ardf is a sport that spans much of the globe. in 2012 over 570 athletes from thirty-three countries, representing four continents, entered the 16th world championships held in kopaonik, serbia organized ardf competitions can be found in almost every european country and in all the nations of northern and eastern asia. ardf activity is also found in thailand, australia, new zealand, canada, and the united states. although they represent a broad range of amateur radio interests in their nations today, several member societies of the international amateur radio union were originally formed for the promotion and organization of the sport and continue to use the term "radiosport" in their society name. these include the federation of radiosport of the republic of armenia (frra), the belarusian federation of radioamateurs and radiosportsmen (bfrr), the chinese radio sports association (crsa), and the mongolian radio sport federation (mrsf). to promote the sport, the iaru has delegated individuals as ardf coordinators for each iaru region to help educate and organize national radio societies and other ardf groups, especially in nations without prior activity in the sport.