| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C C | DL3DXX | 311 | 32.60 % | | 324 | 29.48 % | | | 2 | C D C C C | F4AIF | 278 | 29.14 % | | 293 | 26.66 % | | | 3 | C D C C | K0AD | 127 | 13.31 % | | 156 | 14.19 % | | | 4 | C C D C C | AA0AO | 112 | 11.74 % | | 119 | 10.83 % | | | 5 | C C D C | AA2U | 100 | 10.48 % | | 120 | 10.92 % | | | 6 | C D C | K5B | 11 | 1.15 % | | 11 | 1.00 % | | | 7 | C D C C C / C | K0MEZ/M | 4 | 0.42 % | | 4 | 0.36 % | | | 8 | C C D C C / C | AA4NP/M | 2 | 0.21 % | | 2 | 0.18 % | | | 9 | C C D C C C / C | KC9JCH/M | 2 | 0.21 % | | 2 | 0.18 % | | | 10 | C C D C / C | KD5S/M | 2 | 0.21 % | | 2 | 0.18 % | | | 11 | C C D C C C / C C D | KC1WPI/VE2 | 1 | 0.10 % | | 1 | 0.09 % | | | 12 | C C D C C / D | KE9TP/7 | 1 | 0.10 % | | 1 | 0.09 % | | | 13 | C D C C / C | N9CZ/M | 1 | 0.10 % | | 1 | 0.09 % | | | 14 | C D C C C / D | N9EVP/0 | 1 | 0.10 % | | 1 | 0.09 % | | | 15 | C C D C / D | WZ8T/7 | 1 | 0.10 % | | 1 | 0.09 % | |
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