| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | EA1DP | 36 | 36.00 % | | 36 | 36.00 % | | | 2 | C C D C | CR5O | 27 | 27.00 % | | 27 | 27.00 % | | | 3 | C C D C C C | CT1DRB | 24 | 24.00 % | | 24 | 24.00 % | | | 4 | C D D C | E70Y | 4 | 4.00 % | | 4 | 4.00 % | | | 5 | C D D C C | E77EA | 2 | 2.00 % | | 2 | 2.00 % | | | 6 | D C D C C | 9A1DR | 2 | 2.00 % | | 2 | 2.00 % | | | 7 | C D C C C | F8GHA | 2 | 2.00 % | | 2 | 2.00 % | | | 8 | D C D C C C | 9A3SMS | 1 | 1.00 % | | 1 | 1.00 % | | | 9 | D C D C | 9A5M | 1 | 1.00 % | | 1 | 1.00 % | | | 10 | C D C C | W1KM | 1 | 1.00 % | | 1 | 1.00 % | |
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