| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C | EV1R | 19 | 31.67 % | | 20 | 32.79 % | | | 2 | C C D C C C | DL5KBO | 13 | 21.67 % | | 13 | 21.31 % | | | 3 | C C D C C | EU6DX | 11 | 18.33 % | | 11 | 18.03 % | | | 4 | C D C C C | F5MAI | 6 | 10.00 % | | 6 | 9.84 % | | | 5 | C D C C | K1RX | 4 | 6.67 % | | 4 | 6.56 % | | | 6 | C D C | G3L | 3 | 5.00 % | | 3 | 4.92 % | | | 7 | D C D C C | 4X1VF | 2 | 3.33 % | | 2 | 3.28 % | | | 8 | C D D C | E77W | 1 | 1.67 % | | 1 | 1.64 % | | | 9 | C C / C C D C C C | SP/DJ1YFJ | 1 | 1.67 % | | 1 | 1.64 % | |
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