| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | AA0AI | 631 | 23.80 % | | 817 | 21.71 % | | | 2 | C C D C | AA0O | 588 | 22.18 % | | 938 | 24.92 % | | | 3 | C D C C | E7CW | 541 | 20.41 % | | 837 | 22.24 % | | | 4 | C C D C C C | BD1IIJ | 479 | 18.07 % | | 570 | 15.14 % | | | 5 | C D C C C | C6AQQ | 246 | 9.28 % | | 332 | 8.82 % | | | 6 | C D C | B4T | 32 | 1.21 % | | 54 | 1.43 % | | | 7 | D C D C C | 3V8SF | 30 | 1.13 % | | 44 | 1.17 % | | | 8 | C D D C | A44A | 22 | 0.83 % | | 40 | 1.06 % | | | 9 | D C D C | 3Z0X | 19 | 0.72 % | | 42 | 1.12 % | | | 10 | C D D C C | A61EK | 19 | 0.72 % | | 26 | 0.69 % | | | 11 | D C D C C C | 2E0CVN | 5 | 0.19 % | | 12 | 0.32 % | | | 12 | C C D C C C / D | JA4XHF/3 | 5 | 0.19 % | | 5 | 0.13 % | | | 13 | C D D C C C | E21YDP | 4 | 0.15 % | | 5 | 0.13 % | | | 14 | C C D D D C | SN100L | 3 | 0.11 % | | 5 | 0.13 % | | | 15 | C C D / C C D C C | IH9/OK6RA | 2 | 0.08 % | | 2 | 0.05 % | | | 16 | D C D C C C / D | 7K1MAG/2 | 2 | 0.08 % | | 4 | 0.11 % | | | 17 | C D C C / D | R8MB/1 | 2 | 0.08 % | | 2 | 0.05 % | | | 18 | C C D D C C | HA90AM | 2 | 0.08 % | | 2 | 0.05 % | | | 19 | D C D / C C D C C | 5Z4/LZ4NM | 2 | 0.08 % | | 4 | 0.11 % | | | 20 | D C D / C D C C C | 3B8/F4HQZ | 1 | 0.04 % | | 2 | 0.05 % | | | 21 | C C / C D C C C | FG/F6ARC | 1 | 0.04 % | | 1 | 0.03 % | | | 22 | C C D / C C D C | IH9/OL3R | 1 | 0.04 % | | 1 | 0.03 % | | | 23 | C D C C / C | K2VV/M | 1 | 0.04 % | | 1 | 0.03 % | | | 24 | C D C C C / C | M1EYP/P | 1 | 0.04 % | | 1 | 0.03 % | | | 25 | C C D C / D | NE8O/4 | 1 | 0.04 % | | 1 | 0.03 % | | | 26 | C C D C / C D | NH6T/W4 | 1 | 0.04 % | | 1 | 0.03 % | | | 27 | C C D D C | OG60F | 1 | 0.04 % | | 5 | 0.13 % | | | 28 | C C D / C D C C | PJ7/K0CD | 1 | 0.04 % | | 1 | 0.03 % | | | 29 | C C D C C C / C C C | IK3TZB/QRP | 1 | 0.04 % | | 1 | 0.03 % | | | 30 | C C D D D C C | CR140AA | 1 | 0.04 % | | 1 | 0.03 % | | | 31 | C C D D D C C C | SO100ZHP | 1 | 0.04 % | | 1 | 0.03 % | | | 32 | C C D C C C / C | UA0SBQ/P | 1 | 0.04 % | | 1 | 0.03 % | | | 33 | C C D C / C C D C | VP2V/WJ2O | 1 | 0.04 % | | 2 | 0.05 % | | | 34 | C C D C C / C C C | YU1LM/QRP | 1 | 0.04 % | | 1 | 0.03 % | | | 35 | C C / C C D C C | ZA/LZ1MS | 1 | 0.04 % | | 1 | 0.03 % | | | 36 | C C / C C D C | ZA/OU2I | 1 | 0.04 % | | 1 | 0.03 % | |
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