Ghosts can be placed literally at any range but removed only when nearby.
It seems like these ranges shoudl be equal meaning that ghost removal range should be as large as ghost placement one.
[0.10.x][slpwnd]Limited range of ghost removal
Re: [0.10.x][slpwnd]Limited range of ghost removal
This makes sense. Ghosts can be removed without limited range in 0.10.2.