| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C C | CR7AXN | 500 | 43.86 % | | 653 | 44.18 % | | | 2 | C C D C C | CT4NH | 341 | 29.91 % | | 462 | 31.26 % | | | 3 | C D C C C | F1ICS | 130 | 11.40 % | | 142 | 9.61 % | | | 4 | C C D C | DL6X | 44 | 3.86 % | | 55 | 3.72 % | | | 5 | C D C C | F3UZ | 38 | 3.33 % | | 44 | 2.98 % | | | 6 | D C D C C | 4O3RB | 22 | 1.93 % | | 25 | 1.69 % | | | 7 | C D D C C | D53MS | 15 | 1.32 % | | 26 | 1.76 % | | | 8 | C D D C | E73X | 9 | 0.79 % | | 20 | 1.35 % | | | 9 | D C D C | 3Z1D | 6 | 0.53 % | | 9 | 0.61 % | | | 10 | C C D C C C / C | DL3MCO/P | 5 | 0.44 % | | 5 | 0.34 % | | | 11 | D C D C C C | 2W0IMX | 5 | 0.44 % | | 5 | 0.34 % | | | 12 | C C D C C / C | DL5RV/M | 4 | 0.35 % | | 4 | 0.27 % | | | 13 | C C D C C C C | II5WRTC | 3 | 0.26 % | | 5 | 0.34 % | | | 14 | C C D D C C C C | TM97WARD | 2 | 0.18 % | | 4 | 0.27 % | | | 15 | C C D C C C / C C C | IZ6BXV/QRT | 2 | 0.18 % | | 2 | 0.14 % | | | 16 | D C D C C C C / D | 5P0WARD/7 | 2 | 0.18 % | | 2 | 0.14 % | | | 17 | C C D D C C | CN97ZG | 2 | 0.18 % | | 2 | 0.14 % | | | 18 | C C D / C D C C C | EA6/M0DLL | 1 | 0.09 % | | 1 | 0.07 % | | | 19 | C D C C C / C C C | G0FIU/QRP | 1 | 0.09 % | | 1 | 0.07 % | | | 20 | C C D D D D C C | HG1222BA | 1 | 0.09 % | | 1 | 0.07 % | | | 21 | C D D D C C C C | E797WARD | 1 | 0.09 % | | 3 | 0.20 % | | | 22 | C C D C C / C C C | DB2SK/QRP | 1 | 0.09 % | | 1 | 0.07 % | | | 23 | C C D D C C C | LZ77DIG | 1 | 0.09 % | | 1 | 0.07 % | | | 24 | C D C C / C | R2EA/P | 1 | 0.09 % | | 1 | 0.07 % | | | 25 | C D D C C C C | S50WARD | 1 | 0.09 % | | 2 | 0.14 % | | | 26 | C D D C / C | S51X/M | 1 | 0.09 % | | 1 | 0.07 % | | | 27 | C D D C C C | E77CFG | 1 | 0.09 % | | 1 | 0.07 % | |
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