RSGB World Prefix Map - Radio Amateur's Map of the World New RSGB top quality map is 980x680mm and printed on top quality silk finished paper. Not only does this map show the location of worldwide prefixes there is an A-Z list of prefixes and expanded map sections covering the Caribbean and Europe making them much easier to read. The handy countries list also shows the DXCC entities with their continent along which CQ and ITU region that they fall in. The map is also overlaid with grid both CQ and ITU zones and a handy annotation of the hour +/- UTC. Printed specially for the RSGB this world prefix map is a very impressive 980mm wide by 680mm tall (approx 38.5"x 27") and is in a 1: 42,000,000 scale.