https://qsl.net/g6nhu/contest_stats/g6nhu/2017/2017_makrothen-rtty_g6nhu/all_callsigns.htm
All callsigns - 2017 MAKROTHEN-RTTY G6NHU - SH5 v.2.46.1
67 unique callsigns. The report contains a list of all unique callsigns in alphabetical order..
all callsignsv 22017rtty