Home DX Africa S9ZZ – Sao Tome S9ZZ – Sao Tome May 30, 2018 David, EB7DX will be active between 1 to 9 June 2018 from Sao Tome Island as S9ZZ. Look for him on 40-6m mostly SSB, RTTY, FT8 and some CW using 100w. Holiday style operation. QSL via H/c. RELATED ARTICLESMORE FROM AUTHOR DX Africa QSL preview – S9ZZ DX Africa Flying the flag on Sao Tome!