| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | CR3DX | 53 | 40.46 % | | 58 | 40.00 % | | | 2 | C C D C C C | CT1GFK | 33 | 25.19 % | | 33 | 22.76 % | | | 3 | C C D C | EA1X | 29 | 22.14 % | | 35 | 24.14 % | | | 4 | C D C C C | F1IKA | 6 | 4.58 % | | 6 | 4.14 % | | | 5 | C D D C | E77F | 3 | 2.29 % | | 3 | 2.07 % | | | 6 | C D C C | K3AJ | 2 | 1.53 % | | 2 | 1.38 % | | | 7 | C D C | M6W | 2 | 1.53 % | | 4 | 2.76 % | | | 8 | D C D C C | 4K6FO | 1 | 0.76 % | | 1 | 0.69 % | | | 9 | C D D C C | E77EA | 1 | 0.76 % | | 2 | 1.38 % | | | 10 | C C D D D C C C C C | AO100RADIO | 1 | 0.76 % | | 1 | 0.69 % | |
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