| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | DL2TM | 55 | 45.45 % | | 58 | 44.62 % | | | 2 | C C D C | EO6F | 32 | 26.45 % | | 37 | 28.46 % | | | 3 | C C D C C C | DL1YCF | 16 | 13.22 % | | 17 | 13.08 % | | | 4 | C D C C | F5VV | 6 | 4.96 % | | 6 | 4.62 % | | | 5 | C D C C C | F5LMJ | 5 | 4.13 % | | 5 | 3.85 % | | | 6 | C D D C | E77C | 3 | 2.48 % | | 3 | 2.31 % | | | 7 | D C D C C | 4K6FO | 2 | 1.65 % | | 2 | 1.54 % | | | 8 | C D D C C C | E21YDP | 1 | 0.83 % | | 1 | 0.77 % | | | 9 | C C D C C / C | UX1HW/M | 1 | 0.83 % | | 1 | 0.77 % | |
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