| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | DF8QB | 22 | 38.60 % | | 27 | 37.50 % | | | 2 | C C D C C C | DG1YBN | 13 | 22.81 % | | 15 | 20.83 % | | | 3 | C D C C C | F1IWH | 10 | 17.54 % | | 14 | 19.44 % | | | 4 | C C D C | EC5W | 8 | 14.04 % | | 10 | 13.89 % | | | 5 | C D C | G6D | 3 | 5.26 % | | 4 | 5.56 % | | | 6 | C C D D C | OZ11A | 1 | 1.75 % | | 2 | 2.78 % | |
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