| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C C | GM4RDX | 245 | 39.71 % | | 247 | 38.06 % | | | 2 | C D C C C | K0ILP | 187 | 30.31 % | | 189 | 29.12 % | | | 3 | C C D C C | AA0AO | 64 | 10.37 % | | 64 | 9.86 % | | | 4 | C C D C | AA3R | 55 | 8.91 % | | 56 | 8.63 % | | | 5 | C D C C | K0SV | 46 | 7.46 % | | 48 | 7.40 % | | | 6 | C D C | K5B | 6 | 0.97 % | | 6 | 0.92 % | | | 7 | C D C C C / C | K0MEZ/M | 4 | 0.65 % | | 4 | 0.62 % | | | 8 | C C D C C / C | AA4NP/M | 2 | 0.32 % | | 2 | 0.31 % | | | 9 | C C D C C C / C | KC9JCH/M | 2 | 0.32 % | | 2 | 0.31 % | | | 10 | C C D C / C | KD5S/M | 2 | 0.32 % | | 2 | 0.31 % | | | 11 | C C D C C C / C C D | KC1WPI/VE2 | 1 | 0.16 % | | 1 | 0.15 % | | | 12 | C C D C C / D | KE9TP/7 | 1 | 0.16 % | | 1 | 0.15 % | | | 13 | C D C C / C | N9CZ/M | 1 | 0.16 % | | 1 | 0.15 % | | | 14 | C C D C / D | WZ8T/7 | 1 | 0.16 % | | 1 | 0.15 % | |
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