Alex Discovers Amateur Radio

27 International call sign prefixes Example: M6ABC prefix is M and MAA to MZZ is United Kingdom DJ2RD prefix is DJ and DAA to DRZ is Germany of Korea n Authority # To know what frequencies to listen on visit the page address below. When using Single Sideband - USB is usually used on 60m, and on 20m and above. LSB is usually used on the other bands. http://rsgb.org/main/operating/band-plans/