| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C C | DL3DXX | 4 | 30.77 % | | 4 | 30.77 % | | | 2 | C C D C | AA2U | 3 | 23.08 % | | 3 | 23.08 % | | | 3 | C C D C C | AE7XI | 2 | 15.38 % | | 2 | 15.38 % | | | 4 | C D C C | N6TQ | 2 | 15.38 % | | 2 | 15.38 % | | | 5 | C D C C C | N7EPD | 2 | 15.38 % | | 2 | 15.38 % | |
|