| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C | AA3R | 228 | 47.90 % | | 307 | 51.17 % | | | 2 | C C D C C | AA4VT | 101 | 21.22 % | | 118 | 19.67 % | | | 3 | C C D C C C | CS7AXM | 70 | 14.71 % | | 76 | 12.67 % | | | 4 | C D C C | D4DX | 19 | 3.99 % | | 28 | 4.67 % | | | 5 | C D D C | C37N | 18 | 3.78 % | | 23 | 3.83 % | | | 6 | D C D C | 3Z6V | 11 | 2.31 % | | 13 | 2.17 % | | | 7 | C D C C C | F4DPW | 10 | 2.10 % | | 13 | 2.17 % | | | 8 | C D D C C | E77EA | 5 | 1.05 % | | 6 | 1.00 % | | | 9 | D C D C C | 4Z5PN | 3 | 0.63 % | | 3 | 0.50 % | | | 10 | C D C | G0W | 3 | 0.63 % | | 4 | 0.67 % | | | 11 | C C D D C C C | LZ73TRC | 2 | 0.42 % | | 2 | 0.33 % | | | 12 | C C D / C C D C C | CT7/VA3FH | 1 | 0.21 % | | 1 | 0.17 % | | | 13 | D C D C C C | 9A3BWP | 1 | 0.21 % | | 1 | 0.17 % | | | 14 | C D D C C C | E74FRS | 1 | 0.21 % | | 1 | 0.17 % | | | 15 | C C D C C C / C | MJ0PLX/M | 1 | 0.21 % | | 1 | 0.17 % | | | 16 | C C D D D C C C | OL730PLZ | 1 | 0.21 % | | 2 | 0.33 % | | | 17 | C C D D C | TM18Z | 1 | 0.21 % | | 1 | 0.17 % | |
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