The ornamental design for an antennaelement, as shown and described.
FIG. 1 is a front perspective view of the front, right, and top sides of an antenna element showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a right side view thereof, a left side view being a mirror image thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom view thereof; and,
FIG. 7 is a reference view of usage.
The broken lines shown in FIGS. 1-6 represent unclaimed subject matter of the antenna element and form no part of the claimed design.
The broken lines shown in FIG. 7 represent unclaimed subject matter of the antenna element and environmental subject matter and form no part of the claimed design.