| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | RA1OT | 40 | 38.46 % | | 41 | 36.28 % | | | 2 | C C D C | RA4S | 24 | 23.08 % | | 28 | 24.78 % | | | 3 | C C D C C C | RA6IGE | 13 | 12.50 % | | 13 | 11.50 % | | | 4 | C D C C | R3AT | 7 | 6.73 % | | 10 | 8.85 % | | | 5 | C C D C C C / C | RK1NWU/P | 5 | 4.81 % | | 5 | 4.42 % | | | 6 | C C D C / C | RD8M/P | 5 | 4.81 % | | 6 | 5.31 % | | | 7 | C C D C C / C | RA9SN/P | 3 | 2.88 % | | 3 | 2.65 % | | | 8 | C C D C / D | RN3D/3 | 3 | 2.88 % | | 3 | 2.65 % | | | 9 | C C D C C / D | RA3VX/3 | 2 | 1.92 % | | 2 | 1.77 % | | | 10 | C D C C C | R1TEU | 1 | 0.96 % | | 1 | 0.88 % | | | 11 | C C D C C C / D | UA3DFM/9 | 1 | 0.96 % | | 1 | 0.88 % | |
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