| Callsign structure # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
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1 | C C D C C C | AA1VAY | 4761 | 41.16 % | | 8485 | 38.28 % | | 2 | C C D C C | AA1IL | 3254 | 28.13 % | | 7108 | 32.07 % | | 3 | C D C C C | A3ECH | 1203 | 10.40 % | | 1952 | 8.81 % | | 4 | C C D C | AA1K | 787 | 6.80 % | | 1840 | 8.30 % | | 5 | C D C C | D2QU | 471 | 4.07 % | | 995 | 4.49 % | | 6 | D C D C C | 1B1AB | 97 | 0.84 % | | 179 | 0.81 % | | 7 | D C D C C C | 1G0THY | 97 | 0.84 % | | 142 | 0.64 % | | 8 | C C D C C C / C | CT1MTT/P | 83 | 0.72 % | | 97 | 0.44 % | | 9 | C D D C C | A41NW | 68 | 0.59 % | | 119 | 0.54 % | | 10 | C C D C C / C | AB9QT/M | 51 | 0.44 % | | 62 | 0.28 % | | 11 | C C D C C C / D | HI8PLE/7 | 50 | 0.43 % | | 85 | 0.38 % | | 12 | C C D C C C / C C C |
CT2HPM/QRP | 49 | 0.42 % | | 58 | 0.26 % | | 13 | C D D C | A61E | 42 | 0.36 % | | 93 | 0.42 % | | 14 | D C D C | 3G3P | 39 | 0.34 % | | 67 | 0.30 % | | 15 | C C D D C | EI66P | 32 | 0.28 % | | 44 | 0.20 % | | 16 | C D C C C / C | F1AFW/P | 25 | 0.22 % | | 35 | 0.16 % | | 17 | C C D C C / C C C | DD4QN/QRP | 25 | 0.22 % | | 41 | 0.18 % | | 18 | C D C | B1Z | 24 | 0.21 % | | 33 | 0.15 % | | 19 | C C D D C C | EK20KE | 24 | 0.21 % | | 31 | 0.14 % | | 20 | C C D D C C C | DL60HSC | 23 | 0.20 % | | 36 | 0.16 % | | 21 | C D D C C C | E21EJC | 23 | 0.20 % | | 38 | 0.17 % | | 22 | C C D / C C D C C C |
CT9/DL3KWR | 22 | 0.19 % | | 31 | 0.14 % | | 23 | C C D / C C D C C | CE2/VE7SV | 19 | 0.16 % | | 25 | 0.11 % | | 24 | C C D C C / D | EA1DX/5 | 16 | 0.14 % | | 22 | 0.10 % | | 25 | C D C C C / C C C | F1RXM/QRP | 14 | 0.12 % | | 15 | 0.07 % | | 26 | C C / C C D C C | HA/DM8DR | 13 | 0.11 % | | 14 | 0.06 % | | 27 | C C D D C C C C | DQ60SAAR | 13 | 0.11 % | | 15 | 0.07 % | | 28 | C D C C / D | I1SU/1 | 12 | 0.10 % | | 13 | 0.06 % | | 29 | C C / C C D C C C | DL/PA3JMS | 10 | 0.09 % | | 11 | 0.05 % | | 30 | C C D D D D C C | DR1050EB | 9 | 0.08 % | | 14 | 0.06 % | | 31 | C C / C C D C C C / C | CT/EB1BSV/M | 8 | 0.07 % | | 10 | 0.05 % | | 32 | C C D D D C C | CG100NS | 8 | 0.07 % | | 9 | 0.04 % | | 33 | C D C C C / D | I2DKJ/3 | 8 | 0.07 % | | 8 | 0.04 % | | 34 | C C C C C C | HAITMH | 7 | 0.06 % | | 7 | 0.03 % | | 35 | C D / C C D C C C | A6/DL9WVM | 7 | 0.06 % | | 16 | 0.07 % | | 36 | C C D / C D C C C | CT7/G3RWF | 7 | 0.06 % | | 7 | 0.03 % | | 37 | C C D C C C / C C | CS2HNI/LH | 6 | 0.05 % | | 7 | 0.03 % | | 38 | C C D C C / C C | PG6HK/LH | 6 | 0.05 % | | 8 | 0.04 % | | 39 | C C D D D C C C | EM800BZB | 6 | 0.05 % | | 10 | 0.05 % | | 40 | C C D D D C | LY775D | 6 | 0.05 % | | 10 | 0.05 % | | 41 | C C C D C C | DEW6DM | 6 | 0.05 % | | 6 | 0.03 % | | 42 | C C C C | FSDQ | 5 | 0.04 % | | 5 | 0.02 % | | 43 | C / C C D C C C | F/PA0WCH | 5 | 0.04 % | | 7 | 0.03 % | | 44 | D C D D C C | 4X20HC | 5 | 0.04 % | | 6 | 0.03 % | | 45 | C C / C C D C | DL/CE9I | 4 | 0.03 % | | 6 | 0.03 % | | 46 | C C D C / D | EV1P/2 | 4 | 0.03 % | | 10 | 0.05 % | | 47 | D C D D C | 4J85K | 4 | 0.03 % | | 4 | 0.02 % | | 48 | C C D D D D C C C | LZ1016WIW | 4 | 0.03 % | | 6 | 0.03 % | | 49 | C D D D C C | R300ML | 4 | 0.03 % | | 5 | 0.02 % | | 50 | D C / C C D C C C | 5B/TG4IRN | 4 | 0.03 % | | 4 | 0.02 % | | 51 | C C D C C C C | IK2SBBB | 4 | 0.03 % | | 4 | 0.02 % | | 52 | C C D D D D C | DQ1175E | 3 | 0.03 % | | 6 | 0.03 % | | 53 | C C D C C C / C C D |
EA7HLU/EA1 | 3 | 0.03 % | | 3 | 0.01 % | | 54 | C C D C / C | KQ3Q/P | 3 | 0.03 % | | 3 | 0.01 % | | 55 | C C D / C D C C | CT8/G5LP | 3 | 0.03 % | | 3 | 0.01 % | | 56 | C / C C D C C | F/EI5DS | 3 | 0.03 % | | 3 | 0.01 % | | 57 | C C D C C C / C D | IN2OWY/I2 | 3 | 0.03 % | | 61 | 0.28 % | | 58 | D C / C C D C C | 4X/UT7DK | 3 | 0.03 % | | 6 | 0.03 % | | 59 | D C D C C C / C | 2E0CWR/P | 2 | 0.02 % | | 2 | 0.01 % | | 60 | D C / C D D C C | 4O/S59AA | 2 | 0.02 % | | 2 | 0.01 % | | 61 | D C D / C C D C C | 5N6/YL2SW | 2 | 0.02 % | | 2 | 0.01 % | | 62 | C C D / C C D C C C / C ' | EA7/DL8DBJ/P | 2 | 0.02 % | | 2 | 0.01 % | | 63 | C C C D C C C | FMF1JLM | 2 | 0.02 % | | 2 | 0.01 % | | 64 | C C D D D C C C C | DR800PORT | 2 | 0.02 % | | 3 | 0.01 % | | 65 | C C D C / C C C | DG9Z/QRP | 2 | 0.02 % | | 2 | 0.01 % | | 66 | C C D D D D C C C C |
OM2011IHWC | 2 | 0.02 % | | 2 | 0.01 % | | 67 | C C C C C | USOMF | 2 | 0.02 % | | 2 | 0.01 % | | 68 | C D C C / C | N2FI/M | 2 | 0.02 % | | 4 | 0.02 % | | 69 | C C D C C C C C | DA2MORSE | 2 | 0.02 % | | 3 | 0.01 % | | 70 | C C / C D D C C | TK/E73DX | 2 | 0.02 % | | 2 | 0.01 % | | 71 | C C D / C C D C C / C | EA3/PE0VT/P | 2 | 0.02 % | | 2 | 0.01 % | | 72 | C D / C C D C C | V5/DK1CE | 2 | 0.02 % | | 2 | 0.01 % | | 73 | D C D C C C / C C | 9A3ADE/MM | 1 | 0.01 % | | 1 | 0.00 % | | 74 | C / C C D C C C / C |
F/PA1ALG/P | 1 | 0.01 % | | 1 | 0.00 % | | 75 | D C D C C C / D | 7N1PRD/0 | 1 | 0.01 % | | 1 | 0.00 % | | 76 | C C D D C C C C C C |
EV85DOSAAF | 1 | 0.01 % | | 1 | 0.00 % | | 77 | C C C D C C C / C C C | EIE0HJC/QRP | 1 | 0.01 % | | 1 | 0.00 % | | 78 | D C D C C C / C D | 9N3OWJ/I2 | 1 | 0.01 % | | 1 | 0.00 % | | 79 | C C D C / C C | DM3G/LH | 1 | 0.01 % | | 1 | 0.00 % | | 80 | D | 6 | 1 | 0.01 % | | 140 | 0.63 % | | 81 | C C D D C C C C / C C C | DR11BUGA/QRP | 1 | 0.01 % | | 1 | 0.00 % | | 82 | C C D D C C C C C C / D | EV85DOSAAF/2 | 1 | 0.01 % | | 1 | 0.00 % | | 83 | D C D C / C | 9A1R/P | 1 | 0.01 % | | 1 | 0.00 % | | 84 | C D C C C C | F6IBMF | 1 | 0.01 % | | 1 | 0.00 % | | 85 | D C / C D C C C | 5B/G4IRN | 1 | 0.01 % | | 1 | 0.00 % | | 86 | C C D D D | BV100 | 1 | 0.01 % | | 5 | 0.02 % | | 87 | C C D / C C D C C / C / <' |
EA7/PA7ML/P/Q | 1 | 0.01 % | | 1 | 0.00 % | | 88 | C C D C D D C | LM9L40Y | 1 | 0.01 % | | 1 | 0.00 % | | 89 | C C D C D C | LY3I7C | 1 | 0.01 % | | 1 | 0.00 % | | 90 | C C D / C C D C C C / C ' |
EA8/OE7WGT/P/ | 1 | 0.01 % | | 1 | 0.00 % | | 91 | D C D C C C / C C C |
2E0RGL/QRP | 1 | 0.01 % | | 1 | 0.00 % | | 92 | C / C D C C / C C C |
M/F6HI/QRP | 1 | 0.01 % | | 1 | 0.00 % | | 93 | D C D D D C C C | 3Z100MSC | 1 | 0.01 % | | 1 | 0.00 % | | 94 | D C D C C / C C | 4L1QX/MM | 1 | 0.01 % | | 1 | 0.00 % | | 95 | D C / C C D C / C | 4K/TA7P/M | 1 | 0.01 % | | 1 | 0.00 % | | 96 | C C D D C C C / C C C | PA30ATG/QRP | 1 | 0.01 % | | 1 | 0.00 % | | 97 | C C D D C C C C C | PC11AMBER | 1 | 0.01 % | | 1 | 0.00 % | | 98 | C / C D C C C | F/G4BJM | 1 | 0.01 % | | 1 | 0.00 % | | 99 | C D D D D C C | R1941MB | 1 | 0.01 % | | 2 | 0.01 % | | 100 | C / C C D C C / C | F/ON4UQ/A | 1 | 0.01 % | | 1 | 0.00 % | | 101 | C C D D C / C | RP66R/P | 1 | 0.01 % | | 1 | 0.00 % | | 102 | C D D C C / C C C | S51CL/QRP | 1 | 0.01 % | | 1 | 0.00 % | | 103 | C D D C / C C C | S52B/QRP | 1 | 0.01 % | | 1 | 0.00 % | | 104 | C D D D C C C | S550ACP | 1 | 0.01 % | | 1 | 0.00 % | | 105 | C C D C C D C C C / C | SM7OZ1BRL/P | 1 | 0.01 % | | 1 | 0.00 % | | 106 | C C / C D C C C | SP/I4ZSQ | 1 | 0.01 % | | 1 | 0.00 % | | 107 | C C D C C C / C C C C | SQ8IFG/QRPP | 1 | 0.01 % | | 1 | 0.00 % | | 108 | C D C C / C C D | N2WQ/VE3 | 1 | 0.01 % | | 4 | 0.02 % | | 109 | C D C C C C C / C | U5ARTEK/A | 1 | 0.01 % | | 1 | 0.00 % | | 110 | C D C C C C / C | U5ARTK/A | 1 | 0.01 % | | 1 | 0.00 % | | 111 | C C D C C C C C C | UA3PY_QRP | 1 | 0.01 % | | 1 | 0.00 % | | 112 | C C D C C D D C C D D C
US7QV96HM76UY | 1 | 0.01 % | | 1 | 0.00 % | | | 113 | C D / D C D C C | E7/9A1AA | 1 | 0.01 % | | 1 | 0.00 % | | 114 | C / C D C C C / C | F/G4BJM/P | 1 | 0.01 % | | 1 | 0.00 % | | 115 | C D / C D D C C | W1/E74OF | 1 | 0.01 % | | 2 | 0.01 % | | 116 | C D D D C | Z330F | 1 | 0.01 % | | 1 | 0.00 % | | 117 | C C / C D D C / C | ZA/Z35M/P | 1 | 0.01 % | | 1 | 0.00 % | |
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