| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | AA1ON | 497 | 28.91 % | | 609 | 26.59 % | | | 2 | C C D C | AA1K | 405 | 23.56 % | | 648 | 28.30 % | | | 3 | C C D C C C | CT1FPQ | 375 | 21.82 % | | 449 | 19.61 % | | | 4 | C D C C | D1DX | 220 | 12.80 % | | 292 | 12.75 % | | | 5 | C D C C C | C6AGU | 100 | 5.82 % | | 120 | 5.24 % | | | 6 | C D D C | A44A | 39 | 2.27 % | | 60 | 2.62 % | | | 7 | C D D C C | A71AE | 25 | 1.45 % | | 31 | 1.35 % | | | 8 | D C D C C | 4O7CC | 17 | 0.99 % | | 23 | 1.00 % | | | 9 | C D C | G2X | 16 | 0.93 % | | 21 | 0.92 % | | | 10 | D C D C | 3B8M | 12 | 0.70 % | | 17 | 0.74 % | | | 11 | C C D / C C D C | EA8/OK5D | 2 | 0.12 % | | 2 | 0.09 % | | | 12 | C C D D C C | OG70AD | 2 | 0.12 % | | 4 | 0.17 % | | | 13 | D C / C C D C C | 5B/RN3QO | 1 | 0.06 % | | 3 | 0.13 % | | | 14 | D C D D D C C C | 3Z100PIP | 1 | 0.06 % | | 2 | 0.09 % | | | 15 | D C D C C C | 5B4AGU | 1 | 0.06 % | | 1 | 0.04 % | | | 16 | C C D D C C C | DR19SID | 1 | 0.06 % | | 1 | 0.04 % | | | 17 | C C D / C C D C C | IH9/OK6RA | 1 | 0.06 % | | 1 | 0.04 % | | | 18 | D C / C C D C | 9A/AI6V | 1 | 0.06 % | | 1 | 0.04 % | | | 19 | C D C C / D | R8FF/8 | 1 | 0.06 % | | 1 | 0.04 % | | | 20 | C C D C C C / D | SM0MPV/0 | 1 | 0.06 % | | 2 | 0.09 % | | | 21 | C C D C C / C C C | YU1LM/QRP | 1 | 0.06 % | | 2 | 0.09 % | |
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