| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C | AA3B | 204 | 46.90 % | | 274 | 49.46 % | | | 2 | C C D C C | AA4NC | 97 | 22.30 % | | 110 | 19.86 % | | | 3 | C C D C C C | CT7BJG | 41 | 9.43 % | | 46 | 8.30 % | | | 4 | C D C C | E7CW | 22 | 5.06 % | | 31 | 5.60 % | | | 5 | C D C C C | F4ABI | 21 | 4.83 % | | 28 | 5.05 % | | | 6 | C D D C | C44K | 17 | 3.91 % | | 22 | 3.97 % | | | 7 | D C D C | 4L0G | 10 | 2.30 % | | 17 | 3.07 % | | | 8 | C D D C C | E77EA | 7 | 1.61 % | | 7 | 1.26 % | | | 9 | D C D C C | 4X1DX | 6 | 1.38 % | | 6 | 1.08 % | | | 10 | C D C | D4K | 4 | 0.92 % | | 4 | 0.72 % | | | 11 | C C D / D C D C C | CT9/3Z1NY | 1 | 0.23 % | | 1 | 0.18 % | | | 12 | C C D / C C D C | IH9/OK1M | 1 | 0.23 % | | 2 | 0.36 % | | | 13 | C C D D C | OZ11A | 1 | 0.23 % | | 1 | 0.18 % | | | 14 | C D D D C | S535R | 1 | 0.23 % | | 1 | 0.18 % | | | 15 | C D C C / C C D | W1AW/KL7 | 1 | 0.23 % | | 1 | 0.18 % | | | 16 | C D D C C C | Z66BCC | 1 | 0.23 % | | 2 | 0.36 % | |
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