| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | DF3OL | 185 | 36.35 % | | 245 | 35.98 % | | | 2 | C C D C C C | CT1BOH | 131 | 25.74 % | | 154 | 22.61 % | | | 3 | C C D C | AT2A | 81 | 15.91 % | | 131 | 19.24 % | | | 4 | C D C C | D1WW | 46 | 9.04 % | | 57 | 8.37 % | | | 5 | C D C C C | F5ICC | 33 | 6.48 % | | 40 | 5.87 % | | | 6 | D C D C C | 4X6FR | 10 | 1.96 % | | 14 | 2.06 % | | | 7 | C D C | D1M | 8 | 1.57 % | | 15 | 2.20 % | | | 8 | C D D C | E74O | 5 | 0.98 % | | 8 | 1.17 % | | | 9 | C D D C C | S53EO | 3 | 0.59 % | | 4 | 0.59 % | | | 10 | D C D C | 9A5Y | 2 | 0.39 % | | 4 | 0.59 % | | | 11 | C C D D C C C | DJ50MUC | 2 | 0.39 % | | 3 | 0.44 % | | | 12 | D C D C C C | 9A1CFR | 2 | 0.39 % | | 5 | 0.73 % | | | 13 | C C D / C C D C C C | HB0/SP2FOV | 1 | 0.20 % | | 1 | 0.15 % | |
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