| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | CN8KD | 65 | 32.02 % | | 73 | 30.29 % | | | 2 | C C D C | CR5U | 48 | 23.65 % | | 67 | 27.80 % | | | 3 | C C D C C C | CT1ELZ | 46 | 22.66 % | | 51 | 21.16 % | | | 4 | C D C C | F5IN | 11 | 5.42 % | | 12 | 4.98 % | | | 5 | C D C C C | F5VLY | 10 | 4.93 % | | 10 | 4.15 % | | | 6 | D C D C C | 4Z4AK | 4 | 1.97 % | | 6 | 2.49 % | | | 7 | C D D C | E74X | 3 | 1.48 % | | 4 | 1.66 % | | | 8 | D C D C C C | 5B4AMM | 3 | 1.48 % | | 4 | 1.66 % | | | 9 | C D D C C | S51DX | 3 | 1.48 % | | 4 | 1.66 % | | | 10 | D C D C | 4X0A | 2 | 0.99 % | | 2 | 0.83 % | | | 11 | D C D D D D C C | 4J1926HR | 1 | 0.49 % | | 1 | 0.41 % | | | 12 | C C D D C | CR60P | 1 | 0.49 % | | 1 | 0.41 % | | | 13 | C D / C C D C C C | P4/DL6RAI | 1 | 0.49 % | | 1 | 0.41 % | | | 14 | C C D D D D C C | LZ1867EI | 1 | 0.49 % | | 1 | 0.41 % | | | 15 | C C D / C C D C C C | SV5/DL3DRN | 1 | 0.49 % | | 1 | 0.41 % | | | 16 | C C D C C C / C | UA1CEG/P | 1 | 0.49 % | | 1 | 0.41 % | | | 17 | C C D C C C / D | UA9MLT/8 | 1 | 0.49 % | | 1 | 0.41 % | | | 18 | C C / C D D C | ZA/S56X | 1 | 0.49 % | | 1 | 0.41 % | |
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