| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | RA1OT | 60 | 31.41 % | | 71 | 29.10 % | | | 2 | C C D C | RA3M | 45 | 23.56 % | | 71 | 29.10 % | | | 3 | C C D C / C | RA4Y/P | 20 | 10.47 % | | 24 | 9.84 % | | | 4 | C C D C C C | RA1ABR | 18 | 9.42 % | | 20 | 8.20 % | | | 5 | C D C C | R3AT | 12 | 6.28 % | | 14 | 5.74 % | | | 6 | C C D C C / C | RA1AP/P | 9 | 4.71 % | | 12 | 4.92 % | | | 7 | C C D C C C / C | RK1OZM/P | 9 | 4.71 % | | 10 | 4.10 % | | | 8 | C C D C C / D | RA3ID/3 | 6 | 3.14 % | | 8 | 3.28 % | | | 9 | C D C C / C | R3RK/P | 5 | 2.62 % | | 5 | 2.05 % | | | 10 | C D C C / D | R2TT/3 | 3 | 1.57 % | | 4 | 1.64 % | | | 11 | C D C C C | R1TEU | 1 | 0.52 % | | 1 | 0.41 % | | | 12 | C D C C C / C | R4WAA/P | 1 | 0.52 % | | 1 | 0.41 % | | | 13 | C C D C C C / D | RK3DXS/3 | 1 | 0.52 % | | 1 | 0.41 % | | | 14 | C C D C / D | UA3A/3 | 1 | 0.52 % | | 2 | 0.82 % | |
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