| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C | DM6V | 8 | 42.11 % | | 8 | 42.11 % | | | 2 | C C D C C | CN2CO | 3 | 15.79 % | | 3 | 15.79 % | | | 3 | C D D C | S52C | 3 | 15.79 % | | 3 | 15.79 % | | | 4 | C D C C C | F5OHM | 2 | 10.53 % | | 2 | 10.53 % | | | 5 | D C D C | 4U1A | 2 | 10.53 % | | 2 | 10.53 % | | | 6 | C D D C C | S57DX | 1 | 5.26 % | | 1 | 5.26 % | |
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