| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | AK1MD | 133 | 38.78 % | | 219 | 38.22 % | | | 2 | C C D C C C | CT1DRB | 82 | 23.91 % | | 127 | 22.16 % | | | 3 | C C D C | EA1X | 61 | 17.78 % | | 126 | 21.99 % | | | 4 | C D C C C | F5PHY | 23 | 6.71 % | | 30 | 5.24 % | | | 5 | C D C C | E7AA | 16 | 4.66 % | | 28 | 4.89 % | | | 6 | C D D C | S52W | 6 | 1.75 % | | 9 | 1.57 % | | | 7 | C D C | M1X | 4 | 1.17 % | | 9 | 1.57 % | | | 8 | C D D C C | E74YM | 3 | 0.87 % | | 3 | 0.52 % | | | 9 | D C D C C | 4X1ST | 3 | 0.87 % | | 5 | 0.87 % | | | 10 | D C D C C C | 2E0CVN | 2 | 0.58 % | | 2 | 0.35 % | | | 11 | C C D C C C / D | IK2ULV/1 | 2 | 0.58 % | | 3 | 0.52 % | | | 12 | D C D C | 9A9O | 1 | 0.29 % | | 1 | 0.17 % | | | 13 | C D C C C / C | F6GNP/M | 1 | 0.29 % | | 1 | 0.17 % | | | 14 | C C D D D C C C | DL100ANA | 1 | 0.29 % | | 1 | 0.17 % | | | 15 | C C D D C C C | LZ73TRC | 1 | 0.29 % | | 2 | 0.35 % | | | 16 | C C D C C / C C C | DL4MD/QRP | 1 | 0.29 % | | 1 | 0.17 % | | | 17 | C C D C C C / C | DL7USW/P | 1 | 0.29 % | | 2 | 0.35 % | | | 18 | C C / C C D C C | SM/OH2KW | 1 | 0.29 % | | 1 | 0.17 % | | | 19 | C C D D D D C C | YU1924RB | 1 | 0.29 % | | 1 | 0.17 % | |
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