| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C | AA1K | 278 | 34.45 % | | 386 | 36.24 % | | | 2 | C C D C C | AA1ON | 210 | 26.02 % | | 263 | 24.69 % | | | 3 | C C D C C C | DF0GDX | 123 | 15.24 % | | 141 | 13.24 % | | | 4 | C D C C | E7CW | 102 | 12.64 % | | 163 | 15.31 % | | | 5 | C D C C C | F4ARU | 32 | 3.97 % | | 39 | 3.66 % | | | 6 | C D D C | E72U | 19 | 2.35 % | | 25 | 2.35 % | | | 7 | C D D C C | E73AA | 13 | 1.61 % | | 13 | 1.22 % | | | 8 | D C D C | 3B8M | 12 | 1.49 % | | 13 | 1.22 % | | | 9 | D C D C C | 3V8SS | 7 | 0.87 % | | 8 | 0.75 % | | | 10 | C C D D C C | EO50FF | 3 | 0.37 % | | 4 | 0.38 % | | | 11 | C D C | M6T | 2 | 0.25 % | | 2 | 0.19 % | | | 12 | C C D D D D C C C | YT1914CER | 2 | 0.25 % | | 2 | 0.19 % | | | 13 | C C D / C D C C C | EA7/G4BJM | 1 | 0.12 % | | 2 | 0.19 % | | | 14 | C C D D C C C | DQ60ANT | 1 | 0.12 % | | 2 | 0.19 % | | | 15 | C D C C / D | R8FF/8 | 1 | 0.12 % | | 1 | 0.09 % | | | 16 | D C / C C D C C | 4L/LY4ZZ | 1 | 0.12 % | | 1 | 0.09 % | |
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