| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C | DA0T | 17 | 30.36 % | | 19 | 29.69 % | | | 2 | C C D C C C | CT7AUE | 13 | 23.21 % | | 15 | 23.44 % | | | 3 | C C D C C | DA1DX | 12 | 21.43 % | | 15 | 23.44 % | | | 4 | C D D C | E73M | 4 | 7.14 % | | 4 | 6.25 % | | | 5 | C D C C C | F4LSL | 3 | 5.36 % | | 4 | 6.25 % | | | 6 | D C D C C | 9A5KW | 2 | 3.57 % | | 2 | 3.13 % | | | 7 | D C D C | 4O3A | 2 | 3.57 % | | 2 | 3.13 % | | | 8 | C D C C | G6AD | 1 | 1.79 % | | 1 | 1.56 % | | | 9 | C D C | M1T | 1 | 1.79 % | | 1 | 1.56 % | | | 10 | C D D C C | S52OT | 1 | 1.79 % | | 1 | 1.56 % | |
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