| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C | AA3B | 334 | 30.09 % | | 345 | 30.48 % | | | 2 | C C D C C | AB1BX | 326 | 29.37 % | | 333 | 29.42 % | | | 3 | C C D C C C | CT1DRB | 235 | 21.17 % | | 237 | 20.94 % | | | 4 | C D C C C | F1UVN | 54 | 4.86 % | | 55 | 4.86 % | | | 5 | C D C C | E7CW | 42 | 3.78 % | | 42 | 3.71 % | | | 6 | C D D C | E70T | 20 | 1.80 % | | 20 | 1.77 % | | | 7 | C D D C C | C37AC | 19 | 1.71 % | | 19 | 1.68 % | | | 8 | C D C | C7A | 16 | 1.44 % | | 16 | 1.41 % | | | 9 | D C D C C | 3V8SS | 14 | 1.26 % | | 14 | 1.24 % | | | 10 | D C D C | 3Z1K | 9 | 0.81 % | | 9 | 0.80 % | | | 11 | C C D D C C C | DK30FFO | 6 | 0.54 % | | 6 | 0.53 % | | | 12 | C C D D C C | EM30UU | 6 | 0.54 % | | 7 | 0.62 % | | | 13 | C C D D C | LZ33E | 5 | 0.45 % | | 5 | 0.44 % | | | 14 | C C D D D C C C | HF100LEM | 3 | 0.27 % | | 3 | 0.27 % | | | 15 | C C D D C C C C | DL25GDXF | 3 | 0.27 % | | 3 | 0.27 % | | | 16 | C C D D D D C C | SN1921PS | 2 | 0.18 % | | 2 | 0.18 % | | | 17 | C D / C D D C | E7/Z35M | 2 | 0.18 % | | 2 | 0.18 % | | | 18 | D C D D C | 9A50Y | 1 | 0.09 % | | 1 | 0.09 % | | | 19 | C C / C C D C | DL/KK0U | 1 | 0.09 % | | 1 | 0.09 % | | | 20 | D C D D D D C C | 3Z1921PS | 1 | 0.09 % | | 1 | 0.09 % | | | 21 | D C / C C D C C C | 9A/IZ3NVR | 1 | 0.09 % | | 1 | 0.09 % | | | 22 | D C D C C C | 2E0OBO | 1 | 0.09 % | | 1 | 0.09 % | | | 23 | D C D D C C | 9A10FF | 1 | 0.09 % | | 1 | 0.09 % | | | 24 | C C D / C C D C C | HB9/DK4YJ | 1 | 0.09 % | | 1 | 0.09 % | | | 25 | C C D C C C / C | DL7USW/P | 1 | 0.09 % | | 1 | 0.09 % | | | 26 | C C D D C C C C C | HG21TISZA | 1 | 0.09 % | | 1 | 0.09 % | | | 27 | D C D D C C C | 4U29MAY | 1 | 0.09 % | | 1 | 0.09 % | | | 28 | C C D D D C C C C | OH100SRAL | 1 | 0.09 % | | 1 | 0.09 % | | | 29 | D C / C D C C C | 9A/K6BFL | 1 | 0.09 % | | 1 | 0.09 % | | | 30 | C C / C C D C C | TF/KA1IS | 1 | 0.09 % | | 1 | 0.09 % | | | 31 | C C D C C / C C C | YU1LM/QRP | 1 | 0.09 % | | 1 | 0.09 % | |
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