| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | DL4ME | 46 | 32.39 % | | 60 | 32.26 % | | | 2 | C C D C C C | BI4VIP | 37 | 26.06 % | | 46 | 24.73 % | | | 3 | C C D C | EV6Z | 24 | 16.90 % | | 32 | 17.20 % | | | 4 | C D C C | F5IN | 23 | 16.20 % | | 34 | 18.28 % | | | 5 | C D C C C | I5MXX | 5 | 3.52 % | | 5 | 2.69 % | | | 6 | C D D C | S52W | 3 | 2.11 % | | 3 | 1.61 % | | | 7 | D C D C C | 9A3YT | 2 | 1.41 % | | 3 | 1.61 % | | | 8 | C D D C C | E77EA | 1 | 0.70 % | | 2 | 1.08 % | | | 9 | C D C C / D | R0KA/9 | 1 | 0.70 % | | 1 | 0.54 % | |
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