| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | EI3KG | 40 | 43.01 % | | 42 | 43.30 % | | | 2 | C C D C C C | GM0WED | 20 | 21.51 % | | 21 | 21.65 % | | | 3 | C C D C | EU5C | 19 | 20.43 % | | 20 | 20.62 % | | | 4 | C D C C | R3KQ | 4 | 4.30 % | | 4 | 4.12 % | | | 5 | C D C C C | F5OZC | 3 | 3.23 % | | 3 | 3.09 % | | | 6 | C D D C | E77W | 3 | 3.23 % | | 3 | 3.09 % | | | 7 | D C D C C | 4O4SM | 2 | 2.15 % | | 2 | 2.06 % | | | 8 | C D C C C / C | G3ILO/P | 1 | 1.08 % | | 1 | 1.03 % | | | 9 | C D D C C | S53EO | 1 | 1.08 % | | 1 | 1.03 % | |
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