| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C | AA1K | 288 | 39.89 % | | 468 | 44.03 % | | | 2 | C C D C C | AA1ON | 170 | 23.55 % | | 222 | 20.88 % | | | 3 | C D C C | E7CW | 96 | 13.30 % | | 159 | 14.96 % | | | 4 | C C D C C C | BG0DLA | 77 | 10.66 % | | 84 | 7.90 % | | | 5 | C D D C | E73B | 22 | 3.05 % | | 35 | 3.29 % | | | 6 | C D C C C | F4BIT | 21 | 2.91 % | | 30 | 2.82 % | | | 7 | D C D C | 3B8M | 12 | 1.66 % | | 23 | 2.16 % | | | 8 | C D D C C | E75BO | 10 | 1.39 % | | 11 | 1.03 % | | | 9 | D C D C C | 3B9KW | 9 | 1.25 % | | 10 | 0.94 % | | | 10 | C D C | C4W | 8 | 1.11 % | | 12 | 1.13 % | | | 11 | D C D C C C | 9A1CCY | 2 | 0.28 % | | 2 | 0.19 % | | | 12 | C C D D C C C C C | DL39EUDXF | 2 | 0.28 % | | 2 | 0.19 % | | | 13 | D C D D D C | 9A925T | 1 | 0.14 % | | 1 | 0.09 % | | | 14 | C C D D C C C | HG60IPA | 1 | 0.14 % | | 1 | 0.09 % | | | 15 | C C / C C D C C | OM/UT2WW | 1 | 0.14 % | | 1 | 0.09 % | | | 16 | C C D / C C D C C | TI5/VA3RA | 1 | 0.14 % | | 1 | 0.09 % | | | 17 | C C D D C | TM29X | 1 | 0.14 % | | 1 | 0.09 % | |
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