| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C | AC0W | 282 | 41.96 % | | 400 | 43.48 % | | | 2 | C C D C C | AA1ON | 129 | 19.20 % | | 161 | 17.50 % | | | 3 | C C D C C C | CQ7AMF | 98 | 14.58 % | | 116 | 12.61 % | | | 4 | C D C C | E7CW | 72 | 10.71 % | | 110 | 11.96 % | | | 5 | C D C C C | F4AIF | 37 | 5.51 % | | 49 | 5.33 % | | | 6 | C D D C | E78W | 15 | 2.23 % | | 27 | 2.93 % | | | 7 | D C D C C | 4L6AM | 9 | 1.34 % | | 12 | 1.30 % | | | 8 | D C D C | 4U1A | 8 | 1.19 % | | 19 | 2.07 % | | | 9 | C D D C C | A41DV | 6 | 0.89 % | | 7 | 0.76 % | | | 10 | C D C | C4W | 4 | 0.60 % | | 6 | 0.65 % | | | 11 | C C D D C C | SX80FF | 2 | 0.30 % | | 2 | 0.22 % | | | 12 | C C D C C C / D | IZ5TJD/7 | 2 | 0.30 % | | 2 | 0.22 % | | | 13 | C C D D C C C | DK50FFW | 1 | 0.15 % | | 2 | 0.22 % | | | 14 | C C / C C D C C C | EK/RX3DPK | 1 | 0.15 % | | 1 | 0.11 % | | | 15 | C C D / C C D C | IH9/OK1M | 1 | 0.15 % | | 1 | 0.11 % | | | 16 | C D C C C / C C D | N2KHH/VY2 | 1 | 0.15 % | | 1 | 0.11 % | | | 17 | C C D D C | OG16M | 1 | 0.15 % | | 1 | 0.11 % | | | 18 | C C / C D C C C | OH/F4ETG | 1 | 0.15 % | | 1 | 0.11 % | | | 19 | C D D D C C C | S570CST | 1 | 0.15 % | | 1 | 0.11 % | | | 20 | C C D / C C D C C C | EA3/DC1AVL | 1 | 0.15 % | | 1 | 0.11 % | |
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