The winner of the QST Cover Plaque Award for March is Rudy Severns, N6LF, for his article "An Experimental Look at Ground Systems for HF Verticals." Congratulations, Rudy! The winner of the QST Cover Plaque award -- given to the author or authors of the best article in each issue -- is determined by a vote of ARRL members on the QST Cover Plaque Poll Web page. Cast a ballot for your favorite article in the April issue by Friday, April 30.