| Callsign structure # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
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1 | C D C C | K0KR | 26 | 34.67 % | | 26 | 34.67 % | | 2 | C C D C C | AC8JW | 15 | 20.00 % | | 15 | 20.00 % | | 3 | C C D C | AA3B | 15 | 20.00 % | | 15 | 20.00 % | | 4 | C D C C C | K6GHA | 13 | 17.33 % | | 13 | 17.33 % | | 5 | C C D C C C | KA6BIM | 6 | 8.00 % | | 6 | 8.00 % | |
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