| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | AB3CX | 81 | 38.03 % | | 114 | 40.14 % | | | 2 | C C D C | EU8F | 53 | 24.88 % | | 80 | 28.17 % | | | 3 | C C D C C C | CR7AJL | 41 | 19.25 % | | 48 | 16.90 % | | | 4 | C D C C | F5IN | 23 | 10.80 % | | 24 | 8.45 % | | | 5 | C D C C C | F5NBX | 10 | 4.69 % | | 12 | 4.23 % | | | 6 | D C D C C | 4Z5KO | 2 | 0.94 % | | 3 | 1.06 % | | | 7 | C D D C | S53F | 2 | 0.94 % | | 2 | 0.70 % | | | 8 | C D D C C | S58MU | 1 | 0.47 % | | 1 | 0.35 % | |
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