| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C | AH2R | 68 | 36.36 % | | 95 | 39.09 % | | | 2 | C C D C C C | DH8BQA | 50 | 26.74 % | | 66 | 27.16 % | | | 3 | C C D C C | BD7IS | 42 | 22.46 % | | 48 | 19.75 % | | | 4 | C D C C | R0AK | 6 | 3.21 % | | 8 | 3.29 % | | | 5 | C D D C | J42L | 5 | 2.67 % | | 6 | 2.47 % | | | 6 | D C D C C | 9A9RR | 3 | 1.60 % | | 3 | 1.23 % | | | 7 | C D D C C C | E20WUE | 3 | 1.60 % | | 3 | 1.23 % | | | 8 | C D C | B7P | 2 | 1.07 % | | 2 | 0.82 % | | | 9 | C D D C C | E27EK | 2 | 1.07 % | | 2 | 0.82 % | | | 10 | D C D C | 4E1A | 2 | 1.07 % | | 2 | 0.82 % | | | 11 | D C D C C C | 9M2FUL | 2 | 1.07 % | | 3 | 1.23 % | | | 12 | C C D D C | BV30R | 1 | 0.53 % | | 3 | 1.23 % | | | 13 | C C D C / D | BV2A/3 | 1 | 0.53 % | | 2 | 0.82 % | |
|