| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C | AA1K | 330 | 27.12 % | | 330 | 26.83 % | | | 2 | C C D C C | AA0FO | 292 | 23.99 % | | 292 | 23.74 % | | | 3 | C C D C C C | CT1ELZ | 241 | 19.80 % | | 241 | 19.59 % | | | 4 | C D C C | E7CW | 220 | 18.08 % | | 220 | 17.89 % | | | 5 | C D C C C | F1ADG | 74 | 6.08 % | | 74 | 6.02 % | | | 6 | C D D C | A60A | 16 | 1.31 % | | 16 | 1.30 % | | | 7 | C D C | B0A | 13 | 1.07 % | | 13 | 1.06 % | | | 8 | D C D C C | 4X1VF | 8 | 0.66 % | | 8 | 0.65 % | | | 9 | D C D C | 3B8M | 8 | 0.66 % | | 8 | 0.65 % | | | 10 | C D D C C | E73AK | 7 | 0.58 % | | 7 | 0.57 % | | | 11 | C C D / C C D C | CT9/WT3J | 2 | 0.16 % | | 2 | 0.16 % | | | 12 | C C D D C C C | HA60FIR | 2 | 0.16 % | | 2 | 0.16 % | | | 13 | C C D / C C D C C | EA8/OK6RA | 1 | 0.08 % | | 1 | 0.08 % | | | 14 | C C / C C D C C | LA/US1PM | 1 | 0.08 % | | 1 | 0.08 % | | | 15 | C C D C C / C C C | YU1LM/QRP | 1 | 0.08 % | | 1 | 0.08 % | | | 16 | C D D C C C | Z66BCC | 1 | 0.08 % | | 1 | 0.08 % | |
|