| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | AA0YY | 248 | 30.96 % | | 321 | 30.54 % | | | 2 | C C D C C C | BA4SQI | 205 | 25.59 % | | 260 | 24.74 % | | | 3 | C C D C | AA2A | 144 | 17.98 % | | 204 | 19.41 % | | | 4 | C D C C | E7CW | 103 | 12.86 % | | 128 | 12.18 % | | | 5 | C D C C C | F4HPX | 52 | 6.49 % | | 62 | 5.90 % | | | 6 | C D D C C | E70NA | 11 | 1.37 % | | 20 | 1.90 % | | | 7 | C D C | E2A | 8 | 1.00 % | | 11 | 1.05 % | | | 8 | D C D C C | 4F3OM | 8 | 1.00 % | | 9 | 0.86 % | | | 9 | C D D C | E72U | 4 | 0.50 % | | 4 | 0.38 % | | | 10 | D C D C | 3W9T | 4 | 0.50 % | | 6 | 0.57 % | | | 11 | D C D C C C | 4E1AGW | 3 | 0.37 % | | 3 | 0.29 % | | | 12 | C C D / C C D C C | IT9/DK6XZ | 2 | 0.25 % | | 3 | 0.29 % | | | 13 | C C / C C D C C | ER/UR7FM | 2 | 0.25 % | | 2 | 0.19 % | | | 14 | C D D C C C | E24ZST | 2 | 0.25 % | | 3 | 0.29 % | | | 15 | C C D C C C / C | DL7USW/P | 1 | 0.12 % | | 1 | 0.10 % | | | 16 | C C D D C | OG73X | 1 | 0.12 % | | 1 | 0.10 % | | | 17 | C D C C / D | R5AF/0 | 1 | 0.12 % | | 1 | 0.10 % | | | 18 | C D D D C | S560R | 1 | 0.12 % | | 1 | 0.10 % | | | 19 | C C D C C / D | UA9XX/4 | 1 | 0.12 % | | 1 | 0.10 % | |
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