| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | DF1MM | 136 | 40.36 % | | 175 | 38.46 % | | | 2 | C C D C C C | DL3KVR | 73 | 21.66 % | | 92 | 20.22 % | | | 3 | C C D C | AB2E | 70 | 20.77 % | | 112 | 24.62 % | | | 4 | C D C C | E7RS | 26 | 7.72 % | | 35 | 7.69 % | | | 5 | C D C C C | F6GCI | 8 | 2.37 % | | 10 | 2.20 % | | | 6 | C D D C | A71A | 5 | 1.48 % | | 7 | 1.54 % | | | 7 | D C D C C | 7Z1HL | 4 | 1.19 % | | 4 | 0.88 % | | | 8 | C D D D C C | R250GS | 2 | 0.59 % | | 3 | 0.66 % | | | 9 | C D D C C | S51NP | 2 | 0.59 % | | 4 | 0.88 % | | | 10 | C D / C C D C C C | A6/DL9WVM | 1 | 0.30 % | | 1 | 0.22 % | | | 11 | D C D C | 9A6C | 1 | 0.30 % | | 1 | 0.22 % | | | 12 | C C D C / D | KU8E/4 | 1 | 0.30 % | | 1 | 0.22 % | | | 13 | C C D C C C / D | IZ8JFL/1 | 1 | 0.30 % | | 1 | 0.22 % | | | 14 | D C D C C C | 9A3DML | 1 | 0.30 % | | 1 | 0.22 % | | | 15 | C D C | R3K | 1 | 0.30 % | | 2 | 0.44 % | | | 16 | C C D D C C | RG61PP | 1 | 0.30 % | | 2 | 0.44 % | | | 17 | C C / C C D C C C | PA/SP4GHL | 1 | 0.30 % | | 1 | 0.22 % | | | 18 | C C / C C D C | UN/RK2B | 1 | 0.30 % | | 1 | 0.22 % | | | 19 | C C D C C C / C C C | UT0UMX/QRP | 1 | 0.30 % | | 1 | 0.22 % | | | 20 | C D C C / D | W9OA/9 | 1 | 0.30 % | | 1 | 0.22 % | |
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