| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C D C C C | K0LLE | 10 | 43.48 % | | 10 | 41.67 % | | | 2 | C C D C C C | KA3PMW | 4 | 17.39 % | | 4 | 16.67 % | | | 3 | C C D C | AA4S | 3 | 13.04 % | | 3 | 12.50 % | | | 4 | C C D C C | KG0AQ | 3 | 13.04 % | | 3 | 12.50 % | | | 5 | C D C | K4R | 2 | 8.70 % | | 2 | 8.33 % | | | 6 | C D C C | W5NX | 1 | 4.35 % | | 1 | 4.17 % | |
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