Slovenia
AM 17, FM 160, shortwave 0 (1998)
Solomon Islands
AM 3, FM 0, shortwave 0 (1998)
Somalia
AM 0, FM 11, shortwave 1 in Mogadishu; 1 FM in Puntland, 1
FM in Somaliland (2001)
South Africa
AM 14, FM 347 (plus 243 repeaters), shortwave 1 (1998)
South Georgia and the South Sandwich Islands
0 (2003)
Spain
AM 208, FM 715, shortwave 1 (1998)
Sri Lanka
AM 26, FM 45, shortwave 1 (1998)
Sudan
AM 12, FM 1, shortwave 1 (1998)
Suriname
AM 4, FM 13, shortwave 1 (1998)
Svalbard
AM 1, FM 1 (plus 2 repeaters), shortwave 0 (1998)