| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C | AC1U | 156 | 35.94 % | | 185 | 36.85 % | | | 2 | C C D C C | DF1LX | 107 | 24.65 % | | 122 | 24.30 % | | | 3 | C C D C C C | CT2ITR | 89 | 20.51 % | | 101 | 20.12 % | | | 4 | C D C C C | F4DSE | 19 | 4.38 % | | 21 | 4.18 % | | | 5 | C D D C | E76C | 11 | 2.53 % | | 12 | 2.39 % | | | 6 | C D D C C | D41CV | 10 | 2.30 % | | 11 | 2.19 % | | | 7 | D C D C | 3Z0X | 10 | 2.30 % | | 12 | 2.39 % | | | 8 | C D C C | E7CW | 8 | 1.84 % | | 9 | 1.79 % | | | 9 | C C D D C | EI20C | 6 | 1.38 % | | 7 | 1.39 % | | | 10 | C D C | G3M | 5 | 1.15 % | | 5 | 1.00 % | | | 11 | D C D C C | 9A3JB | 2 | 0.46 % | | 4 | 0.80 % | | | 12 | C C D D C C C | DM30RSV | 2 | 0.46 % | | 3 | 0.60 % | | | 13 | C C D D D C C | DQ750KL | 2 | 0.46 % | | 2 | 0.40 % | | | 14 | C C D D C C | LY30LY | 2 | 0.46 % | | 2 | 0.40 % | | | 15 | D C D C C C | 9A3SMS | 1 | 0.23 % | | 1 | 0.20 % | | | 16 | C C / C D D C | LZ/Z36W | 1 | 0.23 % | | 1 | 0.20 % | | | 17 | C C D D D C C C | OL725PLZ | 1 | 0.23 % | | 1 | 0.20 % | | | 18 | C C D C / C | OT5N/P | 1 | 0.23 % | | 1 | 0.20 % | | | 19 | C D D D D C | S5400J | 1 | 0.23 % | | 2 | 0.40 % | |
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