| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | DF5AU | 80 | 37.21 % | | 92 | 34.20 % | | | 2 | C C D C | EV6Z | 61 | 28.37 % | | 89 | 33.09 % | | | 3 | C C D C C C | DL1AOB | 42 | 19.53 % | | 52 | 19.33 % | | | 4 | C D C C | N2UN | 10 | 4.65 % | | 12 | 4.46 % | | | 5 | C D C C C | F5VBT | 8 | 3.72 % | | 9 | 3.35 % | | | 6 | C D D C | E77W | 4 | 1.86 % | | 4 | 1.49 % | | | 7 | D C D C | 4K9W | 3 | 1.40 % | | 3 | 1.12 % | | | 8 | C D D C C | S53EO | 2 | 0.93 % | | 3 | 1.12 % | | | 9 | C D C | G1N | 2 | 0.93 % | | 2 | 0.74 % | | | 10 | C C D / C C D C C | HB9/RV3DH | 1 | 0.47 % | | 1 | 0.37 % | | | 11 | C C D C C C C | DM0BARS | 1 | 0.47 % | | 1 | 0.37 % | | | 12 | D C D C C | 9A2AJ | 1 | 0.47 % | | 1 | 0.37 % | |
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