| Callsign structure # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
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1 | C C D C C C | AM5CJS | 2253 | 50.79 % | | 3852 | 51.34 % | | 2 | C C D C C | AA1NK | 991 | 22.34 % | | 1676 | 22.34 % | | 3 | C D C C C | D1IJZ | 561 | 12.65 % | | 971 | 12.94 % | | 4 | C C D C | AA2T | 159 | 3.58 % | | 246 | 3.28 % | | 5 | C D C C | D1DX | 136 | 3.07 % | | 201 | 2.68 % | | 6 | D C D C C | 3A2MW | 54 | 1.22 % | | 126 | 1.68 % | | 7 | D C D C C C | 2E0BJL | 52 | 1.17 % | | 101 | 1.35 % | | 8 | C C D C C C / C | DH1JAD/P | 33 | 0.74 % | | 40 | 0.53 % | | 9 | C D D C C | A41DX | 25 | 0.56 % | | 30 | 0.40 % | | 10 | C C D C C C / D | EA8AAH/5 | 19 | 0.43 % | | 22 | 0.29 % | | 11 | C C D C C C / C C C | HB9DAX/QRP | 15 | 0.34 % | | 15 | 0.20 % | | 12 | C D C C C / C | F1LPT/P | 13 | 0.29 % | | 24 | 0.32 % | | 13 | D C D C | 3Z8Z | 8 | 0.18 % | | 37 | 0.49 % | | 14 | C D D C | E75W | 8 | 0.18 % | | 12 | 0.16 % | | 15 | C C D C C C / C C D | IK1MHJ/IX1 | 7 | 0.16 % | | 7 | 0.09 % | | 16 | C C D D C C C | CX90RCU | 7 | 0.16 % | | 8 | 0.11 % | | 17 | C C D C C / C | EA1LN/P | 6 | 0.14 % | | 7 | 0.09 % | | 18 | C C D C C / C C C | DF6RI/QRP | 6 | 0.14 % | | 6 | 0.08 % | | 19 | C C D / C C D C C C | EA1/DH0GSU | 6 | 0.14 % | | 8 | 0.11 % | | 20 | C C / C C D C C | DL/PA2RO | 5 | 0.11 % | | 5 | 0.07 % | | 21 | C C / C C D C C C | OE/DG3FAW | 4 | 0.09 % | | 5 | 0.07 % | | 22 | C D D C C C | R80WKB | 4 | 0.09 % | | 4 | 0.05 % | | 23 | C D C C C / C C C | G3ZCH/QRP | 4 | 0.09 % | | 4 | 0.05 % | | 24 | C C D C C / C C | DK0RA/LH | 4 | 0.09 % | | 4 | 0.05 % | | 25 | C C D D D C C | DL100TC | 3 | 0.07 % | | 4 | 0.05 % | | 26 | D C D C C / C | 9A2HX/P | 3 | 0.07 % | | 3 | 0.04 % | | 27 | C C D C C C C | II6POPE | 3 | 0.07 % | | 11 | 0.15 % | | 28 | C C D D C C C C | DL60KIRN | 3 | 0.07 % | | 7 | 0.09 % | | 29 | C C D / C C D C C | EA7/LA9DL | 3 | 0.07 % | | 3 | 0.04 % | | 30 | C C D C C / D | CT4VB/1 | 3 | 0.07 % | | 3 | 0.04 % | | 31 | C D C C / D | N1UL/2 | 2 | 0.05 % | | 6 | 0.08 % | | 32 | C C / C C D C C / C | LA/DM2VV/P | 2 | 0.05 % | | 2 | 0.03 % | | 33 | C D C C C / D | I1EPJ/1 | 2 | 0.05 % | | 3 | 0.04 % | | 34 | C D D D C C | R110AM | 2 | 0.05 % | | 3 | 0.04 % | | 35 | D C / C D D C C | 9A/S57ZM | 1 | 0.02 % | | 1 | 0.01 % | | 36 | D C / C D C C C | 5B/G0KPH | 1 | 0.02 % | | 2 | 0.03 % | | 37 | C / C C D C C | F/ON8IM | 1 | 0.02 % | | 2 | 0.03 % | | 38 | D C D D D C C C | 9A150TEC | 1 | 0.02 % | | 1 | 0.01 % | | 39 | C C / C D C C C / C | DL/F4EPU/P | 1 | 0.02 % | | 2 | 0.03 % | | 40 | C C D / C C D C C C / HB0/DL7PIA/P | 1 | 0.02 % | | 1 | 0.01 % | | | 41 | C / C C D C C C / C | F/DL1KBA/P | 1 | 0.02 % | | 1 | 0.01 % | | 42 | D C D C C / C C C | 9A4LW/QRP | 1 | 0.02 % | | 1 | 0.01 % | | 43 | C C D D C C C C C C | DR60WUNDER | 1 | 0.02 % | | 1 | 0.01 % | | 44 | D C / C C D C C C / C | 9A/HA3FFG/P | 1 | 0.02 % | | 1 | 0.01 % | | 45 | C D C C C / C C | F6KMB/LH | 1 | 0.02 % | | 1 | 0.01 % | | 46 | C C D C C C / C C C C | IU8QGL/QRPP | 1 | 0.02 % | | 1 | 0.01 % | | 47 | C C D C C C / C D | IZ1STS/I3 | 1 | 0.02 % | | 1 | 0.01 % | | 48 | D C D D C C | 3Z70FI | 1 | 0.02 % | | 5 | 0.07 % | | 49 | C C / C D C C C | LA/G3SWC | 1 | 0.02 % | | 1 | 0.01 % | | 50 | C / C D C C C | F/G0LRH | 1 | 0.02 % | | 2 | 0.03 % | | 51 | C C D D D C C C | DB100RDF | 1 | 0.02 % | | 3 | 0.04 % | | 52 | C C D D C C C C C | PA14JAMBO | 1 | 0.02 % | | 1 | 0.01 % | | 53 | C C D C / C | PC9F/P | 1 | 0.02 % | | 1 | 0.01 % | | 54 | D C D D D C C | 9A150NT | 1 | 0.02 % | | 3 | 0.04 % | | 55 | C D C C / C C C | R1LB/QRP | 1 | 0.02 % | | 1 | 0.01 % | | 56 | C D C C / C | R2EA/M | 1 | 0.02 % | | 1 | 0.01 % | | 57 | C D D D C C C | R300EKB | 1 | 0.02 % | | 2 | 0.03 % | | 58 | C D C C C / C C D | I7WAN/IN3 | 1 | 0.02 % | | 1 | 0.01 % | | 59 | C C D C / D | RC2O/6 | 1 | 0.02 % | | 1 | 0.01 % | | 60 | C C D D C C | SP88YL | 1 | 0.02 % | | 2 | 0.03 % | | 61 | C D / C C D C C C | W4/YV7AXM | 1 | 0.02 % | | 1 | 0.01 % | | 62 | C C D C C C / C C | YO4RYU/MM | 1 | 0.02 % | | 3 | 0.04 % | | 63 | C C D D D D C C C C C | YR2023SIMPO | 1 | 0.02 % | | 2 | 0.03 % | | 64 | C D D C / C | Z35M/P | 1 | 0.02 % | | 1 | 0.01 % | |
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