| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | AB3CX | 178 | 32.36 % | | 180 | 32.49 % | | | 2 | C C D C C C | CT7AUP | 125 | 22.73 % | | 125 | 22.56 % | | | 3 | C C D C | AA1K | 121 | 22.00 % | | 122 | 22.02 % | | | 4 | C D C C | F5IN | 60 | 10.91 % | | 61 | 11.01 % | | | 5 | C D C C C | F4AZF | 31 | 5.64 % | | 31 | 5.60 % | | | 6 | C D D C | E71A | 11 | 2.00 % | | 11 | 1.99 % | | | 7 | C D D C C | E77DX | 6 | 1.09 % | | 6 | 1.08 % | | | 8 | D C D C | 3Z0X | 5 | 0.91 % | | 5 | 0.90 % | | | 9 | D C D C C | 3V8SF | 3 | 0.55 % | | 3 | 0.54 % | | | 10 | C D C | G3P | 3 | 0.55 % | | 3 | 0.54 % | | | 11 | D C D C C C | 9A1KDE | 2 | 0.36 % | | 2 | 0.36 % | | | 12 | C C D D C C C | DL35SDR | 1 | 0.18 % | | 1 | 0.18 % | | | 13 | C C D C C C C C | DL1NKSNV | 1 | 0.18 % | | 1 | 0.18 % | | | 14 | C C D D C | OG66X | 1 | 0.18 % | | 1 | 0.18 % | | | 15 | C C D D D C C C | OL725PLZ | 1 | 0.18 % | | 1 | 0.18 % | | | 16 | C D D D C C C | S521PMC | 1 | 0.18 % | | 1 | 0.18 % | |
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