| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C D C C C | K0ARF | 369 | 37.69 % | | 393 | 35.41 % | | | 2 | C C D C C C | DL5RBW | 188 | 19.20 % | | 192 | 17.30 % | | | 3 | C D C C | K0EG | 182 | 18.59 % | | 205 | 18.47 % | | | 4 | C C D C C | AA2BJ | 119 | 12.16 % | | 125 | 11.26 % | | | 5 | C C D C | AA5R | 83 | 8.48 % | | 84 | 7.57 % | | | 6 | C D C | K1B | 36 | 3.68 % | | 43 | 3.87 % | | | 7 | C D D C C | K30MT | 1 | 0.10 % | | 1 | 0.09 % | | | 8 | C D C C C D C C C | W2LVK3MJW | 1 | 0.10 % | | 1 | 0.09 % | |
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