| Callsign structure # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
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1 | C C D C C C | AN5OKW | 926 | 48.20 % | | 1179 | 46.97 % | | 2 | C C D C C | AC3HN | 499 | 25.98 % | | 690 | 27.49 % | | 3 | C D C C C | D1IHV | 242 | 12.60 % | | 302 | 12.03 % | | 4 | C D C C | D1DX | 83 | 4.32 % | | 107 | 4.26 % | | 5 | C C D C | AF4Z | 80 | 4.16 % | | 109 | 4.34 % | | 6 | D C D C C C | 2E0CEA | 20 | 1.04 % | | 24 | 0.96 % | | 7 | D C D C C | 4X6HU | 13 | 0.68 % | | 19 | 0.76 % | | 8 | C D D C C | A41KB | 9 | 0.47 % | | 14 | 0.56 % | | 9 | C C D C C C C | CQ7YOTA | 6 | 0.31 % | | 8 | 0.32 % | | 10 | C C D D C C | HF22NY | 5 | 0.26 % | | 5 | 0.20 % | | 11 | C C D D C C C | DL70TRS | 3 | 0.16 % | | 4 | 0.16 % | | 12 | C D D C | E70E | 3 | 0.16 % | | 3 | 0.12 % | | 13 | C C D D D C C C | SX200CQN | 3 | 0.16 % | | 5 | 0.20 % | | 14 | C C D C C C / C C C | IK7LNC/QRP | 2 | 0.10 % | | 2 | 0.08 % | | 15 | C D D C C C | E25ETT | 2 | 0.10 % | | 2 | 0.08 % | | 16 | C C D D C C C C C | EM30KUARL | 2 | 0.10 % | | 2 | 0.08 % | | 17 | C C D D C C C C | OM21YOTA | 2 | 0.10 % | | 3 | 0.12 % | | 18 | C C D C C / C C C | EA1GT/QRP | 1 | 0.05 % | | 3 | 0.12 % | | 19 | C C D / C C D C C / C | EA5/DL8KL/P | 1 | 0.05 % | | 1 | 0.04 % | | 20 | D C D C C C / D C C | 2E0CVN/2ZE | 1 | 0.05 % | | 1 | 0.04 % | | 21 | D C D C | 3Z8Z | 1 | 0.05 % | | 4 | 0.16 % | | 22 | C C D C C C / D | IU4DIN/8 | 1 | 0.05 % | | 1 | 0.04 % | | 23 | C C C C C C | IZOEHV | 1 | 0.05 % | | 1 | 0.04 % | | 24 | C C / C C D C C | LZ/UT8US | 1 | 0.05 % | | 1 | 0.04 % | | 25 | C D C C C / D C C | M0TXK/2ZE | 1 | 0.05 % | | 1 | 0.04 % | | 26 | C D C C C / C | M7APV/P | 1 | 0.05 % | | 1 | 0.04 % | | 27 | C C D C C / D | BD9BI/0 | 1 | 0.05 % | | 1 | 0.04 % | | 28 | C C D D C | OZ59A | 1 | 0.05 % | | 1 | 0.04 % | | 29 | C D D D D C C | R2022NY | 1 | 0.05 % | | 1 | 0.04 % | | 30 | C D C C / C | R2EA/P | 1 | 0.05 % | | 3 | 0.12 % | | 31 | C D C C C / D | R9FCS/4 | 1 | 0.05 % | | 1 | 0.04 % | | 32 | C C D / C C D C C | RA3/UN7ZR | 1 | 0.05 % | | 2 | 0.08 % | | 33 | C C D C / D | RG5A/6 | 1 | 0.05 % | | 1 | 0.04 % | | 34 | C D D D D C | S5100I | 1 | 0.05 % | | 1 | 0.04 % | | 35 | C D D D C C C | S522PMC | 1 | 0.05 % | | 1 | 0.04 % | | 36 | C C D C C C / C C D | SV1HEZ/SV2 | 1 | 0.05 % | | 4 | 0.16 % | | 37 | C C D C C C / C | GW4TUD/P | 1 | 0.05 % | | 1 | 0.04 % | | 38 | C C D C C C / C C | UR5FLF/MM | 1 | 0.05 % | | 1 | 0.04 % | |
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