| Callsign structure # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
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1 | C C D C C C | BD1IIJ | 1908 | 29.09 % | | 3192 | 25.33 % | | 2 | C C D C C | AA0AI | 1726 | 26.31 % | | 3261 | 25.88 % | | 3 | C C D C | AA0O | 1084 | 16.52 % | | 2471 | 19.61 % | | 4 | C D C C | C5YK | 822 | 12.53 % | | 1817 | 14.42 % | | 5 | C D C C C | C6AGU | 616 | 9.39 % | | 1094 | 8.68 % | | 6 | C D D C | A44A | 69 | 1.05 % | | 145 | 1.15 % | | 7 | C D D C C | A35JP | 66 | 1.01 % | | 118 | 0.94 % | | 8 | D C D C C | 3D2AG | 58 | 0.88 % | | 110 | 0.87 % | | 9 | C D C | B4T | 53 | 0.81 % | | 116 | 0.92 % | | 10 | D C D C | 3B8M | 45 | 0.69 % | | 99 | 0.79 % | | 11 | D C D C C C | 2E0CVN | 29 | 0.44 % | | 40 | 0.32 % | | 12 | C C D C C C / D | IK1ZOF/3 | 13 | 0.20 % | | 18 | 0.14 % | | 13 | C C D / C C D C | EA5/RV2A | 8 | 0.12 % | | 15 | 0.12 % | | 14 | C C D D C C C | HB90AWS | 4 | 0.06 % | | 11 | 0.09 % | | 15 | C C D / C C D C C | DV8/KH7EA | 4 | 0.06 % | | 9 | 0.07 % | | 16 | C D D C C C | E20HHK | 4 | 0.06 % | | 6 | 0.05 % | | 17 | C C D C C C / C C C | IN3UFW/QRP | 3 | 0.05 % | | 3 | 0.02 % | | 18 | C C D C C / C C C | EA1GT/QRP | 3 | 0.05 % | | 5 | 0.04 % | | 19 | C C D D C C | OG70AD | 3 | 0.05 % | | 6 | 0.05 % | | 20 | C C D C / D | AI0Y/9 | 3 | 0.05 % | | 4 | 0.03 % | | 21 | C C D C C / C D | KH6KG/W5 | 3 | 0.05 % | | 4 | 0.03 % | | 22 | C C / C D C C C | FO/F6BCW | 2 | 0.03 % | | 4 | 0.03 % | | 23 | C C / C C D C C | FS/VA3DF | 2 | 0.03 % | | 2 | 0.02 % | | 24 | C C D / C C D C C C | EA8/IK1PMR | 2 | 0.03 % | | 5 | 0.04 % | | 25 | C C D C C / C | DF9JL/P | 2 | 0.03 % | | 2 | 0.02 % | | 26 | D C / C C D C C | 5B/RN3QO | 2 | 0.03 % | | 5 | 0.04 % | | 27 | C C D C C / D | JA4JY/3 | 2 | 0.03 % | | 2 | 0.02 % | | 28 | C D C C / D | R8FF/8 | 2 | 0.03 % | | 2 | 0.02 % | | 29 | D C D / C C D C C | 8R1/AG6UT | 1 | 0.02 % | | 4 | 0.03 % | | 30 | C C D / C D C C C | CT7/G4BJM | 1 | 0.02 % | | 3 | 0.02 % | | 31 | D C D D C C | 3Z50GR | 1 | 0.02 % | | 1 | 0.01 % | | 32 | C C D D D D C C C | DQ1200ASP | 1 | 0.02 % | | 1 | 0.01 % | | 33 | C D / C D D C / C | I0/S58Y/P | 1 | 0.02 % | | 2 | 0.02 % | | 34 | D C D C C C / C | 9A5MPV/P | 1 | 0.02 % | | 1 | 0.01 % | | 35 | C C D C C C / C C | IU1DUB/MM | 1 | 0.02 % | | 1 | 0.01 % | | 36 | D C D D C | 4U25B | 1 | 0.02 % | | 2 | 0.02 % | | 37 | C C / C C D C | EA/WE9V | 1 | 0.02 % | | 2 | 0.02 % | | 38 | C C D D C | LX75V | 1 | 0.02 % | | 2 | 0.02 % | | 39 | C C / C D C C | MW/R6AF | 1 | 0.02 % | | 2 | 0.02 % | | 40 | D C D D D C C C | 3Z100PIP | 1 | 0.02 % | | 2 | 0.02 % | | 41 | C C / C C D C C C | PA/SQ3OMZ | 1 | 0.02 % | | 2 | 0.02 % | | 42 | C C D D C C C C C | PI33EUDXF | 1 | 0.02 % | | 1 | 0.01 % | | 43 | C C D / C D C C | PJ7/K0CD | 1 | 0.02 % | | 1 | 0.01 % | | 44 | C D C C / C C C | R1FW/QRP | 1 | 0.02 % | | 1 | 0.01 % | | 45 | D C / C C D C | 9A/AI6V | 1 | 0.02 % | | 2 | 0.02 % | | 46 | C C D D D C C C | SP100PIP | 1 | 0.02 % | | 1 | 0.01 % | | 47 | C C D C C C / C | UA0SBQ/P | 1 | 0.02 % | | 1 | 0.01 % | | 48 | C D / C C D C | V4/WX4G | 1 | 0.02 % | | 1 | 0.01 % | | 49 | C D / C D D C C | W2/E78WW | 1 | 0.02 % | | 1 | 0.01 % | | 50 | C C D C C / C C | YL3IZ/MM | 1 | 0.02 % | | 1 | 0.01 % | |
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