San Marino
AM 0, FM 3, shortwave 0 (1998)
Sao Tome and Principe
AM 1, FM 5, shortwave 1 (2002)
Saudi Arabia
AM 43, FM 31, shortwave 2 (1998)
Senegal
AM 8, FM 20, shortwave 1 (2001)
Serbia and Montenegro
AM 113, FM 194, shortwave 2 (1998)
Seychelles
AM 1, FM 1, shortwave 2 (1998)
Sierra Leone
AM 1, FM 9, shortwave 1 (1999)
Singapore
AM 0, FM 16, shortwave 2 (1998)
Slovakia
AM 15, FM 78, shortwave 2 (1998)
Slovenia
AM 17, FM 160, shortwave 0 (1998)