| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C | AA1K | 168 | 38.01 % | | 196 | 38.28 % | | | 2 | C C D C C | CN2CO | 91 | 20.59 % | | 103 | 20.12 % | | | 3 | C C D C C C | CN8MAA | 60 | 13.57 % | | 65 | 12.70 % | | | 4 | C D C C | E7CW | 55 | 12.44 % | | 69 | 13.48 % | | | 5 | C D D C | A44A | 15 | 3.39 % | | 17 | 3.32 % | | | 6 | C D D C C | E78WW | 14 | 3.17 % | | 14 | 2.73 % | | | 7 | C D C C C | F5MUX | 14 | 3.17 % | | 17 | 3.32 % | | | 8 | D C D C | 3Z0X | 11 | 2.49 % | | 15 | 2.93 % | | | 9 | D C D C C | 4X6FR | 4 | 0.90 % | | 5 | 0.98 % | | | 10 | C C D D C C | HA90AM | 2 | 0.45 % | | 2 | 0.39 % | | | 11 | D C D C C C | 7X2ARA | 2 | 0.45 % | | 3 | 0.59 % | | | 12 | C C D D D C C | CR140AA | 1 | 0.23 % | | 1 | 0.20 % | | | 13 | C C D / C C D C | IH9/OL3R | 1 | 0.23 % | | 1 | 0.20 % | | | 14 | C C D D C | OG60F | 1 | 0.23 % | | 1 | 0.20 % | | | 15 | C C D D D C | YR100R | 1 | 0.23 % | | 1 | 0.20 % | | | 16 | C D C | Z3B | 1 | 0.23 % | | 1 | 0.20 % | | | 17 | C C / C C D C | ZA/OU2I | 1 | 0.23 % | | 1 | 0.20 % | |
|