| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | AB3CX | 371 | 33.39 % | | 371 | 32.74 % | | | 2 | C C D C C C | CT1ILT | 275 | 24.75 % | | 275 | 24.27 % | | | 3 | C C D C | AA1K | 267 | 24.03 % | | 267 | 23.57 % | | | 4 | C D C C | E7CW | 56 | 5.04 % | | 56 | 4.94 % | | | 5 | C D C C C | F1FPL | 36 | 3.24 % | | 36 | 3.18 % | | | 6 | C D D C | E73B | 33 | 2.97 % | | 33 | 2.91 % | | | 7 | C D D C C | C31CT | 16 | 1.44 % | | 16 | 1.41 % | | | 8 | C D C | G0W | 15 | 1.35 % | | 15 | 1.32 % | | | 9 | D C D C C | 3V8SF | 12 | 1.08 % | | 12 | 1.06 % | | | 10 | D C D C | 4L2M | 11 | 0.99 % | | 11 | 0.97 % | | | 11 | C C D C C C C | II0WRTC | 6 | 0.54 % | | 6 | 0.53 % | | | 12 | D C D C C C | 9A1KDE | 2 | 0.18 % | | 2 | 0.18 % | | | 13 | C C D / C C D C C C | HB0/DL3DXX | 2 | 0.18 % | | 2 | 0.18 % | | | 14 | C C D D C C C | DF40BGK | 1 | 0.09 % | | 1 | 0.09 % | | | 15 | D C / C C D C C C | 9A/IZ3NVR | 1 | 0.09 % | | 1 | 0.09 % | | | 16 | C C D D C C C C | EI90IRTS | 1 | 0.09 % | | 1 | 0.09 % | | | 17 | C D / C D D C | E7/Z35M | 1 | 0.09 % | | 1 | 0.09 % | | | 18 | D C / C C D C C | 9A/EI8KW | 1 | 0.09 % | | 1 | 0.09 % | | | 19 | D C / C D C C C | 9A/F5SNJ | 1 | 0.09 % | | 1 | 0.09 % | | | 20 | C C D / C C D C | EA5/RV2A | 1 | 0.09 % | | 1 | 0.09 % | | | 21 | C C D D C | OZ50Q | 1 | 0.09 % | | 1 | 0.09 % | | | 22 | C D D C C C | S57NAW | 1 | 0.09 % | | 1 | 0.09 % | |
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