| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C D C C | K3ZU | 5 | 25.00 % | | 5 | 25.00 % | | | 2 | C C D C C | AA4DD | 5 | 25.00 % | | 5 | 25.00 % | | | 3 | C C D C C C | JL3JRY | 4 | 20.00 % | | 4 | 20.00 % | | | 4 | C C D C | KS1J | 3 | 15.00 % | | 3 | 15.00 % | | | 5 | D C D C | 9A5D | 1 | 5.00 % | | 1 | 5.00 % | | | 6 | D C D D D C | 9A705Y | 1 | 5.00 % | | 1 | 5.00 % | | | 7 | C D C C C | W6NWS | 1 | 5.00 % | | 1 | 5.00 % | |
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