| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | DF1MM | 95 | 42.04 % | | 104 | 38.52 % | | | 2 | C C D C | EN1C | 66 | 29.20 % | | 89 | 32.96 % | | | 3 | C C D C C C | DL1ALN | 36 | 15.93 % | | 39 | 14.44 % | | | 4 | C D C C | N3QE | 19 | 8.41 % | | 26 | 9.63 % | | | 5 | C D C C C | G0ORH | 3 | 1.33 % | | 3 | 1.11 % | | | 6 | C D D C | S50R | 2 | 0.88 % | | 2 | 0.74 % | | | 7 | C C D C C / D | LZ1QN/1 | 1 | 0.44 % | | 1 | 0.37 % | | | 8 | C C C C | RAEM | 1 | 0.44 % | | 3 | 1.11 % | | | 9 | D C D C C C | 2E0ZSE | 1 | 0.44 % | | 1 | 0.37 % | | | 10 | C D D C C | S57DX | 1 | 0.44 % | | 1 | 0.37 % | | | 11 | C C D C C C / D | UA9LAO/4 | 1 | 0.44 % | | 1 | 0.37 % | |
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