During the 87th Men’s World Ice Hockey Championship, station OK1TK and club station OK1RJO participated in a diploma contest for contacts made with occasional stations OL87DL, OL87F, OL87G, OL87HB, OL87LA, OL87OH, OL87OK, OL87SPOM, OL87OL8OL8OL , OL87W, OL87YL and received the following diplomas:
OK1TK HAM Radio 