| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | AA1ON | 534 | 26.22 % | | 759 | 24.23 % | | | 2 | C C D C C C | CT1EHK | 500 | 24.55 % | | 693 | 22.12 % | | | 3 | C C D C | AA0O | 465 | 22.83 % | | 871 | 27.80 % | | | 4 | C D C C | E7CW | 257 | 12.62 % | | 411 | 13.12 % | | | 5 | C D C C C | C6AGU | 150 | 7.36 % | | 203 | 6.48 % | | | 6 | C D D C | A44A | 34 | 1.67 % | | 51 | 1.63 % | | | 7 | C D C | B0A | 25 | 1.23 % | | 39 | 1.24 % | | | 8 | C D D C C | S50XX | 25 | 1.23 % | | 34 | 1.09 % | | | 9 | D C D C | 3B8M | 16 | 0.79 % | | 29 | 0.93 % | | | 10 | D C D C C | 4X6FR | 15 | 0.74 % | | 24 | 0.77 % | | | 11 | D C D C C C | 7K4GUR | 5 | 0.25 % | | 7 | 0.22 % | | | 12 | C C D / C C D C C | IS0/OM2TW | 2 | 0.10 % | | 3 | 0.10 % | | | 13 | C D D C C C | S57MPU | 2 | 0.10 % | | 2 | 0.06 % | | | 14 | C D / C D D C | E7/Z35M | 1 | 0.05 % | | 1 | 0.03 % | | | 15 | C C D | OL3 | 1 | 0.05 % | | 1 | 0.03 % | | | 16 | C C D C / D | RL8C/2 | 1 | 0.05 % | | 1 | 0.03 % | | | 17 | C C D C C C / C C C | EA7AAW/QRP | 1 | 0.05 % | | 1 | 0.03 % | | | 18 | C C D / C C D C C C | CT7/DL6IAK | 1 | 0.05 % | | 1 | 0.03 % | | | 19 | C C D D C C C | SN95PRK | 1 | 0.05 % | | 1 | 0.03 % | | | 20 | C C D C C / C C C | YU2LM/QRP | 1 | 0.05 % | | 1 | 0.03 % | |
|