| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
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| 1 | C C D C C | BI4JM | 170 | 34.69 % | | 201 | 37.36 % | | | 2 | C C D C C C | BG0DLA | 168 | 34.29 % | | 172 | 31.97 % | | | 3 | C C D C | CQ9A | 82 | 16.73 % | | 87 | 16.17 % | | | 4 | C D C C C | F4CVO | 17 | 3.47 % | | 17 | 3.16 % | | | 5 | C D C C | B5HQ | 14 | 2.86 % | | 17 | 3.16 % | | | 6 | C D D C C | A60HQ | 11 | 2.24 % | | 15 | 2.79 % | | | 7 | D C D C C | 3V8LL | 8 | 1.63 % | | 9 | 1.67 % | | | 8 | D C D C | 3Z1K | 5 | 1.02 % | | 5 | 0.93 % | | | 9 | D C D C C C | 5B4AHZ | 4 | 0.82 % | | 4 | 0.74 % | | | 10 | C D C | C4W | 3 | 0.61 % | | 3 | 0.56 % | | | 11 | C D D C C C | S57NAW | 2 | 0.41 % | | 2 | 0.37 % | | | 12 | C D D C | E71A | 2 | 0.41 % | | 2 | 0.37 % | | | 13 | C C D C C C / C | DL7USW/P | 1 | 0.20 % | | 1 | 0.19 % | | | 14 | C C D D C C C C | OL26WRTC | 1 | 0.20 % | | 1 | 0.19 % | | | 15 | C C D C C C D | RD7LBP3 | 1 | 0.20 % | | 1 | 0.19 % | | | 16 | C D C C C / C C D | N2KHH/VY2 | 1 | 0.20 % | | 1 | 0.19 % | |
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