| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C C | BD4STG | 1724 | 38.88 % | | 2361 | 35.05 % | | | 2 | C C D C C | AA1AC | 1163 | 26.23 % | | 1625 | 24.12 % | | | 3 | C D C C C | F1ABG | 996 | 22.46 % | | 1588 | 23.57 % | | | 4 | C C D C | AA0N | 169 | 3.81 % | | 219 | 3.25 % | | | 5 | C D C C | D1FF | 146 | 3.29 % | | 208 | 3.09 % | | | 6 | D C D C C | 0Z3FS | 49 | 1.11 % | | 78 | 1.16 % | | | 7 | D C D C C C | 2E0APG | 43 | 0.97 % | | 57 | 0.85 % | | | 8 | C D D C C | A41ZZ | 29 | 0.65 % | | 35 | 0.52 % | | | 9 | C D C C C / C | F1HOM/P | 21 | 0.47 % | | 31 | 0.46 % | | | 10 | C C D C C C / C | CS7BDJ/P | 12 | 0.27 % | | 14 | 0.21 % | | | 11 | C C D D C C | HA50HK | 9 | 0.20 % | | 18 | 0.27 % | | | 12 | C D D C | E72U | 9 | 0.20 % | | 13 | 0.19 % | | | 13 | D C D C | 5U5K | 8 | 0.18 % | | 9 | 0.13 % | | | 14 | C D D C C C | D44KAN | 5 | 0.11 % | | 5 | 0.07 % | | | 15 | C C / C C D C C | OZ/LA8DW | 4 | 0.09 % | | 4 | 0.06 % | | | 16 | C C / C C D C C C | DL/OK2CAV | 3 | 0.07 % | | 4 | 0.06 % | | | 17 | C / C C D C C | F/DH8WQ | 3 | 0.07 % | | 4 | 0.06 % | | | 18 | C C D D C | CU25I | 3 | 0.07 % | | 3 | 0.04 % | | | 19 | C C D / C C D C C C | EA3/HB9ATX | 3 | 0.07 % | | 3 | 0.04 % | | | 20 | C D C C C / C C C | F1JHA/QRP | 3 | 0.07 % | | 3 | 0.04 % | | | 21 | C D C C C C | F1HOMP | 3 | 0.07 % | | 3 | 0.04 % | | | 22 | C C D / C C D C C | EA5/DG9WH | 2 | 0.05 % | | 2 | 0.03 % | | | 23 | C C C C C | MOBMX | 2 | 0.05 % | | 2 | 0.03 % | | | 24 | C / C C D C C C | F/HB9AFI | 2 | 0.05 % | | 2 | 0.03 % | | | 25 | C C D C C / C | DF6OM/P | 2 | 0.05 % | | 3 | 0.04 % | | | 26 | C C D C C C / D | HK5NLJ/3 | 2 | 0.05 % | | 2 | 0.03 % | | | 27 | C C C C | FUAK | 2 | 0.05 % | | 2 | 0.03 % | | | 28 | C C D D D D C | DL2024O | 1 | 0.02 % | | 1 | 0.01 % | | | 29 | D C C C C C | 2EOMNG | 1 | 0.02 % | | 1 | 0.01 % | | | 30 | D C D C C C / C | 5M7CWE/R | 1 | 0.02 % | | 1 | 0.01 % | | | 31 | D C / C C D C C C | 9A/OK2BUJ | 1 | 0.02 % | | 2 | 0.03 % | | | 32 | C C D C C / C C C | HA3UH/QRP | 1 | 0.02 % | | 1 | 0.01 % | | | 33 | C C D / C C D C | EA5/PA2P | 1 | 0.02 % | | 1 | 0.01 % | | | 34 | C C D D | EC34 | 1 | 0.02 % | | 1 | 0.01 % | | | 35 | C C D C C C / C C C | IK9EJW/QRP | 1 | 0.02 % | | 1 | 0.01 % | | | 36 | C C D C C C D | IZ3ZUC1 | 1 | 0.02 % | | 1 | 0.01 % | | | 37 | C C D D D D | IZ5106 | 1 | 0.02 % | | 1 | 0.01 % | | | 38 | C D C C / D | K3BE/1 | 1 | 0.02 % | | 1 | 0.01 % | | | 39 | C D / C C D C C C | E7/HB9EFA | 1 | 0.02 % | | 1 | 0.01 % | | | 40 | C C / C D C C C | EA/F8DHA | 1 | 0.02 % | | 1 | 0.01 % | | | 41 | C C D C / C | PA0Y/P | 1 | 0.02 % | | 1 | 0.01 % | | | 42 | C D D D D C | R2024R | 1 | 0.02 % | | 1 | 0.01 % | | | 43 | C C D C C C C C | SO1OTTON | 1 | 0.02 % | | 2 | 0.03 % | | | 44 | C C D D C C C | TM17FFF | 1 | 0.02 % | | 1 | 0.01 % | |
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