| Callsign structure # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
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1 | C C D C | AL1G | 34 | 45.33 % | | 37 | 46.25 % | | 2 | C C D C C | CO8HF | 18 | 24.00 % | | 19 | 23.75 % | | 3 | C C D C C C | DL5RDO | 7 | 9.33 % | | 7 | 8.75 % | | 4 | C D D C | E77A | 6 | 8.00 % | | 6 | 7.50 % | | 5 | D C D C | 8P5A | 4 | 5.33 % | | 5 | 6.25 % | | 6 | C D C C C | G0DBE | 2 | 2.67 % | | 2 | 2.50 % | | 7 | C D C C | N6AR | 2 | 2.67 % | | 2 | 2.50 % | | 8 | C D C | G9V | 1 | 1.33 % | | 1 | 1.25 % | | 9 | C D D C C | S50XX | 1 | 1.33 % | | 1 | 1.25 % | |
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