| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | DK4SR | 48 | 31.79 % | | 56 | 32.37 % | | | 2 | C C D C C C | DL1NKS | 41 | 27.15 % | | 48 | 27.75 % | | | 3 | C C D C | CR5U | 29 | 19.21 % | | 34 | 19.65 % | | | 4 | C D C C | F5IN | 12 | 7.95 % | | 13 | 7.51 % | | | 5 | C D C C C | F5OZC | 7 | 4.64 % | | 7 | 4.05 % | | | 6 | C D D C C | S51DX | 3 | 1.99 % | | 3 | 1.73 % | | | 7 | D C D C C | 9A3SM | 2 | 1.32 % | | 2 | 1.16 % | | | 8 | C D C | M0P | 2 | 1.32 % | | 3 | 1.73 % | | | 9 | C D D C | Z35F | 2 | 1.32 % | | 2 | 1.16 % | | | 10 | C D D C C C | E71EEE | 1 | 0.66 % | | 1 | 0.58 % | | | 11 | C C D C C / C | DF6FM/M | 1 | 0.66 % | | 1 | 0.58 % | | | 12 | C C / C D C C | EI/W5GN | 1 | 0.66 % | | 1 | 0.58 % | | | 13 | C C D C C / D | SP9RI/7 | 1 | 0.66 % | | 1 | 0.58 % | | | 14 | C C D / C D D C / C | SV2/S56A/P | 1 | 0.66 % | | 1 | 0.58 % | |
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