| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
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| 1 | C C D C C C | BD7JNA | 1411 | 31.27 % | | 2260 | 26.99 % | | | 2 | C C D C C | AB1JV | 1289 | 28.56 % | | 2632 | 31.44 % | | | 3 | C C D C | AB2E | 590 | 13.07 % | | 1417 | 16.93 % | | | 4 | C D C C C | F1BOW | 522 | 11.57 % | | 769 | 9.19 % | | | 5 | C D C C | B1HQ | 431 | 9.55 % | | 748 | 8.93 % | | | 6 | C D D C C | A41CK | 41 | 0.91 % | | 98 | 1.17 % | | | 7 | D C D C C | 4X1IM | 39 | 0.86 % | | 102 | 1.22 % | | | 8 | D C D C C C | 2E0CVN | 38 | 0.84 % | | 49 | 0.59 % | | | 9 | C D D C | E73Y | 25 | 0.55 % | | 49 | 0.59 % | | | 10 | D C D C | 3Z0X | 19 | 0.42 % | | 50 | 0.60 % | | | 11 | C D C | C4W | 18 | 0.40 % | | 51 | 0.61 % | | | 12 | C C D C C C / C | DL5MFL/M | 11 | 0.24 % | | 16 | 0.19 % | | | 13 | C D D C C C | E21YDP | 6 | 0.13 % | | 10 | 0.12 % | | | 14 | C C D C C / C | DD4DN/P | 6 | 0.13 % | | 7 | 0.08 % | | | 15 | C C D D C C C | DQ60ANT | 5 | 0.11 % | | 9 | 0.11 % | | | 16 | C C D D C C | EO50FF | 4 | 0.09 % | | 5 | 0.06 % | | | 17 | C C / C C D C C | DL/YL3GX | 4 | 0.09 % | | 8 | 0.10 % | | | 18 | C D D D D C | S5230F | 3 | 0.07 % | | 8 | 0.10 % | | | 19 | C C D D D C C C | OE100HLF | 3 | 0.07 % | | 3 | 0.04 % | | | 20 | C D C C C / C | F6EOC/P | 3 | 0.07 % | | 3 | 0.04 % | | | 21 | C C D C C C / D | IK4RQJ/1 | 3 | 0.07 % | | 7 | 0.08 % | | | 22 | C C / C C D C C C | SM/DL4JWU | 2 | 0.04 % | | 4 | 0.05 % | | | 23 | C C D D C C C C | DL25GDXF | 2 | 0.04 % | | 5 | 0.06 % | | | 24 | C C D C C C C | II4WRTC | 2 | 0.04 % | | 5 | 0.06 % | | | 25 | C D C C / D | K2NV/2 | 2 | 0.04 % | | 2 | 0.02 % | | | 26 | C C D C / C | LY3X/P | 2 | 0.04 % | | 2 | 0.02 % | | | 27 | D C / C D D C C | 9A/S57GM | 2 | 0.04 % | | 4 | 0.05 % | | | 28 | D C / C C D C C C | 9A/TA2AXZ | 2 | 0.04 % | | 3 | 0.04 % | | | 29 | D C D D C C C | 3Z20OIF | 1 | 0.02 % | | 1 | 0.01 % | | | 30 | C C D / C C D C | EA5/RV2A | 1 | 0.02 % | | 1 | 0.01 % | | | 31 | C / C C D C C C | I/OE1MSW | 1 | 0.02 % | | 1 | 0.01 % | | | 32 | D C / C C D C C | 9A/ON2KP | 1 | 0.02 % | | 1 | 0.01 % | | | 33 | D C / C D C C | 9A/K7GM | 1 | 0.02 % | | 1 | 0.01 % | | | 34 | C C D / C C D C C | IS0/ON4EI | 1 | 0.02 % | | 3 | 0.04 % | | | 35 | C C D C C C / C C C | IV3FYO/QRP | 1 | 0.02 % | | 1 | 0.01 % | | | 36 | C C D C C D | HA8AT2 | 1 | 0.02 % | | 1 | 0.01 % | | | 37 | C C D / C D C C | KP4/K9AW | 1 | 0.02 % | | 1 | 0.01 % | | | 38 | D C D C C C / D | 7K1MAG/2 | 1 | 0.02 % | | 1 | 0.01 % | | | 39 | C / C C D C C | F/DJ4MZ | 1 | 0.02 % | | 2 | 0.02 % | | | 40 | C C D D D C C | OE100BL | 1 | 0.02 % | | 1 | 0.01 % | | | 41 | C C D D D C C / D | OE100BL/7 | 1 | 0.02 % | | 1 | 0.01 % | | | 42 | C D C C C C | G4CCLN | 1 | 0.02 % | | 1 | 0.01 % | | | 43 | C C D D D C C C C | OH100SRAL | 1 | 0.02 % | | 1 | 0.01 % | | | 44 | C C / C C D C C C / C | OK/DL2DXA/P | 1 | 0.02 % | | 1 | 0.01 % | | | 45 | C C D C C C / C C | ON4MGY/MM | 1 | 0.02 % | | 1 | 0.01 % | | | 46 | C C / C C D C | OZ/SO2U | 1 | 0.02 % | | 1 | 0.01 % | | | 47 | C C / C C D C C / C | PA/DL2AW/P | 1 | 0.02 % | | 2 | 0.02 % | | | 48 | C D C C / C | R9OO/P | 1 | 0.02 % | | 1 | 0.01 % | | | 49 | C D / C D D C | E7/Z35M | 1 | 0.02 % | | 4 | 0.05 % | | | 50 | C D D D D C C | S5230WW | 1 | 0.02 % | | 1 | 0.01 % | | | 51 | C D D D C C | S573SC | 1 | 0.02 % | | 1 | 0.01 % | | | 52 | C C D C C / D | NU1AW/5 | 1 | 0.02 % | | 4 | 0.05 % | | | 53 | C C D D C | TM12M | 1 | 0.02 % | | 3 | 0.04 % | | | 54 | C D C C / C C D | W1AW/KL7 | 1 | 0.02 % | | 3 | 0.04 % | | | 55 | C C D / C D C C C | WP4/K0BBC | 1 | 0.02 % | | 3 | 0.04 % | | | 56 | C C D C C / C C C | YU1LM/QRP | 1 | 0.02 % | | 3 | 0.04 % | |
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