The ornamental design for an indoor positioningbasestation, as shown and described.
FIG. 1 is a front perspective view of an indoor positioning base station showing our design.
FIG. 2 is a rear perspective view of the indoor positioning base station in FIG. 1.
FIG. 3 is a front elevation view of the indoor positioning base station in FIG. 1.
FIG. 4 is a rear elevation view of the indoor positioning base station in FIG. 1.
FIG. 5 is a left side elevation view of the indoor positioning base station in FIG. 1.
FIG. 6 is a right side elevation view of the indoor positioning base station in FIG. 1.
FIG. 7 is a top plan view of the indoor positioning base station in FIG. 1; and,
FIG. 8 is a bottom plan view of the indoor positioning base station in FIG. 1.
The broken lines in the drawings are employed to show unclaimed portions of the indoor positioning base station, and form no part of the claimed design.