| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | AB3CX | 139 | 44.69 % | | 178 | 44.17 % | | | 2 | C C D C | EN1C | 64 | 20.58 % | | 98 | 24.32 % | | | 3 | C C D C C C | DF1IAQ | 59 | 18.97 % | | 67 | 16.63 % | | | 4 | C D C C | F5IN | 16 | 5.14 % | | 20 | 4.96 % | | | 5 | C D C C C | F5PBM | 9 | 2.89 % | | 10 | 2.48 % | | | 6 | C D D C | S53M | 5 | 1.61 % | | 8 | 1.99 % | | | 7 | D C D C | 5C5W | 5 | 1.61 % | | 5 | 1.24 % | | | 8 | C D D C C | E74IW | 5 | 1.61 % | | 6 | 1.49 % | | | 9 | D C D C C | 4Z4AK | 4 | 1.29 % | | 5 | 1.24 % | | | 10 | C C / C C D C C | OM/HA6NL | 2 | 0.64 % | | 3 | 0.74 % | | | 11 | C D C | C4Z | 1 | 0.32 % | | 1 | 0.25 % | | | 12 | C D D D C C C C C | S512IAPMC | 1 | 0.32 % | | 1 | 0.25 % | | | 13 | C C D C C / D | LZ1QN/1 | 1 | 0.32 % | | 1 | 0.25 % | |
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