| Callsign structure # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
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1 | C C D C C C | EA1IXQ | 11 | 52.38 % | | 11 | 50.00 % | | 2 | C C D C C | DK7FU | 5 | 23.81 % | | 5 | 22.73 % | | 3 | C D C C C | F4BPP | 3 | 14.29 % | | 4 | 18.18 % | | 4 | D C D C C | 9A3QO | 1 | 4.76 % | | 1 | 4.55 % | | 5 | C C D C | WK3T | 1 | 4.76 % | | 1 | 4.55 % | |
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