| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C C | CT7ADX | 42 | 65.63 % | | 42 | 65.63 % | | | 2 | C C D C C | CT9PR | 13 | 20.31 % | | 13 | 20.31 % | | | 3 | C D D C C | A71AM | 4 | 6.25 % | | 4 | 6.25 % | | | 4 | C D C C C | G0NUZ | 3 | 4.69 % | | 3 | 4.69 % | | | 5 | C D C C C / C | M6KHJ/P | 1 | 1.56 % | | 1 | 1.56 % | | | 6 | C C D D C | YR24R | 1 | 1.56 % | | 1 | 1.56 % | |
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