Dx Club - Large QRZ database with 24 club directories to view online, or download the directory of your choice. Radio mods and other radio related subjects. Wizard's CB - Technical support for those servicing CB and export radios. Worldtime - A service featuring an interactive world atlas, information on local time as well as sunrise and sunset times in several hundred cities, and a database of public holidays worldwide. Yankee Yankee International DX Group - Prefixes.
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