| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C | CB1H | 374 | 29.71 % | | 639 | 36.10 % | | | 2 | C C D C C | BG4OP | 324 | 25.73 % | | 412 | 23.28 % | | | 3 | C C D C C C | CE6CGX | 274 | 21.76 % | | 313 | 17.68 % | | | 4 | C D C C C | F1DHX | 83 | 6.59 % | | 101 | 5.71 % | | | 5 | C D C C | D1DX | 52 | 4.13 % | | 81 | 4.58 % | | | 6 | C D D C | A44A | 35 | 2.78 % | | 54 | 3.05 % | | | 7 | D C D C | 3G1D | 25 | 1.99 % | | 36 | 2.03 % | | | 8 | C D D C C | A61FK | 25 | 1.99 % | | 34 | 1.92 % | | | 9 | D C D C C | 3V8SS | 20 | 1.59 % | | 32 | 1.81 % | | | 10 | C D C | C4W | 18 | 1.43 % | | 32 | 1.81 % | | | 11 | D C D C C C | 2W0RQC | 7 | 0.56 % | | 10 | 0.56 % | | | 12 | C C D D C C C | DL50IFM | 6 | 0.48 % | | 6 | 0.34 % | | | 13 | C C D / C C D C C | EA6/DK5IR | 3 | 0.24 % | | 3 | 0.17 % | | | 14 | C C D / C C D C | EA5/LN2G | 2 | 0.16 % | | 3 | 0.17 % | | | 15 | C C D D C | LG80T | 2 | 0.16 % | | 2 | 0.11 % | | | 16 | C D D C C C | D68CCC | 2 | 0.16 % | | 4 | 0.23 % | | | 17 | C C D D C C | OZ30EU | 2 | 0.16 % | | 3 | 0.17 % | | | 18 | C C D C C C / D | IK1ZOF/3 | 1 | 0.08 % | | 1 | 0.06 % | | | 19 | C C D C C / D | DG5LC/5 | 1 | 0.08 % | | 1 | 0.06 % | | | 20 | C C / C D C C C | LX/G1TPA | 1 | 0.08 % | | 1 | 0.06 % | | | 21 | C C D / C C D C C C | BW2/JP1RIW | 1 | 0.08 % | | 1 | 0.06 % | | | 22 | C C D C C C / C C | UW5EJX/MM | 1 | 0.08 % | | 1 | 0.06 % | |
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