| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C C | CR7ACS | 115 | 34.95 % | | 162 | 32.73 % | | | 2 | C C D C C | DF3IR | 108 | 32.83 % | | 161 | 32.53 % | | | 3 | C C D C | EU5M | 42 | 12.77 % | | 74 | 14.95 % | | | 4 | C D C C C | F4EUN | 18 | 5.47 % | | 31 | 6.26 % | | | 5 | C D C C | F3MB | 13 | 3.95 % | | 20 | 4.04 % | | | 6 | C D D C | S58A | 7 | 2.13 % | | 11 | 2.22 % | | | 7 | C D D C C | E73PY | 6 | 1.82 % | | 7 | 1.41 % | | | 8 | D C D C C | 4Z5TK | 5 | 1.52 % | | 8 | 1.62 % | | | 9 | D C D C | 3Z5W | 4 | 1.22 % | | 6 | 1.21 % | | | 10 | C D C C C / D | I2WIJ/1 | 2 | 0.61 % | | 3 | 0.61 % | | | 11 | C C D D C C | RP67TV | 2 | 0.61 % | | 2 | 0.40 % | | | 12 | C C D C C C / D | IZ8JFL/1 | 2 | 0.61 % | | 5 | 1.01 % | | | 13 | D C D D D C | 9A207T | 1 | 0.30 % | | 1 | 0.20 % | | | 14 | D C D C C C | 9M6YBG | 1 | 0.30 % | | 1 | 0.20 % | | | 15 | C C D D C | PA73N | 1 | 0.30 % | | 1 | 0.20 % | | | 16 | C C D C C / D | EU1DZ/6 | 1 | 0.30 % | | 1 | 0.20 % | | | 17 | C D C C C / C C C | I3JSS/QRP | 1 | 0.30 % | | 1 | 0.20 % | |
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