| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C | AA1K | 227 | 35.36 % | | 287 | 37.96 % | | | 2 | C C D C C | AD4ES | 164 | 25.55 % | | 177 | 23.41 % | | | 3 | C C D C C C | CT1BQH | 99 | 15.42 % | | 105 | 13.89 % | | | 4 | C D C C | D1DX | 80 | 12.46 % | | 94 | 12.43 % | | | 5 | C D D C | E72U | 18 | 2.80 % | | 19 | 2.51 % | | | 6 | C D C C C | F5JVP | 15 | 2.34 % | | 21 | 2.78 % | | | 7 | C D D C C | S51YI | 8 | 1.25 % | | 13 | 1.72 % | | | 8 | D C D C | 3Z0X | 8 | 1.25 % | | 10 | 1.32 % | | | 9 | D C D C C | 3V8SS | 6 | 0.93 % | | 8 | 1.06 % | | | 10 | C D C | C4W | 4 | 0.62 % | | 5 | 0.66 % | | | 11 | C C D / C C D C C C | EA8/IK1PMR | 2 | 0.31 % | | 2 | 0.26 % | | | 12 | C C D D C C | SK50HD | 2 | 0.31 % | | 2 | 0.26 % | | | 13 | C C D / C C D C | IH9/OL3R | 2 | 0.31 % | | 4 | 0.53 % | | | 14 | D C D D C | 4U25B | 1 | 0.16 % | | 1 | 0.13 % | | | 15 | D C / C C D C | 9A/AI6V | 1 | 0.16 % | | 2 | 0.26 % | | | 16 | D C D D D C C C | 3Z100PIP | 1 | 0.16 % | | 1 | 0.13 % | | | 17 | D C D D C C | 3Z50GR | 1 | 0.16 % | | 1 | 0.13 % | | | 18 | C C D C C / D | RZ9SZ/3 | 1 | 0.16 % | | 1 | 0.13 % | | | 19 | D C / C C D C C | 5B/RN3QO | 1 | 0.16 % | | 2 | 0.26 % | | | 20 | C C D D C C C | HB90TOC | 1 | 0.16 % | | 1 | 0.13 % | |
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