| Callsign structure # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
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1 | C D C C C | K1PRD | 18 | 40.91 % | | 18 | 33.96 % | | 2 | C D C C | N1EK | 10 | 22.73 % | | 10 | 18.87 % | | 3 | C C D C C C | CJ3YLR | 8 | 18.18 % | | 8 | 15.09 % | | 4 | C C D C | AK9D | 7 | 15.91 % | | 7 | 13.21 % | | 5 | C C D C C | VE3MF | 1 | 2.27 % | | 1 | 1.89 % | |
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