| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | DJ0YI | 46 | 35.38 % | | 52 | 33.55 % | | | 2 | C C D C | EU6A | 34 | 26.15 % | | 46 | 29.68 % | | | 3 | C C D C C C | DL2MIH | 30 | 23.08 % | | 36 | 23.23 % | | | 4 | C D C C | F5IN | 8 | 6.15 % | | 8 | 5.16 % | | | 5 | C D C C C | F6HKA | 5 | 3.85 % | | 6 | 3.87 % | | | 6 | C C D D C | OF10A | 3 | 2.31 % | | 3 | 1.94 % | | | 7 | D C D C | 4X0A | 1 | 0.77 % | | 1 | 0.65 % | | | 8 | C C D D C C C | EI33WAW | 1 | 0.77 % | | 1 | 0.65 % | | | 9 | C D D C C | S51DX | 1 | 0.77 % | | 1 | 0.65 % | | | 10 | C D C | Z3Y | 1 | 0.77 % | | 1 | 0.65 % | |
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