| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C | AA3B | 211 | 40.73 % | | 309 | 44.91 % | | | 2 | C C D C C | AA4NC | 129 | 24.90 % | | 158 | 22.97 % | | | 3 | C C D C C C | BD4UNT | 72 | 13.90 % | | 79 | 11.48 % | | | 4 | C D C C | E7CW | 24 | 4.63 % | | 28 | 4.07 % | | | 5 | C D D C | A44A | 22 | 4.25 % | | 34 | 4.94 % | | | 6 | C D C C C | C6AQQ | 16 | 3.09 % | | 21 | 3.05 % | | | 7 | C D C | B4S | 13 | 2.51 % | | 15 | 2.18 % | | | 8 | C D D C C | A71AE | 9 | 1.74 % | | 11 | 1.60 % | | | 9 | D C D C | 3G2I | 8 | 1.54 % | | 11 | 1.60 % | | | 10 | D C D C C | 3B9KW | 8 | 1.54 % | | 11 | 1.60 % | | | 11 | D C D C C C | 3D2USU | 2 | 0.39 % | | 2 | 0.29 % | | | 12 | C C D / C D C C C | CT9/M0CCC | 1 | 0.19 % | | 1 | 0.15 % | | | 13 | C C D / C C D C C C | BW2/JP1RIW | 1 | 0.19 % | | 1 | 0.15 % | | | 14 | C C D C C C / D | JL3VUL/3 | 1 | 0.19 % | | 1 | 0.15 % | | | 15 | C D C C / C C D | W1AW/KL7 | 1 | 0.19 % | | 2 | 0.29 % | |
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