| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | DJ3CQ | 47 | 32.64 % | | 47 | 32.19 % | | | 2 | C C D C C C | DL1ARJ | 45 | 31.25 % | | 46 | 31.51 % | | | 3 | C C D C | DD3D | 26 | 18.06 % | | 26 | 17.81 % | | | 4 | C D C C C | G2HDR | 13 | 9.03 % | | 13 | 8.90 % | | | 5 | C D C C | F5IN | 3 | 2.08 % | | 4 | 2.74 % | | | 6 | D C D C | 9A4U | 2 | 1.39 % | | 2 | 1.37 % | | | 7 | D C D C C | 9A3BJ | 2 | 1.39 % | | 2 | 1.37 % | | | 8 | D C D C C C | 9A1CFR | 1 | 0.69 % | | 1 | 0.68 % | | | 9 | C C / C C D C C C | DL/HA9DMD | 1 | 0.69 % | | 1 | 0.68 % | | | 10 | C C D C C C / D | IK3UNA/1 | 1 | 0.69 % | | 1 | 0.68 % | | | 11 | C C D C C / C | IQ5HC/P | 1 | 0.69 % | | 1 | 0.68 % | | | 12 | C D D C C | S51DX | 1 | 0.69 % | | 1 | 0.68 % | | | 13 | C C D D D C C | SN150AW | 1 | 0.69 % | | 1 | 0.68 % | |
|