| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | AB3AH | 442 | 29.37 % | | 541 | 28.15 % | | | 2 | C C D C C C | BD1IIJ | 427 | 28.37 % | | 500 | 26.01 % | | | 3 | C C D C | AA1V | 338 | 22.46 % | | 516 | 26.85 % | | | 4 | C D C C | D1DX | 89 | 5.91 % | | 95 | 4.94 % | | | 5 | C D C C C | C6AGU | 80 | 5.32 % | | 92 | 4.79 % | | | 6 | C D D C | A42K | 29 | 1.93 % | | 37 | 1.93 % | | | 7 | D C D C C | 4X1ST | 28 | 1.86 % | | 39 | 2.03 % | | | 8 | C D D C C | A45TT | 22 | 1.46 % | | 31 | 1.61 % | | | 9 | D C D C | 3Z1K | 21 | 1.40 % | | 29 | 1.51 % | | | 10 | C D C | B4T | 13 | 0.86 % | | 22 | 1.14 % | | | 11 | D C D C C C | 7K4VPV | 5 | 0.33 % | | 7 | 0.36 % | | | 12 | C D D C C C | E21AOY | 4 | 0.27 % | | 4 | 0.21 % | | | 13 | D C D D C | 4U75B | 1 | 0.07 % | | 2 | 0.10 % | | | 14 | D C | 7S | 1 | 0.07 % | | 1 | 0.05 % | | | 15 | C D C C C C | E2ICOM | 1 | 0.07 % | | 2 | 0.10 % | | | 16 | C C D C C C / C C | IU1DUB/MM | 1 | 0.07 % | | 1 | 0.05 % | | | 17 | C D C C / D | R8FF/8 | 1 | 0.07 % | | 1 | 0.05 % | | | 18 | C C D D C C | RL30DX | 1 | 0.07 % | | 1 | 0.05 % | | | 19 | C C D C C / C | UX1HW/M | 1 | 0.07 % | | 1 | 0.05 % | |
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