| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C D C C | K0EA | 14 | 48.28 % | | 14 | 48.28 % | | | 2 | C D C C C | N1WWK | 5 | 17.24 % | | 5 | 17.24 % | | | 3 | C C D C | AG9C | 4 | 13.79 % | | 4 | 13.79 % | | | 4 | C C D C C C | VA2RQN | 3 | 10.34 % | | 3 | 10.34 % | | | 5 | C D C C C D C | N9RJV2A | 1 | 3.45 % | | 1 | 3.45 % | | | 6 | C D C | K4W | 1 | 3.45 % | | 1 | 3.45 % | | | 7 | C C D C C | WF0RT | 1 | 3.45 % | | 1 | 3.45 % | |
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