| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | DF1MM | 19 | 34.55 % | | 19 | 32.20 % | | | 2 | C C D C | GM4X | 17 | 30.91 % | | 21 | 35.59 % | | | 3 | C C D C C C | IT9RZU | 9 | 16.36 % | | 9 | 15.25 % | | | 4 | C D C C | F5IN | 7 | 12.73 % | | 7 | 11.86 % | | | 5 | D C D C C | 9A1AA | 1 | 1.82 % | | 1 | 1.69 % | | | 6 | D C D C | 9A5Y | 1 | 1.82 % | | 1 | 1.69 % | | | 7 | C D C | P3N | 1 | 1.82 % | | 1 | 1.69 % | |
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