| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C C | EA3IND | 208 | 39.54 % | | 210 | 38.46 % | | | 2 | C D C C C | K0ING | 160 | 30.42 % | | 162 | 29.67 % | | | 3 | C C D C C | AB4DH | 65 | 12.36 % | | 67 | 12.27 % | | | 4 | C C D C | AA3R | 50 | 9.51 % | | 51 | 9.34 % | | | 5 | C D C C | K0SV | 40 | 7.60 % | | 42 | 7.69 % | | | 6 | D C D C C | 8P6NW | 1 | 0.19 % | | 1 | 0.18 % | | | 7 | D C D C C C | 2E0JRS | 1 | 0.19 % | | 1 | 0.18 % | | | 8 | C D D C C C | C93JRH | 1 | 0.19 % | | 1 | 0.18 % | |
|