| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C | CN3A | 24 | 32.88 % | | 29 | 36.25 % | | | 2 | C C D C C | CR3DX | 18 | 24.66 % | | 20 | 25.00 % | | | 3 | C C D C C C | CS5CRE | 11 | 15.07 % | | 11 | 13.75 % | | | 4 | C D C C C | F1FCA | 5 | 6.85 % | | 5 | 6.25 % | | | 5 | C D D C | C37N | 4 | 5.48 % | | 4 | 5.00 % | | | 6 | D C D C | 4X7M | 3 | 4.11 % | | 3 | 3.75 % | | | 7 | C D C | D4L | 3 | 4.11 % | | 3 | 3.75 % | | | 8 | C D C C | K4ZW | 3 | 4.11 % | | 3 | 3.75 % | | | 9 | D C D C C | 3V8LL | 1 | 1.37 % | | 1 | 1.25 % | | | 10 | C D D C C | E77EA | 1 | 1.37 % | | 1 | 1.25 % | |
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