| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | AB3CX | 153 | 31.22 % | | 153 | 31.10 % | | | 2 | C C D C C C | CT7AUP | 113 | 23.06 % | | 113 | 22.97 % | | | 3 | C C D C | AA1K | 110 | 22.45 % | | 112 | 22.76 % | | | 4 | C D C C | F5IN | 57 | 11.63 % | | 57 | 11.59 % | | | 5 | C D C C C | F4AZF | 27 | 5.51 % | | 27 | 5.49 % | | | 6 | C D D C | E71A | 12 | 2.45 % | | 12 | 2.44 % | | | 7 | C D D C C | E77DX | 6 | 1.22 % | | 6 | 1.22 % | | | 8 | D C D C | 3Z0X | 4 | 0.82 % | | 4 | 0.81 % | | | 9 | D C D C C C | 9A1KDE | 2 | 0.41 % | | 2 | 0.41 % | | | 10 | D C D C C | 3V8SF | 2 | 0.41 % | | 2 | 0.41 % | | | 11 | C D C | G3P | 2 | 0.41 % | | 2 | 0.41 % | | | 12 | C C D D C | OG66X | 1 | 0.20 % | | 1 | 0.20 % | | | 13 | C C D D D C C C | OL725PLZ | 1 | 0.20 % | | 1 | 0.20 % | |
|