| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C C | EA2BRU | 11 | 47.83 % | | 11 | 45.83 % | | | 2 | C C D C C | DL7WI | 7 | 30.43 % | | 8 | 33.33 % | | | 3 | D C D C C C | 9A3FBB | 1 | 4.35 % | | 1 | 4.17 % | | | 4 | D C D C C | 3Z9AM | 1 | 4.35 % | | 1 | 4.17 % | | | 5 | C D C C C | G0MJS | 1 | 4.35 % | | 1 | 4.17 % | | | 6 | C D D C C C | S57MHR | 1 | 4.35 % | | 1 | 4.17 % | | | 7 | C C D C | SN0L | 1 | 4.35 % | | 1 | 4.17 % | |
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