ST2/EK6KO – SudanMar 8, 2019 | 0 Working for the UN World Food Program, Arik EK6KO is now based in Khartoum, Sudan for the next 3 to 4 years. While waiting for the callsign ST2DO he is signing ST2/EK6DO working on 40-20-17-15m, CW & SSB. QSL via K6IED.