| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C D C C C | G0EHO | 75 | 39.27 % | | 111 | 37.63 % | | | 2 | C C D C C | GB5CC | 57 | 29.84 % | | 93 | 31.53 % | | | 3 | C C D C C C | GI0RQK | 26 | 13.61 % | | 38 | 12.88 % | | | 4 | C D C | G3L | 13 | 6.81 % | | 21 | 7.12 % | | | 5 | C C D C | CF3A | 8 | 4.19 % | | 15 | 5.08 % | | | 6 | D C D C C | 3B8XF | 6 | 3.14 % | | 7 | 2.37 % | | | 7 | C D C C | G2AA | 3 | 1.57 % | | 6 | 2.03 % | | | 8 | D C D / C D C C | 5Z4/G3AB | 1 | 0.52 % | | 1 | 0.34 % | | | 9 | D C D C C C | 2E0OBO | 1 | 0.52 % | | 2 | 0.68 % | | | 10 | C D D C C | V51YJ | 1 | 0.52 % | | 1 | 0.34 % | |
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