| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | AC6ZM | 169 | 30.23 % | | 240 | 29.67 % | | | 2 | C C D C C C | CT1ELZ | 168 | 30.05 % | | 217 | 26.82 % | | | 3 | C C D C | AE6O | 80 | 14.31 % | | 139 | 17.18 % | | | 4 | C D C C | F5FJ | 50 | 8.94 % | | 72 | 8.90 % | | | 5 | C D C C C | F4GBW | 38 | 6.80 % | | 50 | 6.18 % | | | 6 | C D D C | E70Y | 14 | 2.50 % | | 22 | 2.72 % | | | 7 | D C D C C | 4K6FO | 11 | 1.97 % | | 13 | 1.61 % | | | 8 | C D D C C | E74VS | 8 | 1.43 % | | 8 | 0.99 % | | | 9 | C D C | G0H | 6 | 1.07 % | | 16 | 1.98 % | | | 10 | D C D C | 3Z0X | 2 | 0.36 % | | 3 | 0.37 % | | | 11 | D C D C C C | 2E0CVN | 2 | 0.36 % | | 3 | 0.37 % | | | 12 | D C D D C | 9A30T | 1 | 0.18 % | | 3 | 0.37 % | | | 13 | D C D D C C | 7K44PV | 1 | 0.18 % | | 1 | 0.12 % | | | 14 | C C D C C C / C | DL7USW/P | 1 | 0.18 % | | 2 | 0.25 % | | | 15 | C C / C C D C C | ER/UT1ZZ | 1 | 0.18 % | | 1 | 0.12 % | | | 16 | C / C C D C C C / C | F/ON4LEX/P | 1 | 0.18 % | | 1 | 0.12 % | | | 17 | C / C C D C C | F/PA3AM | 1 | 0.18 % | | 1 | 0.12 % | | | 18 | C D C C C / C | F6GNP/M | 1 | 0.18 % | | 2 | 0.25 % | | | 19 | C C D D C C C | DK65ERD | 1 | 0.18 % | | 1 | 0.12 % | | | 20 | C C D C C C / D | IK1SOW/8 | 1 | 0.18 % | | 1 | 0.12 % | | | 21 | C C D C / C | LY2H/P | 1 | 0.18 % | | 1 | 0.12 % | | | 22 | C C D / C C D C C | YO8/LZ4UU | 1 | 0.18 % | | 1 | 0.12 % | |
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