The winning article for the August 2019 QST Cover Plaque award is “Optimizing Propagation on 630 and 2200 Meters” by Robert S. Logan, NZ5A.
The QST Cover Plaque Award — given to the author or authors of the most popular article in each issue — is determined by a vote of ARRL members on the QST Cover Plaque Poll web page.
Click here for original story, NZ5A Wins the August QST Cover Plaque Award
Source: ARRL