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 15, FM 52, shortwave 4 (2007)
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)
Swaziland
AM 3, FM 2 (plus 4 repeaters), shortwave 3 (2004)
Sweden
AM 1, FM 265, shortwave 1 (1998)
Switzerland
AM 4, FM 113 (plus many low-power stations), shortwave 2
(1998)