| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C D C C C | F1EST | 100 | 62.50 % | | 126 | 62.38 % | | | 2 | C C D C C | DF5EN | 22 | 13.75 % | | 27 | 13.37 % | | | 3 | C C D C C C | DL0GEL | 19 | 11.88 % | | 21 | 10.40 % | | | 4 | C C D C | DM7X | 11 | 6.88 % | | 15 | 7.43 % | | | 5 | C D C C | F5HB | 5 | 3.13 % | | 7 | 3.47 % | | | 6 | C D D C | E72U | 1 | 0.63 % | | 1 | 0.50 % | | | 7 | D C D C C | 4X6FR | 1 | 0.63 % | | 1 | 0.50 % | | | 8 | C D C C C / C | F5RGY/P | 1 | 0.63 % | | 2 | 0.99 % | |
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