| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C C | KA2NVF | 96 | 41.74 % | | 96 | 41.03 % | | | 2 | C D C C C | K0LTL | 73 | 31.74 % | | 73 | 31.20 % | | | 3 | C C D C C | AA1RD | 30 | 13.04 % | | 30 | 12.82 % | | | 4 | C D C C | K0RC | 17 | 7.39 % | | 17 | 7.26 % | | | 5 | C C D C | AD9W | 13 | 5.65 % | | 13 | 5.56 % | | | 6 | C D C | K1H | 1 | 0.43 % | | 1 | 0.43 % | |
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