| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C C | AM1ASX | 2557 | 43.84 % | | 4646 | 41.95 % | | | 2 | C C D C C | AB3AH | 1723 | 29.54 % | | 3393 | 30.63 % | | | 3 | C D C C C | D1NVG | 823 | 14.11 % | | 1499 | 13.53 % | | | 4 | C C D C | AD3C | 234 | 4.01 % | | 472 | 4.26 % | | | 5 | C D C C | F1CS | 191 | 3.28 % | | 403 | 3.64 % | | | 6 | D C D C C | 4O6AH | 68 | 1.17 % | | 178 | 1.61 % | | | 7 | C D D C C | A41MK | 61 | 1.05 % | | 171 | 1.54 % | | | 8 | D C D C C C | 2E0APZ | 59 | 1.01 % | | 124 | 1.12 % | | | 9 | C D D C | E73Y | 19 | 0.33 % | | 61 | 0.55 % | | | 10 | C D D C C C | E73ENS | 14 | 0.24 % | | 21 | 0.19 % | | | 11 | D C D C | 3Z6O | 10 | 0.17 % | | 23 | 0.21 % | | | 12 | C C D C C C / C | CT7AQS/P | 10 | 0.17 % | | 11 | 0.10 % | | | 13 | C C D C C C / C C C | DF2IAG/QRP | 8 | 0.14 % | | 9 | 0.08 % | | | 14 | C C D C C / C | DB9LG/P | 7 | 0.12 % | | 9 | 0.08 % | | | 15 | C C D C C C / D | IU2GID/3 | 5 | 0.09 % | | 5 | 0.05 % | | | 16 | C D C C C / C | G0FKF/P | 5 | 0.09 % | | 5 | 0.05 % | | | 17 | C C D D C C C | DL70TRS | 4 | 0.07 % | | 9 | 0.08 % | | | 18 | C C / C C D C C C | DL/OE5DRP | 2 | 0.03 % | | 2 | 0.02 % | | | 19 | C C D C C C C | LZ1HTIA | 2 | 0.03 % | | 2 | 0.02 % | | | 20 | C C C C C | GOIBN | 2 | 0.03 % | | 2 | 0.02 % | | | 21 | C D D D D C | S5230F | 2 | 0.03 % | | 2 | 0.02 % | | | 22 | C C D D D C C C | SQ200CLJ | 2 | 0.03 % | | 2 | 0.02 % | | | 23 | C C D C C / D | ES1OD/3 | 2 | 0.03 % | | 2 | 0.02 % | | | 24 | C C D C / C | OT6V/P | 2 | 0.03 % | | 2 | 0.02 % | | | 25 | C / C C D C C / C | F/ON5JO/P | 1 | 0.02 % | | 1 | 0.01 % | | | 26 | D C / C C D C C | 9A/ON6GU | 1 | 0.02 % | | 1 | 0.01 % | | | 27 | C D / C C D C C | I1/YO9SH | 1 | 0.02 % | | 1 | 0.01 % | | | 28 | C C D C C D D D | IQ2CJ599 | 1 | 0.02 % | | 1 | 0.01 % | | | 29 | C / C C D C C | F/TK5JJ | 1 | 0.02 % | | 1 | 0.01 % | | | 30 | C D C | K2M | 1 | 0.02 % | | 1 | 0.01 % | | | 31 | C D C C / C | F5DB/P | 1 | 0.02 % | | 1 | 0.01 % | | | 32 | C C / C C D C C | OH/DL6OA | 1 | 0.02 % | | 1 | 0.01 % | | | 33 | C D C C C / C C C | G3ZCH/QRP | 1 | 0.02 % | | 1 | 0.01 % | | | 34 | C D D C C C C | R21EURO | 1 | 0.02 % | | 1 | 0.01 % | | | 35 | C D C C / D | R5FN/6 | 1 | 0.02 % | | 1 | 0.01 % | | | 36 | C D D D C C C | R800ANG | 1 | 0.02 % | | 1 | 0.01 % | | | 37 | C C D D | RO90 | 1 | 0.02 % | | 1 | 0.01 % | | | 38 | C C D C / D | RV7B/9 | 1 | 0.02 % | | 1 | 0.01 % | | | 39 | C D D / C C D C C C | S49/IK2ECC | 1 | 0.02 % | | 1 | 0.01 % | | | 40 | C D D D D C C | S5030XX | 1 | 0.02 % | | 2 | 0.02 % | | | 41 | C C D D C C | OL70DG | 1 | 0.02 % | | 3 | 0.03 % | | | 42 | C C / C C D C | SP/WR3Y | 1 | 0.02 % | | 1 | 0.01 % | | | 43 | C D C C / C C C | R1AR/QRP | 1 | 0.02 % | | 1 | 0.01 % | | | 44 | C C D C C / C C C | YU1LM/QRP | 1 | 0.02 % | | 1 | 0.01 % | |
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