| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C D C C | K0XB | 44 | 30.14 % | | 70 | 33.02 % | | | 2 | C C D C | AB9H | 30 | 20.55 % | | 48 | 22.64 % | | | 3 | C C D C C | FM5CD | 30 | 20.55 % | | 40 | 18.87 % | | | 4 | C C D C C C | JA0CGJ | 14 | 9.59 % | | 15 | 7.08 % | | | 5 | C D C C C | A6HBD | 14 | 9.59 % | | 20 | 9.43 % | | | 6 | D C D C C | 3W2LI | 5 | 3.42 % | | 6 | 2.83 % | | | 7 | C D C | D4C | 2 | 1.37 % | | 6 | 2.83 % | | | 8 | C C D / C C D C C C | DV1/JO7KMB | 2 | 1.37 % | | 2 | 0.94 % | | | 9 | D C / C C D C C | 5B/RV1AW | 1 | 0.68 % | | 1 | 0.47 % | | | 10 | C D D C C C | E21YDP | 1 | 0.68 % | | 1 | 0.47 % | | | 11 | C C D / C C D C C | CP6/DF9GR | 1 | 0.68 % | | 1 | 0.47 % | | | 12 | C D C C C / D | K9QVB/9 | 1 | 0.68 % | | 1 | 0.47 % | | | 13 | C C D C C / D | TA2DA/0 | 1 | 0.68 % | | 1 | 0.47 % | |
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