| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C D C C | K0EA | 24 | 30.00 % | | 25 | 28.41 % | | | 2 | C C D C C | CX6VM | 18 | 22.50 % | | 18 | 20.45 % | | | 3 | C C D C | AD4Z | 18 | 22.50 % | | 22 | 25.00 % | | | 4 | D C D C C | 3V8SS | 6 | 7.50 % | | 6 | 6.82 % | | | 5 | C C D C C C | JA0CGJ | 5 | 6.25 % | | 5 | 5.68 % | | | 6 | C D C C C | K2QMF | 4 | 5.00 % | | 4 | 4.55 % | | | 7 | C D C | E2X | 2 | 2.50 % | | 3 | 3.41 % | | | 8 | C D D C C | A65BP | 1 | 1.25 % | | 2 | 2.27 % | | | 9 | C C D C C / C C D | KL7SB/VY2 | 1 | 1.25 % | | 1 | 1.14 % | | | 10 | C D D C | P33W | 1 | 1.25 % | | 2 | 2.27 % | |
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