| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | DC9ZP | 67 | 35.26 % | | 76 | 31.80 % | | | 2 | C C D C | HA6P | 56 | 29.47 % | | 81 | 33.89 % | | | 3 | C C D C C C | DG0OKW | 36 | 18.95 % | | 43 | 17.99 % | | | 4 | C D C C | F5IN | 8 | 4.21 % | | 11 | 4.60 % | | | 5 | C D C C C | F1AKK | 7 | 3.68 % | | 7 | 2.93 % | | | 6 | C D D C | E74Y | 6 | 3.16 % | | 9 | 3.77 % | | | 7 | C D D C C | S53MM | 3 | 1.58 % | | 3 | 1.26 % | | | 8 | C D C | G3U | 2 | 1.05 % | | 2 | 0.84 % | | | 9 | D C D C | 4O3A | 2 | 1.05 % | | 4 | 1.67 % | | | 10 | D C D C C | 9A3VM | 1 | 0.53 % | | 1 | 0.42 % | | | 11 | D C / C D D C C | 9A/S53AR | 1 | 0.53 % | | 1 | 0.42 % | | | 12 | C C D C C / C C C | YU2LM/QRP | 1 | 0.53 % | | 1 | 0.42 % | |
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