The ornamental design for a clockradio, as shown and described.
FIG. 1 is a front, top and right side perspective view of a clock radio
showing my new design;
FIG. 2 is a rear, bottom and left side perspective view thereof;
FIG. 3 is a front elevational view thereof; and
FIG. 4 is a top plan view with the structure which would be seen through
the inclined, front transparent panel omitted for convenience of
illustration.