| Callsign structure # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
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1 | C C D C | AD1C | 21 | 33.87 % | | 24 | 35.29 % | | 2 | C C D C C | AB1BA | 19 | 30.65 % | | 19 | 27.94 % | | 3 | C C D C C C | DL2ARD | 8 | 12.90 % | | 8 | 11.76 % | | 4 | C D C C | K2CD | 5 | 8.06 % | | 5 | 7.35 % | | 5 | C D C C C | K6ACV | 4 | 6.45 % | | 4 | 5.88 % | | 6 | C D D C | P40L | 2 | 3.23 % | | 3 | 4.41 % | | 7 | D C D C | 9Z4Y | 1 | 1.61 % | | 1 | 1.47 % | | 8 | C D C | D4Z | 1 | 1.61 % | | 3 | 4.41 % | | 9 | C D D C C | V31XX | 1 | 1.61 % | | 1 | 1.47 % | |
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