| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C | AA1K | 180 | 40.45 % | | 220 | 42.88 % | | | 2 | C C D C C | AB3CX | 107 | 24.04 % | | 114 | 22.22 % | | | 3 | C C D C C C | CT1DJE | 61 | 13.71 % | | 62 | 12.09 % | | | 4 | C D C C | K0KX | 49 | 11.01 % | | 60 | 11.70 % | | | 5 | C D D C | C44C | 19 | 4.27 % | | 22 | 4.29 % | | | 6 | C D D C C | A45WH | 10 | 2.25 % | | 10 | 1.95 % | | | 7 | C D C C C | F5VBT | 8 | 1.80 % | | 11 | 2.14 % | | | 8 | D C D C | 4X2M | 5 | 1.12 % | | 8 | 1.56 % | | | 9 | C D C | C4Z | 2 | 0.45 % | | 2 | 0.39 % | | | 10 | D C D C C | 3V8SS | 2 | 0.45 % | | 2 | 0.39 % | | | 11 | C C D C C / C | HA8FY/P | 1 | 0.22 % | | 1 | 0.19 % | | | 12 | C C D C D D C C C C C C OM2O15TITANIC | 1 | 0.22 % | | 1 | 0.19 % | | |
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