| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C C | KC1QOD | 3 | 27.27 % | | 3 | 25.00 % | | | 2 | C D C C C | N7EPD | 3 | 27.27 % | | 3 | 25.00 % | | | 3 | C C D C C | AC1RH | 2 | 18.18 % | | 2 | 16.67 % | | | 4 | C C D C | AA3R | 1 | 9.09 % | | 1 | 8.33 % | | | 5 | C D D C C C | J88BTI | 1 | 9.09 % | | 1 | 8.33 % | | | 6 | C D C C | K1RX | 1 | 9.09 % | | 1 | 8.33 % | |
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