| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C | CN3A | 25 | 40.32 % | | 25 | 39.68 % | | | 2 | C C D C C | DF0HQ | 19 | 30.65 % | | 19 | 30.16 % | | | 3 | D C D C | 3Z1K | 3 | 4.84 % | | 3 | 4.76 % | | | 4 | C C D C C C | HA1DAE | 3 | 4.84 % | | 3 | 4.76 % | | | 5 | C D C | G3V | 3 | 4.84 % | | 4 | 6.35 % | | | 6 | C D C C | K8AZ | 3 | 4.84 % | | 3 | 4.76 % | | | 7 | D C D C C | 4X6FR | 2 | 3.23 % | | 2 | 3.17 % | | | 8 | C D D C | P33W | 2 | 3.23 % | | 2 | 3.17 % | | | 9 | C D D C C | S52AW | 1 | 1.61 % | | 1 | 1.59 % | | | 10 | C D D C C C | S59ABC | 1 | 1.61 % | | 1 | 1.59 % | |
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