range, and it is unclear how your current design does that.
So, before worrying about whether a stairway will interfere, it would be best if you sketched what your current purpose is, what your current design is, and how does that design accomplish what you want to do.
John
So, before worrying about whether a stairway will interfere, it would be best if you sketched what your current purpose is, what your current design is, and how does that design accomplish what you want to do.
John