C7A 4Y1A Vienna
Vienna International Amateur Radio Club (VIARC)proudly announces that VIARC will operate stations under newly releasedcallsigns of C7A and 4Y1A as a host institute. The callsign block C7A-C7Z is allocated to World Meteorological Organization (WMO) and 4YA-4YZ is to International Civil Aviation Organization (ICAO). VIARC is operating a UN amateur radio station with the callsign 4U1VIC at Vienna International Centre which hosts numerous UN organizations and other international organizations. VIARC welcomes the new prefixes, C7 and 4Y, which are allocated to the UN organizations. Activations of these new callsigns will attract attentions from all over the world, which will assist promotions of these organizations, as well as a whole UN system.
73 Al 4L5A