Wad Madani
Sudan further subdivides its call signs thus (with possible changes due to the 2011 independence of South Sudan): ST2 Khartoum and its region, ST3 Wad Madani, central region, ST4 Al Ubayyid, Kurdufan region, ST5 Kassala, eastern region, ST6 Port Sudan, northeast region, ST7 Ad'Damir, northwest region, ST8 Al'Fashir, Darfour region, and ST9 Malakal, central-south region; Wau, Bahr-al-Ghazal region.