| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
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| 1 | C C D C C | BD3MH | 204 | 32.80 % | | 247 | 29.40 % | | | 2 | C C D C | CF3A | 183 | 29.42 % | | 280 | 33.33 % | | | 3 | C C D C C C | DF1LON | 127 | 20.42 % | | 155 | 18.45 % | | | 4 | C D C C | E7DX | 52 | 8.36 % | | 77 | 9.17 % | | | 5 | C D C C C | F5PBM | 14 | 2.25 % | | 17 | 2.02 % | | | 6 | D C D C | 3Z5W | 11 | 1.77 % | | 18 | 2.14 % | | | 7 | C D D C | E74A | 9 | 1.45 % | | 17 | 2.02 % | | | 8 | D C D C C | 4K6FO | 8 | 1.29 % | | 11 | 1.31 % | | | 9 | C D D C C | A65CA | 5 | 0.80 % | | 6 | 0.71 % | | | 10 | C D D C C C | E20NKB | 2 | 0.32 % | | 2 | 0.24 % | | | 11 | C D C | M6W | 2 | 0.32 % | | 5 | 0.60 % | | | 12 | C C D / C C D C C | HL2/KU1CW | 1 | 0.16 % | | 1 | 0.12 % | | | 13 | C C D C C / C | EA4FL/P | 1 | 0.16 % | | 1 | 0.12 % | | | 14 | C C D C C / C C | RA0LQ/MM | 1 | 0.16 % | | 1 | 0.12 % | | | 15 | C C D C C C / D | SP6CES/6 | 1 | 0.16 % | | 1 | 0.12 % | | | 16 | C C D D C C C | YU15OTC | 1 | 0.16 % | | 1 | 0.12 % | |
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