|  Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % | 
|---|
 | 1 | C C D C C  | DJ7AT | 53 | 23.14 % |  | 63 | 22.50 % |  |  | 2 | C C D C  | EU8F | 33 | 14.41 % |  | 40 | 14.29 % |  |  | 3 | C C D C / C  | DA3T/P | 24 | 10.48 % |  | 25 | 8.93 % |  |  | 4 | C C D C C C / C  | DL0GMA/P | 22 | 9.61 % |  | 37 | 13.21 % |  |  | 5 | C C D C C / C  | DF0HO/P | 22 | 9.61 % |  | 27 | 9.64 % |  |  | 6 | C D C C  | D1WA | 21 | 9.17 % |  | 29 | 10.36 % |  |  | 7 | C C D C C C  | DL9FBF | 20 | 8.73 % |  | 20 | 7.14 % |  |  | 8 | C D C C C  | F5NBX | 7 | 3.06 % |  | 9 | 3.21 % |  |  | 9 | C D D C C  | E77EA | 5 | 2.18 % |  | 5 | 1.79 % |  |  | 10 | C D D C / C  | R47C/P | 5 | 2.18 % |  | 5 | 1.79 % |  |  | 11 | C D D C  | S55W | 4 | 1.75 % |  | 5 | 1.79 % |  |  | 12 | D C D C C  | 4X4DZ | 3 | 1.31 % |  | 5 | 1.79 % |  |  | 13 | C D C C C / C  | F6KUF/P | 2 | 0.87 % |  | 2 | 0.71 % |  |  | 14 | C D C / C  | M2A/P | 2 | 0.87 % |  | 2 | 0.71 % |  |  | 15 | C / C D C C C / C  | F/G4BJM/P | 1 | 0.44 % |  | 1 | 0.36 % |  |  | 16 | C D C C / C  | R1CA/P | 1 | 0.44 % |  | 1 | 0.36 % |  |  | 17 | C C D C C / D  | RL9AA/6 | 1 | 0.44 % |  | 1 | 0.36 % |  |  | 18 | C D C  | D1A | 1 | 0.44 % |  | 1 | 0.36 % |  |  | 19 | C D D C C C / C  | S59DZA/P | 1 | 0.44 % |  | 1 | 0.36 % |  |  | 20 | C C D / C C D C C C  | SV5/DL3DRN | 1 | 0.44 % |  | 1 | 0.36 % |  |  
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