| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C | CN3A | 192 | 42.01 % | | 282 | 46.46 % | | | 2 | C C D C C | CR3DX | 103 | 22.54 % | | 125 | 20.59 % | | | 3 | C C D C C C | DG2GTG | 68 | 14.88 % | | 72 | 11.86 % | | | 4 | C D C C C | F1DHX | 21 | 4.60 % | | 23 | 3.79 % | | | 5 | C D C C | D1DX | 20 | 4.38 % | | 32 | 5.27 % | | | 6 | C D D C | A44A | 17 | 3.72 % | | 23 | 3.79 % | | | 7 | C D D C C | A61ZX | 13 | 2.84 % | | 15 | 2.47 % | | | 8 | D C D C | 4U1A | 11 | 2.41 % | | 18 | 2.97 % | | | 9 | D C D C C | 9A2EU | 3 | 0.66 % | | 4 | 0.66 % | | | 10 | C D C | D4C | 2 | 0.44 % | | 5 | 0.82 % | | | 11 | C C D D C C C | HB90TOC | 2 | 0.44 % | | 3 | 0.49 % | | | 12 | C C D D C | LG80T | 2 | 0.44 % | | 2 | 0.33 % | | | 13 | C C / C D C C C | LX/G1TPA | 1 | 0.22 % | | 1 | 0.16 % | | | 14 | C C D D C C | OZ30EU | 1 | 0.22 % | | 1 | 0.16 % | | | 15 | C D D C C C | S51RBC | 1 | 0.22 % | | 1 | 0.16 % | |
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