| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | DF8AE | 50 | 36.23 % | | 59 | 35.76 % | | | 2 | C C D C C C | DL1AKP | 35 | 25.36 % | | 39 | 23.64 % | | | 3 | C C D C | HG3M | 25 | 18.12 % | | 32 | 19.39 % | | | 4 | C D C C | E7RS | 13 | 9.42 % | | 18 | 10.91 % | | | 5 | C D C C C | F6DZS | 8 | 5.80 % | | 10 | 6.06 % | | | 6 | C C D D D C | HF700S | 2 | 1.45 % | | 2 | 1.21 % | | | 7 | D C D C C | 4Z5ML | 2 | 1.45 % | | 2 | 1.21 % | | | 8 | D C / C C D C C | 5B/RN3QO | 1 | 0.72 % | | 1 | 0.61 % | | | 9 | D C D C | 9A5V | 1 | 0.72 % | | 1 | 0.61 % | | | 10 | C D D D C | Z320R | 1 | 0.72 % | | 1 | 0.61 % | |
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