| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C | AD1L | 247 | 30.99 % | | 369 | 35.96 % | | | 2 | C C D C C | BY5CD | 237 | 29.74 % | | 275 | 26.80 % | | | 3 | C C D C C C | DF1LON | 143 | 17.94 % | | 154 | 15.01 % | | | 4 | C D C C | E7DX | 39 | 4.89 % | | 44 | 4.29 % | | | 5 | C D D C | E71A | 22 | 2.76 % | | 27 | 2.63 % | | | 6 | C D D C C | A65BP | 22 | 2.76 % | | 36 | 3.51 % | | | 7 | C D C C C | F4GBW | 18 | 2.26 % | | 22 | 2.14 % | | | 8 | D C D C | 4L8A | 15 | 1.88 % | | 23 | 2.24 % | | | 9 | D C D C C | 4K6FO | 11 | 1.38 % | | 17 | 1.66 % | | | 10 | C D C | B1C | 9 | 1.13 % | | 12 | 1.17 % | | | 11 | D C D C C C | 4U1ITU | 6 | 0.75 % | | 10 | 0.97 % | | | 12 | C C D D C | HA30S | 5 | 0.63 % | | 9 | 0.88 % | | | 13 | C D D C C C | E21EIC | 3 | 0.38 % | | 4 | 0.39 % | | | 14 | C C D C C / D | BA1GN/8 | 3 | 0.38 % | | 3 | 0.29 % | | | 15 | C C D D C C C | DK75FOC | 2 | 0.25 % | | 2 | 0.19 % | | | 16 | C C D / C C D C C | CT9/OM8AA | 2 | 0.25 % | | 2 | 0.19 % | | | 17 | D C D D C C | 9A28EU | 2 | 0.25 % | | 2 | 0.19 % | | | 18 | C C D C C C / D | IK3UNA/1 | 2 | 0.25 % | | 2 | 0.19 % | | | 19 | D C D D C | 9A33P | 1 | 0.13 % | | 3 | 0.29 % | | | 20 | C C D / C C D C C C / C | EA6/OK2BFN/P | 1 | 0.13 % | | 1 | 0.10 % | | | 21 | C C / C D C C | EI/W5GN | 1 | 0.13 % | | 2 | 0.19 % | | | 22 | C / C D C C C | F/G4BJM | 1 | 0.13 % | | 1 | 0.10 % | | | 23 | C C D D C C | OG30OJ | 1 | 0.13 % | | 1 | 0.10 % | | | 24 | C D D D C C | S503EO | 1 | 0.13 % | | 2 | 0.19 % | | | 25 | C D D D C C C | S575FOC | 1 | 0.13 % | | 1 | 0.10 % | | | 26 | C C D C C C C | SN0OSPJ | 1 | 0.13 % | | 1 | 0.10 % | | | 27 | C C D C C / C C C | YU1LM/QRP | 1 | 0.13 % | | 1 | 0.10 % | |
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