| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | DF1DT | 102 | 39.23 % | | 149 | 37.06 % | | | 2 | C C D C | CR6K | 76 | 29.23 % | | 142 | 35.32 % | | | 3 | C C D C C C | CT7BJG | 54 | 20.77 % | | 66 | 16.42 % | | | 4 | C D C C C | F4WEJ | 8 | 3.08 % | | 12 | 2.99 % | | | 5 | C D C | G4A | 4 | 1.54 % | | 7 | 1.74 % | | | 6 | C D D C C | E77EA | 3 | 1.15 % | | 4 | 1.00 % | | | 7 | C D C C | E7DX | 3 | 1.15 % | | 5 | 1.24 % | | | 8 | C D D C | S56A | 3 | 1.15 % | | 6 | 1.49 % | | | 9 | D C D C | 9A5Y | 2 | 0.77 % | | 5 | 1.24 % | | | 10 | C C / C C D C C | ER/UT1ZZ | 1 | 0.38 % | | 1 | 0.25 % | | | 11 | C C D D C C C | OL90ABU | 1 | 0.38 % | | 1 | 0.25 % | | | 12 | C C D D C C | OZ30EU | 1 | 0.38 % | | 1 | 0.25 % | | | 13 | C C D D C | TM24P | 1 | 0.38 % | | 1 | 0.25 % | | | 14 | C C D D D D C C | YU1924RK | 1 | 0.38 % | | 1 | 0.25 % | |
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