| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | DF1MM | 79 | 37.44 % | | 102 | 35.92 % | | | 2 | C C D C | EU5C | 51 | 24.17 % | | 80 | 28.17 % | | | 3 | C C D C C C | CR7AJL | 44 | 20.85 % | | 57 | 20.07 % | | | 4 | C D C C | F5IN | 13 | 6.16 % | | 18 | 6.34 % | | | 5 | C D C C C | F5OZC | 8 | 3.79 % | | 10 | 3.52 % | | | 6 | D C D C C | 4O4SM | 3 | 1.42 % | | 3 | 1.06 % | | | 7 | C D D C C | S51DX | 3 | 1.42 % | | 3 | 1.06 % | | | 8 | C D D C | S56A | 3 | 1.42 % | | 3 | 1.06 % | | | 9 | C C D D C C C C | DJ90IARU | 1 | 0.47 % | | 1 | 0.35 % | | | 10 | D C D C | 9A8W | 1 | 0.47 % | | 1 | 0.35 % | | | 11 | C C D C C C / D | IZ8JFL/1 | 1 | 0.47 % | | 1 | 0.35 % | | | 12 | C C D D C C | RG61PP | 1 | 0.47 % | | 2 | 0.70 % | | | 13 | C C / C C D C C | DL/SP3CW | 1 | 0.47 % | | 1 | 0.35 % | | | 14 | C C D D C C C C / D | EG90IARU/1 | 1 | 0.47 % | | 1 | 0.35 % | | | 15 | C C D C C / C C C | YU1LM/QRP | 1 | 0.47 % | | 1 | 0.35 % | |
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