| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C C | CA6OHG | 69 | 40.83 % | | 69 | 39.20 % | | | 2 | C C D C | AY3W | 43 | 25.44 % | | 49 | 27.84 % | | | 3 | C C D C C | CX2RA | 26 | 15.38 % | | 26 | 14.77 % | | | 4 | C D C C C | C6ANM | 10 | 5.92 % | | 10 | 5.68 % | | | 5 | C D D C | E74A | 5 | 2.96 % | | 5 | 2.84 % | | | 6 | D C D C | 3G2S | 5 | 2.96 % | | 6 | 3.41 % | | | 7 | C D D C C | S51CK | 5 | 2.96 % | | 5 | 2.84 % | | | 8 | C D C C | F5IG | 2 | 1.18 % | | 2 | 1.14 % | | | 9 | C D D C C C | E74FRS | 1 | 0.59 % | | 1 | 0.57 % | | | 10 | C D C | G8X | 1 | 0.59 % | | 1 | 0.57 % | | | 11 | D C D C C C | 4E9VVN | 1 | 0.59 % | | 1 | 0.57 % | | | 12 | C C D C / C C D C | VP2V/NN1C | 1 | 0.59 % | | 1 | 0.57 % | |
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