| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C | AA1K | 189 | 36.49 % | | 288 | 41.20 % | | | 2 | C C D C C | AA4NC | 118 | 22.78 % | | 139 | 19.89 % | | | 3 | C D C C | D4DX | 79 | 15.25 % | | 105 | 15.02 % | | | 4 | C C D C C C | AR4QWW | 63 | 12.16 % | | 68 | 9.73 % | | | 5 | C D D C | A60A | 19 | 3.67 % | | 26 | 3.72 % | | | 6 | C D C C C | F4FFH | 15 | 2.90 % | | 19 | 2.72 % | | | 7 | D C D C | 3B8M | 14 | 2.70 % | | 23 | 3.29 % | | | 8 | D C D C C | 3V8SS | 6 | 1.16 % | | 6 | 0.86 % | | | 9 | C D C | B1Z | 5 | 0.97 % | | 8 | 1.14 % | | | 10 | C D D C C | E77EA | 5 | 0.97 % | | 5 | 0.72 % | | | 11 | C C D / C C D C | CT8/PA4O | 1 | 0.19 % | | 2 | 0.29 % | | | 12 | C C D / C C D C C | EA8/OK6RA | 1 | 0.19 % | | 1 | 0.14 % | | | 13 | C C D / C D D C C | IS0/E73DX | 1 | 0.19 % | | 2 | 0.29 % | | | 14 | C C D C C / D | RA1ZZ/3 | 1 | 0.19 % | | 1 | 0.14 % | | | 15 | C C / C C D C | ZA/OG1N | 1 | 0.19 % | | 1 | 0.14 % | |
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