| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C | AA1K | 95 | 29.50 % | | 95 | 28.96 % | | | 2 | C D C C | K0AP | 92 | 28.57 % | | 93 | 28.35 % | | | 3 | C C D C C | AB3CX | 77 | 23.91 % | | 80 | 24.39 % | | | 4 | C C D C C C | BG0DLA | 28 | 8.70 % | | 28 | 8.54 % | | | 5 | C D C C C | G4KUR | 18 | 5.59 % | | 18 | 5.49 % | | | 6 | C D C | D4Z | 3 | 0.93 % | | 3 | 0.91 % | | | 7 | D C D C | 7Q2T | 3 | 0.93 % | | 3 | 0.91 % | | | 8 | D C D C C | 9H1XT | 2 | 0.62 % | | 2 | 0.61 % | | | 9 | C D D C | Z35F | 2 | 0.62 % | | 2 | 0.61 % | | | 10 | C C D C C / D | BA4DL/0 | 1 | 0.31 % | | 1 | 0.30 % | | | 11 | C C D / C C D C C | IT9/DK6XZ | 1 | 0.31 % | | 1 | 0.30 % | |
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