| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C C | EA3IND | 432 | 40.07 % | | 432 | 37.40 % | | | 2 | C D C C C | K0ING | 307 | 28.48 % | | 307 | 26.58 % | | | 3 | C C D C C | AA0AM | 139 | 12.89 % | | 140 | 12.12 % | | | 4 | C C D C | AA3R | 92 | 8.53 % | | 92 | 7.97 % | | | 5 | C D C C | K0RC | 89 | 8.26 % | | 89 | 7.71 % | | | 6 | C D C | K1E | 3 | 0.28 % | | 3 | 0.26 % | | | 7 | C C D C / C | KR4S/M | 3 | 0.28 % | | 3 | 0.26 % | | | 8 | C C D C C C / C | KD9YHP/M | 3 | 0.28 % | | 3 | 0.26 % | | | 9 | C D C C / C | K2AA/R | 3 | 0.28 % | | 3 | 0.26 % | | | 10 | C D C C C / C | K8DRT/M | 3 | 0.28 % | | 3 | 0.26 % | | | 11 | C C D C C / C | KI7EN/M | 2 | 0.19 % | | 2 | 0.17 % | | | 12 | D C D C C | 8P6NW | 1 | 0.09 % | | 1 | 0.09 % | | | 13 | D C D C C C | 2E0JRS | 1 | 0.09 % | | 1 | 0.09 % | |
|