| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C | AA3B | 410 | 35.22 % | | 540 | 39.22 % | | | 2 | C C D C C | AA4CF | 302 | 25.95 % | | 333 | 24.18 % | | | 3 | C C D C C C | BA7LOK | 214 | 18.38 % | | 229 | 16.63 % | | | 4 | C D C C | D4DX | 75 | 6.44 % | | 83 | 6.03 % | | | 5 | C D D C | A62A | 38 | 3.26 % | | 45 | 3.27 % | | | 6 | C D C C C | F1PUX | 33 | 2.84 % | | 33 | 2.40 % | | | 7 | D C D C | 3W9A | 18 | 1.55 % | | 24 | 1.74 % | | | 8 | D C D C C | 4K6FO | 15 | 1.29 % | | 16 | 1.16 % | | | 9 | C D D C C | A45CW | 15 | 1.29 % | | 17 | 1.23 % | | | 10 | C D C | B1Z | 11 | 0.95 % | | 16 | 1.16 % | | | 11 | C C D D C C C | HG75MAV | 6 | 0.52 % | | 6 | 0.44 % | | | 12 | C C D D C C | HG40CW | 3 | 0.26 % | | 3 | 0.22 % | | | 13 | C D D C C C | E29TGW | 3 | 0.26 % | | 3 | 0.22 % | | | 14 | C C D D D C C C C | CN100IARU | 2 | 0.17 % | | 2 | 0.15 % | | | 15 | D C D C C C | 9A3SMS | 2 | 0.17 % | | 2 | 0.15 % | | | 16 | C C D D D C C | DM800KM | 1 | 0.09 % | | 1 | 0.07 % | | | 17 | D C D D D C | 9A925T | 1 | 0.09 % | | 1 | 0.07 % | | | 18 | D C D C C C C | 8K3EXPO | 1 | 0.09 % | | 1 | 0.07 % | | | 19 | D C / C D C C | 9A/W3WM | 1 | 0.09 % | | 1 | 0.07 % | | | 20 | D C D D C | 9A73A | 1 | 0.09 % | | 1 | 0.07 % | | | 21 | C D C C C / C | M0RYB/P | 1 | 0.09 % | | 2 | 0.15 % | | | 22 | C C D D C | OG73X | 1 | 0.09 % | | 2 | 0.15 % | | | 23 | C C / C D C C C | OH/M0CFW | 1 | 0.09 % | | 1 | 0.07 % | | | 24 | C C D D D D C | OH3077F | 1 | 0.09 % | | 1 | 0.07 % | | | 25 | C C D D D C C C | OL730PLZ | 1 | 0.09 % | | 1 | 0.07 % | | | 26 | C C / C C D C C | ON/HA8MT | 1 | 0.09 % | | 1 | 0.07 % | | | 27 | C D D D C | S571C | 1 | 0.09 % | | 2 | 0.15 % | | | 28 | C D D D C C | S590AA | 1 | 0.09 % | | 1 | 0.07 % | | | 29 | C C D / C D D C / C | SV2/Z35M/P | 1 | 0.09 % | | 1 | 0.07 % | | | 30 | C C D / C C D C C | TI5/VA3RA | 1 | 0.09 % | | 1 | 0.07 % | | | 31 | C C D C C C C | VU1IARU | 1 | 0.09 % | | 1 | 0.07 % | | | 32 | C C D C C / C C C | YU1LM/QRP | 1 | 0.09 % | | 1 | 0.07 % | |
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