|  Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % | 
|---|
 | 1 | C C D C C  | DF9ZP | 65 | 24.16 % |  | 75 | 23.08 % |  |  | 2 | C C D C  | EU8F | 45 | 16.73 % |  | 58 | 17.85 % |  |  | 3 | C C D C C C  | DL2MDZ | 33 | 12.27 % |  | 37 | 11.38 % |  |  | 4 | C C D C C / C  | DF0ND/P | 27 | 10.04 % |  | 28 | 8.62 % |  |  | 5 | C C D C C C / C  | DL0GMA/P | 24 | 8.92 % |  | 40 | 12.31 % |  |  | 6 | C D C C  | F5IN | 23 | 8.55 % |  | 28 | 8.62 % |  |  | 7 | C C D C / C  | DF0A/P | 15 | 5.58 % |  | 18 | 5.54 % |  |  | 8 | C D D C / C  | R47C/P | 12 | 4.46 % |  | 12 | 3.69 % |  |  | 9 | C D C C C  | D1ITU | 6 | 2.23 % |  | 6 | 1.85 % |  |  | 10 | C D C C / C  | G3LX/P | 4 | 1.49 % |  | 4 | 1.23 % |  |  | 11 | C D D C  | S53Q | 3 | 1.12 % |  | 4 | 1.23 % |  |  | 12 | C D C C C / C  | F6KUF/P | 2 | 0.74 % |  | 2 | 0.62 % |  |  | 13 | D C D C C  | 4X4DZ | 2 | 0.74 % |  | 4 | 1.23 % |  |  | 14 | C D C / C  | M0P/P | 2 | 0.74 % |  | 2 | 0.62 % |  |  | 15 | D C D C C C  | 2E0FFT | 1 | 0.37 % |  | 1 | 0.31 % |  |  | 16 | C D C  | D1A | 1 | 0.37 % |  | 1 | 0.31 % |  |  | 17 | C D D C C / C  | S52GP/P | 1 | 0.37 % |  | 2 | 0.62 % |  |  | 18 | C C D / C C D C C C  | IK5/DL5RDP | 1 | 0.37 % |  | 1 | 0.31 % |  |  | 19 | C D D C C  | S59AA | 1 | 0.37 % |  | 1 | 0.31 % |  |  | 20 | C D D C C C / C  | S59DZA/P | 1 | 0.37 % |  | 1 | 0.31 % |  |  
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