| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C C | CT1ELZ | 131 | 39.70 % | | 157 | 39.25 % | | | 2 | C C D C C | DD3FH | 92 | 27.88 % | | 110 | 27.50 % | | | 3 | C C D C | DA3T | 50 | 15.15 % | | 64 | 16.00 % | | | 4 | C D C C | F5IN | 18 | 5.45 % | | 19 | 4.75 % | | | 5 | C D C C C | F4VSR | 16 | 4.85 % | | 22 | 5.50 % | | | 6 | D C D C C | 4X1VF | 5 | 1.52 % | | 5 | 1.25 % | | | 7 | C D D C | E74X | 4 | 1.21 % | | 6 | 1.50 % | | | 8 | C C D C C C / C | HB9ANF/P | 3 | 0.91 % | | 3 | 0.75 % | | | 9 | D C D C | 4O4T | 2 | 0.61 % | | 3 | 0.75 % | | | 10 | C D D C C | E77EA | 2 | 0.61 % | | 3 | 0.75 % | | | 11 | C D C | M1X | 2 | 0.61 % | | 3 | 0.75 % | | | 12 | C C D / C C D C C C | EA7/HB9AFH | 1 | 0.30 % | | 1 | 0.25 % | | | 13 | C C D D C C | HG20ME | 1 | 0.30 % | | 1 | 0.25 % | | | 14 | C C / C C D C C | OE/HB9RB | 1 | 0.30 % | | 1 | 0.25 % | | | 15 | C C D C C C / C C | SP5LJP/MM | 1 | 0.30 % | | 1 | 0.25 % | | | 16 | C C D C C / C C C | YU1LM/QRP | 1 | 0.30 % | | 1 | 0.25 % | |
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