| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | CR2AA | 153 | 37.14 % | | 197 | 33.73 % | | | 2 | C C D C | AL9A | 96 | 23.30 % | | 164 | 28.08 % | | | 3 | C C D C C C | DL1ARJ | 76 | 18.45 % | | 101 | 17.29 % | | | 4 | C D C C | F5IN | 38 | 9.22 % | | 60 | 10.27 % | | | 5 | C D C C C | F4EUN | 12 | 2.91 % | | 17 | 2.91 % | | | 6 | C D D C C | A65BD | 8 | 1.94 % | | 9 | 1.54 % | | | 7 | D C D C C | 4Z4DX | 7 | 1.70 % | | 9 | 1.54 % | | | 8 | C D D C | S55Z | 5 | 1.21 % | | 7 | 1.20 % | | | 9 | D C D C | 3Z5W | 4 | 0.97 % | | 5 | 0.86 % | | | 10 | C D D C C C | E73EDL | 2 | 0.49 % | | 2 | 0.34 % | | | 11 | C C D C C C / D | RA9UIV/9 | 2 | 0.49 % | | 2 | 0.34 % | | | 12 | C C D C C / D | LZ1QN/1 | 2 | 0.49 % | | 2 | 0.34 % | | | 13 | C C / C C D C C C | RA/SM6LRR | 2 | 0.49 % | | 2 | 0.34 % | | | 14 | D C / C C D C C C | 4O/OK1IEC | 1 | 0.24 % | | 1 | 0.17 % | | | 15 | C C D D D D C C | LZ2012KM | 1 | 0.24 % | | 1 | 0.17 % | | | 16 | C C / C C D C C | HB/RN3QO | 1 | 0.24 % | | 3 | 0.51 % | | | 17 | C C D D C C | EO67JP | 1 | 0.24 % | | 1 | 0.17 % | | | 18 | C C D C C C / C | UA9YRQ/P | 1 | 0.24 % | | 1 | 0.17 % | |
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