| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | DF6RI | 46 | 46.00 % | | 46 | 46.00 % | | | 2 | C C D C | DQ6Q | 34 | 34.00 % | | 34 | 34.00 % | | | 3 | C C D C C C | DL5AXX | 12 | 12.00 % | | 12 | 12.00 % | | | 4 | C D C C C | G3RSD | 3 | 3.00 % | | 3 | 3.00 % | | | 5 | C D D C C | S51YI | 3 | 3.00 % | | 3 | 3.00 % | | | 6 | C D C C | R1DX | 2 | 2.00 % | | 2 | 2.00 % | |
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