| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | EK3GM | 54 | 44.63 % | | 71 | 44.94 % | | | 2 | C C D C | EX2U | 25 | 20.66 % | | 34 | 21.52 % | | | 3 | C C D C C C | EA4AOC | 22 | 18.18 % | | 27 | 17.09 % | | | 4 | C D C C | F5IN | 10 | 8.26 % | | 14 | 8.86 % | | | 5 | C D C C C | F6HKA | 5 | 4.13 % | | 5 | 3.16 % | | | 6 | D C D C | 9A4U | 2 | 1.65 % | | 3 | 1.90 % | | | 7 | C C D / C C D C C | EA8/OH2OT | 1 | 0.83 % | | 1 | 0.63 % | | | 8 | C C D D C C | RA22XF | 1 | 0.83 % | | 1 | 0.63 % | | | 9 | C C D C C C C | UP0KEDR | 1 | 0.83 % | | 2 | 1.27 % | |
|