OJ0JR OJ0A Market Reef. From DXNews.com02/06/2020 by PY3TXOH3JR planning to be active as OJ0A from Market Reef, 5 – 12 June 2020. Previous articleKC4USV McMurdo station. From DXNews.comNext article P4/KM4VI Aruba Island. From DXNews.com