| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C | AI2N | 301 | 30.94 % | | 457 | 35.02 % | | | 2 | C C D C C | DB0RC | 267 | 27.44 % | | 322 | 24.67 % | | | 3 | C C D C C C | CO6YAC | 152 | 15.62 % | | 165 | 12.64 % | | | 4 | C D C C | E7DX | 121 | 12.44 % | | 196 | 15.02 % | | | 5 | C D C C C | C6AQQ | 45 | 4.62 % | | 55 | 4.21 % | | | 6 | C D D C | E73M | 29 | 2.98 % | | 36 | 2.76 % | | | 7 | D C D C | 3Z5W | 13 | 1.34 % | | 17 | 1.30 % | | | 8 | C D D C C | A45XR | 12 | 1.23 % | | 16 | 1.23 % | | | 9 | C D C | B1Z | 11 | 1.13 % | | 14 | 1.07 % | | | 10 | D C D C C | 3V8SS | 8 | 0.82 % | | 8 | 0.61 % | | | 11 | C C D / C D C C | CT8/W1NN | 2 | 0.21 % | | 3 | 0.23 % | | | 12 | D C / C C D C | 5B/RT7M | 1 | 0.10 % | | 1 | 0.08 % | | | 13 | D C D C C C | 9A1CCB | 1 | 0.10 % | | 1 | 0.08 % | | | 14 | C C D D D | BV100 | 1 | 0.10 % | | 1 | 0.08 % | | | 15 | C C D D C C C | DL60ZBN | 1 | 0.10 % | | 1 | 0.08 % | | | 16 | D C / C D C C C | 5B/G4IRN | 1 | 0.10 % | | 1 | 0.08 % | | | 17 | C D D C C C | E71AVW | 1 | 0.10 % | | 1 | 0.08 % | | | 18 | C C D D C C C C | DR15ZBAY | 1 | 0.10 % | | 1 | 0.08 % | | | 19 | D C / C C D C C | 4X/UT7DK | 1 | 0.10 % | | 1 | 0.08 % | | | 20 | C C D C C C C C | HB9STEVE | 1 | 0.10 % | | 2 | 0.15 % | | | 21 | C C D C C C / D | IK3UNA/1 | 1 | 0.10 % | | 1 | 0.08 % | | | 22 | C C D D C C | OL60DG | 1 | 0.10 % | | 3 | 0.23 % | | | 23 | C C D C / C D C C C | VP2V/N3DXX | 1 | 0.10 % | | 2 | 0.15 % | |
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