Tuvalu
AM 1, FM 1, shortwave 0 (2004)
Uganda
AM 7, FM 33, shortwave 2 (2001)
Ukraine
AM 134, FM 289, shortwave 4 (1998)
United Arab Emirates
AM 13, FM 8, shortwave 2 (2004)
United Kingdom
AM 219, FM 431, shortwave 3 (1998)
United States
AM 4,789, FM 8,961, shortwave 19 (2006)
Uruguay
AM 93, FM 191, shortwave 7 (2005)
Uzbekistan
AM 20, FM 7, shortwave 10 (1998)
Vanuatu
AM 2, FM 4, shortwave 1 (2004)
Venezuela
AM 201, FM NA (20 in Caracas), shortwave 11 (1998)