| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | DF1ZA | 74 | 30.71 % | | 97 | 30.41 % | | | 2 | C C D C | CR5U | 61 | 25.31 % | | 90 | 28.21 % | | | 3 | C C D C C C | CT1ELZ | 49 | 20.33 % | | 58 | 18.18 % | | | 4 | C D C C | F2AR | 17 | 7.05 % | | 22 | 6.90 % | | | 5 | C D C C C | F5NTV | 13 | 5.39 % | | 17 | 5.33 % | | | 6 | C D D C | E74X | 6 | 2.49 % | | 9 | 2.82 % | | | 7 | C D D C C | E77AW | 4 | 1.66 % | | 4 | 1.25 % | | | 8 | D C D C C C | 2E0LJZ | 4 | 1.66 % | | 5 | 1.57 % | | | 9 | D C D C | 4X0A | 3 | 1.24 % | | 7 | 2.19 % | | | 10 | D C D C C | 4X1RF | 3 | 1.24 % | | 3 | 0.94 % | | | 11 | C D C | C4Z | 3 | 1.24 % | | 3 | 0.94 % | | | 12 | D C / C D C C | 4X/K2RR | 1 | 0.41 % | | 1 | 0.31 % | | | 13 | D C D D D C C | 9A703XV | 1 | 0.41 % | | 1 | 0.31 % | | | 14 | C C D D C C C | OM50CND | 1 | 0.41 % | | 1 | 0.31 % | | | 15 | C C D C C / C | YU1DW/P | 1 | 0.41 % | | 1 | 0.31 % | |
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