| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C | AD3Z | 152 | 33.93 % | | 186 | 35.77 % | | | 2 | C C D C C | BY5CD | 127 | 28.35 % | | 145 | 27.88 % | | | 3 | C C D C C C | DH8BQA | 82 | 18.30 % | | 87 | 16.73 % | | | 4 | C D C C | F5IN | 35 | 7.81 % | | 39 | 7.50 % | | | 5 | C D C C C | F5NBX | 13 | 2.90 % | | 16 | 3.08 % | | | 6 | C D D C | E70T | 11 | 2.46 % | | 12 | 2.31 % | | | 7 | C D D C C | A65BP | 9 | 2.01 % | | 10 | 1.92 % | | | 8 | D C D C C | 3V8SS | 6 | 1.34 % | | 9 | 1.73 % | | | 9 | D C D C | 3Z5W | 5 | 1.12 % | | 5 | 0.96 % | | | 10 | C D C | G1N | 3 | 0.67 % | | 3 | 0.58 % | | | 11 | D C / C C D C C | 4X/UT7DK | 1 | 0.22 % | | 2 | 0.38 % | | | 12 | D C D C C C | 4U1GSC | 1 | 0.22 % | | 2 | 0.38 % | | | 13 | C C D D C C C C | EI80IRTS | 1 | 0.22 % | | 1 | 0.19 % | | | 14 | C C D D D C C | LZ134GO | 1 | 0.22 % | | 1 | 0.19 % | | | 15 | C D D C C C | S59ABC | 1 | 0.22 % | | 2 | 0.38 % | |
|