| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C | AC1U | 119 | 44.24 % | | 139 | 46.33 % | | | 2 | C C D C C | CN2AA | 60 | 22.30 % | | 63 | 21.00 % | | | 3 | C C D C C C | CN8MAA | 38 | 14.13 % | | 38 | 12.67 % | | | 4 | C D D C | E79D | 15 | 5.58 % | | 18 | 6.00 % | | | 5 | C D C C C | F1NZC | 7 | 2.60 % | | 8 | 2.67 % | | | 6 | C D C C | E7DX | 5 | 1.86 % | | 6 | 2.00 % | | | 7 | D C D C | 5Q1A | 4 | 1.49 % | | 5 | 1.67 % | | | 8 | C C D D C | LM80Q | 4 | 1.49 % | | 5 | 1.67 % | | | 9 | C D D C C | J43TR | 3 | 1.12 % | | 3 | 1.00 % | | | 10 | C C D D D C C | DM500RT | 3 | 1.12 % | | 4 | 1.33 % | | | 11 | D C D C C | 3V8SS | 3 | 1.12 % | | 3 | 1.00 % | | | 12 | C C D D C C C | EV90EDR | 2 | 0.74 % | | 2 | 0.67 % | | | 13 | C D C | C4A | 2 | 0.74 % | | 2 | 0.67 % | | | 14 | C C D D C C | LZ45YE | 1 | 0.37 % | | 1 | 0.33 % | | | 15 | C C / C C D C C | OE/KH7XX | 1 | 0.37 % | | 1 | 0.33 % | | | 16 | C D D D D C C C C C | S5100LIONS | 1 | 0.37 % | | 1 | 0.33 % | | | 17 | C D D D C | S570C | 1 | 0.37 % | | 1 | 0.33 % | |
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