| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C | AB4B | 375 | 22.88 % | | 604 | 27.10 % | | | 2 | C C D C C | AB1OC | 373 | 22.76 % | | 474 | 21.27 % | | | 3 | C D C C | E7DX | 316 | 19.28 % | | 456 | 20.46 % | | | 4 | C C D C C C | DF0GEB | 308 | 18.79 % | | 343 | 15.39 % | | | 5 | C D C C C | C6AZZ | 175 | 10.68 % | | 203 | 9.11 % | | | 6 | C D C | C4Z | 20 | 1.22 % | | 38 | 1.70 % | | | 7 | C D D C | E72U | 20 | 1.22 % | | 33 | 1.48 % | | | 8 | D C D C | 4L0A | 16 | 0.98 % | | 33 | 1.48 % | | | 9 | C D D C C | A45XR | 15 | 0.92 % | | 17 | 0.76 % | | | 10 | D C D C C | 4A1TD | 9 | 0.55 % | | 10 | 0.45 % | | | 11 | C C D D C | HA30S | 2 | 0.12 % | | 7 | 0.31 % | | | 12 | C D D C C C | S57NAW | 2 | 0.12 % | | 2 | 0.09 % | | | 13 | C C D / C C D C C | HB9/RV3DH | 1 | 0.06 % | | 1 | 0.04 % | | | 14 | C C / C C D C C | OZ/DJ1XT | 1 | 0.06 % | | 1 | 0.04 % | | | 15 | C D C C / C C D | N2WQ/VE3 | 1 | 0.06 % | | 1 | 0.04 % | | | 16 | C C D C C C / D | SM0MPV/0 | 1 | 0.06 % | | 2 | 0.09 % | | | 17 | C C D C C / C | VE3ZT/M | 1 | 0.06 % | | 1 | 0.04 % | | | 18 | C D C C / C | W9HB/M | 1 | 0.06 % | | 1 | 0.04 % | | | 19 | C C D C C / C C C | YT1CI/QRP | 1 | 0.06 % | | 1 | 0.04 % | | | 20 | C C D C / C C C | YU0W/QRP | 1 | 0.06 % | | 1 | 0.04 % | |
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