| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C C | BD1BYV | 392 | 71.79 % | | 439 | 68.92 % | | | 2 | C C D C C | BA1HN | 70 | 12.82 % | | 82 | 12.87 % | | | 3 | C C D C | HL9A | 23 | 4.21 % | | 37 | 5.81 % | | | 4 | C C D C C C / D | DS4EOI/2 | 19 | 3.48 % | | 22 | 3.45 % | | | 5 | D C D C C | 4G0LN | 12 | 2.20 % | | 19 | 2.98 % | | | 6 | D C D C C C | 6K2DIO | 9 | 1.65 % | | 10 | 1.57 % | | | 7 | C D C C | R0QA | 8 | 1.47 % | | 10 | 1.57 % | | | 8 | D C D C | 4J5A | 3 | 0.55 % | | 3 | 0.47 % | | | 9 | D C D C C / D | 8N1TW/1 | 1 | 0.18 % | | 1 | 0.16 % | | | 10 | D C D C C C / D | 7N2JZT/6 | 1 | 0.18 % | | 1 | 0.16 % | | | 11 | C D / C C D C C C | A6/DL9WVM | 1 | 0.18 % | | 2 | 0.31 % | | | 12 | C D D C C C | E21EIC | 1 | 0.18 % | | 3 | 0.47 % | | | 13 | C C D / C C D C C | HL2/KA8UK | 1 | 0.18 % | | 1 | 0.16 % | | | 14 | D C D / C C D C C C | 9M2/JE1SCJ | 1 | 0.18 % | | 2 | 0.31 % | | | 15 | C C D C C C / C C C | JH1GNU/QRP | 1 | 0.18 % | | 1 | 0.16 % | | | 16 | C D D C C | A71CM | 1 | 0.18 % | | 1 | 0.16 % | | | 17 | C C D C C C / C | RK9AWT/P | 1 | 0.18 % | | 2 | 0.31 % | | | 18 | C C D C C / C C C | UA9AB/QRP | 1 | 0.18 % | | 1 | 0.16 % | |
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