| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
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| 1 | C C D C C C | BD6AHP | 1347 | 30.45 % | | 2065 | 25.95 % | | | 2 | C C D C C | AB1NS | 1332 | 30.12 % | | 2652 | 33.33 % | | | 3 | C C D C | AB1J | 538 | 12.16 % | | 1326 | 16.66 % | | | 4 | C D C C C | F0MON | 441 | 9.97 % | | 608 | 7.64 % | | | 5 | C D C C | B9HQ | 421 | 9.52 % | | 661 | 8.31 % | | | 6 | C D D C C | A41NN | 57 | 1.29 % | | 140 | 1.76 % | | | 7 | D C D C C | 4L6QC | 51 | 1.15 % | | 102 | 1.28 % | | | 8 | D C D C C C | 2E0AOZ | 34 | 0.77 % | | 45 | 0.57 % | | | 9 | C D D C | E70A | 30 | 0.68 % | | 66 | 0.83 % | | | 10 | C C D C C C / C | CS7AIN/M | 21 | 0.47 % | | 29 | 0.36 % | | | 11 | C D C | G2Z | 17 | 0.38 % | | 40 | 0.50 % | | | 12 | D C D C | 3Z1K | 17 | 0.38 % | | 30 | 0.38 % | | | 13 | C C D C C / C | DC0HD/M | 13 | 0.29 % | | 18 | 0.23 % | | | 14 | C D C C C / C | F1BOH/P | 7 | 0.16 % | | 9 | 0.11 % | | | 15 | C C / C C D C C | MW/PE1HB | 6 | 0.14 % | | 7 | 0.09 % | | | 16 | C D D C C C | E23HSW | 6 | 0.14 % | | 16 | 0.20 % | | | 17 | C C D C C C / D | IZ0EIK/2 | 5 | 0.11 % | | 5 | 0.06 % | | | 18 | C C / C C D C C C | DL/ON4PRA | 5 | 0.11 % | | 6 | 0.08 % | | | 19 | C C D C C / D | NU1AW/5 | 4 | 0.09 % | | 8 | 0.10 % | | | 20 | C C D D D C C | LY764KM | 4 | 0.09 % | | 15 | 0.19 % | | | 21 | C C D C C C C | EH3MCEE | 4 | 0.09 % | | 4 | 0.05 % | | | 22 | C D C C / D | K3MD/1 | 4 | 0.09 % | | 12 | 0.15 % | | | 23 | C C D D C C | ES17EU | 4 | 0.09 % | | 6 | 0.08 % | | | 24 | C C D / C C D C C | EA5/DK5IM | 4 | 0.09 % | | 6 | 0.08 % | | | 25 | C C D D C C C | DM60BER | 3 | 0.07 % | | 4 | 0.05 % | | | 26 | C C / C C D C C C / C | DL/ON4PRA/P | 3 | 0.07 % | | 3 | 0.04 % | | | 27 | C C D D C | OG55W | 3 | 0.07 % | | 9 | 0.11 % | | | 28 | C C D D D C | EV950O | 3 | 0.07 % | | 8 | 0.10 % | | | 29 | C C D C C C / C C C | BG4GOK/QRP | 3 | 0.07 % | | 4 | 0.05 % | | | 30 | C C D / C C D C C C | EA5/MM0GOR | 3 | 0.07 % | | 4 | 0.05 % | | | 31 | C D C C / C | F4KI/P | 2 | 0.05 % | | 2 | 0.03 % | | | 32 | C C D / C C D C | PJ7/NF4U | 2 | 0.05 % | | 3 | 0.04 % | | | 33 | C D C C C C | F1QGHR | 2 | 0.05 % | | 2 | 0.03 % | | | 34 | D C / C C D C C C | 9A/DM5JBN | 2 | 0.05 % | | 3 | 0.04 % | | | 35 | D C D C C / C | 4X1UF/M | 2 | 0.05 % | | 2 | 0.03 % | | | 36 | C C D C / D | RG0F/5 | 2 | 0.05 % | | 7 | 0.09 % | | | 37 | C C / C C D C | FP/KV1J | 2 | 0.05 % | | 2 | 0.03 % | | | 38 | D C D D C | 8P50B | 1 | 0.02 % | | 2 | 0.03 % | | | 39 | C / C D C C C | F/G4BJM | 1 | 0.02 % | | 5 | 0.06 % | | | 40 | D C / C D D C C | 9A/S57KM | 1 | 0.02 % | | 2 | 0.03 % | | | 41 | C / C C D C C | F/DF5RF | 1 | 0.02 % | | 1 | 0.01 % | | | 42 | C D C C / C C D | K2NV/VE3 | 1 | 0.02 % | | 1 | 0.01 % | | | 43 | C / C C D C | F/RL5D | 1 | 0.02 % | | 1 | 0.01 % | | | 44 | C C / C D C C C | HA/R2DAW | 1 | 0.02 % | | 1 | 0.01 % | | | 45 | C C / C C D C C / C | LX/DC6BW/P | 1 | 0.02 % | | 1 | 0.01 % | | | 46 | C C D C C C / C C D | IK2AIT/IV3 | 1 | 0.02 % | | 1 | 0.01 % | | | 47 | C C D C C C C C | DL2URLVL | 1 | 0.02 % | | 1 | 0.01 % | | | 48 | D C D D C C | 9A57AX | 1 | 0.02 % | | 1 | 0.01 % | | | 49 | C C D D C C C C C C | DB20ENERGY | 1 | 0.02 % | | 1 | 0.01 % | | | 50 | C D C C C / D | K9QVB/9 | 1 | 0.02 % | | 1 | 0.01 % | | | 51 | C D D D D C | R1255F | 1 | 0.02 % | | 2 | 0.03 % | | | 52 | C D / C C D C C | I3/VY2YY | 1 | 0.02 % | | 1 | 0.01 % | | | 53 | C D D C C / C C C | S52RA/QRP | 1 | 0.02 % | | 1 | 0.01 % | | | 54 | C C D / C D D C C / C | SV4/Z32TO/P | 1 | 0.02 % | | 1 | 0.01 % | | | 55 | C D C / C | W1A/J | 1 | 0.02 % | | 1 | 0.01 % | | | 56 | C C D C C / C C C | YU1LM/QRP | 1 | 0.02 % | | 3 | 0.04 % | |
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