| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C | AB2A | 168 | 44.33 % | | 199 | 46.60 % | | | 2 | C C D C C | AD4TR | 79 | 20.84 % | | 83 | 19.44 % | | | 3 | C C D C C C | BG0DLA | 51 | 13.46 % | | 52 | 12.18 % | | | 4 | C D C C | E7CW | 28 | 7.39 % | | 29 | 6.79 % | | | 5 | C D D C | E70T | 11 | 2.90 % | | 12 | 2.81 % | | | 6 | D C D C | 4L8A | 11 | 2.90 % | | 14 | 3.28 % | | | 7 | D C D C C | 3D2SP | 6 | 1.58 % | | 7 | 1.64 % | | | 8 | C D C C C | F5PRH | 6 | 1.58 % | | 7 | 1.64 % | | | 9 | C D C | B4S | 4 | 1.06 % | | 5 | 1.17 % | | | 10 | C C D D C C C | TM19REF | 3 | 0.79 % | | 3 | 0.70 % | | | 11 | C C D D D C C C C | CN100IARU | 2 | 0.53 % | | 2 | 0.47 % | | | 12 | C D D C C | A71WW | 2 | 0.53 % | | 2 | 0.47 % | | | 13 | D C D D C | 9A73A | 1 | 0.26 % | | 1 | 0.23 % | | | 14 | C D D C C C | E71EZC | 1 | 0.26 % | | 1 | 0.23 % | | | 15 | C C D D C C | HG40CW | 1 | 0.26 % | | 1 | 0.23 % | | | 16 | C C / C D C C | LX/N9SM | 1 | 0.26 % | | 1 | 0.23 % | | | 17 | C D C C C / C | M0RYB/P | 1 | 0.26 % | | 1 | 0.23 % | | | 18 | C C D / C D D C / C | SV2/Z35M/P | 1 | 0.26 % | | 1 | 0.23 % | | | 19 | C C D D D C C | DM800KM | 1 | 0.26 % | | 2 | 0.47 % | | | 20 | C C D / C C D C C | VP9/VE3DZ | 1 | 0.26 % | | 1 | 0.23 % | |
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