Amateur Radio Country Files

This web site represents the home of "Country Files", databases of entities (countries), prefixes and callsigns that are used by amateur radio logging software. There are three "flavors" of country files: CTY.DAT used by contest logging software such as CT, N1MM, NA, TR and Writelog
DX4WIN.CTY used by the DX4WIN logging software
WPXLOC.DAT used by packet cluster software such as AR-Cluster, CC Cluster and DX Spider
maintained by Jim Reisert, AD1C