| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C C | DL3DXX | 213 | 31.56 % | | 217 | 29.40 % | | | 2 | C D C C C | F4AIF | 203 | 30.07 % | | 209 | 28.32 % | | | 3 | C D C C | K0AD | 87 | 12.89 % | | 98 | 13.28 % | | | 4 | C C D C C | AA0AO | 87 | 12.89 % | | 89 | 12.06 % | | | 5 | C C D C | AA7K | 66 | 9.78 % | | 73 | 9.89 % | | | 6 | C D C | N9F | 7 | 1.04 % | | 7 | 0.95 % | | | 7 | C C D C C / C | AA4NP/M | 2 | 0.30 % | | 2 | 0.27 % | | | 8 | C D C C C / C | K5DVW/M | 2 | 0.30 % | | 2 | 0.27 % | | | 9 | C C D C C C / C | KC9JCH/M | 2 | 0.30 % | | 2 | 0.27 % | | | 10 | C C D C C / D | KE9TP/7 | 1 | 0.15 % | | 1 | 0.14 % | | | 11 | C C D C C C / C C D | KC1WPI/VE2 | 1 | 0.15 % | | 1 | 0.14 % | | | 12 | C D C C / C | N9CZ/M | 1 | 0.15 % | | 1 | 0.14 % | | | 13 | C D C C C / D | N9EVP/0 | 1 | 0.15 % | | 1 | 0.14 % | | | 14 | C C D C / C | KU1V/P | 1 | 0.15 % | | 1 | 0.14 % | | | 15 | C C D C / D | WZ8T/7 | 1 | 0.15 % | | 1 | 0.14 % | |
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