| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | CN8KD | 326 | 33.78 % | | 383 | 31.65 % | | | 2 | C C D C | AC1U | 269 | 27.88 % | | 376 | 31.07 % | | | 3 | C C D C C C | CT1DRB | 177 | 18.34 % | | 213 | 17.60 % | | | 4 | C D C C | F2AR | 50 | 5.18 % | | 59 | 4.88 % | | | 5 | C D C C C | D1DNR | 43 | 4.46 % | | 47 | 3.88 % | | | 6 | C D D C | E70T | 27 | 2.80 % | | 41 | 3.39 % | | | 7 | D C D C C | 3V8SS | 18 | 1.87 % | | 18 | 1.49 % | | | 8 | C D D C C | E72MD | 15 | 1.55 % | | 17 | 1.40 % | | | 9 | D C D C | 4L2M | 6 | 0.62 % | | 12 | 0.99 % | | | 10 | C D C | D1M | 6 | 0.62 % | | 7 | 0.58 % | | | 11 | C C D D C C | HG35XA | 3 | 0.31 % | | 4 | 0.33 % | | | 12 | D C D C C C | 2E0NCN | 3 | 0.31 % | | 3 | 0.25 % | | | 13 | C D D C C C | E73ESP | 3 | 0.31 % | | 3 | 0.25 % | | | 14 | C C D D C | OG73X | 2 | 0.21 % | | 2 | 0.17 % | | | 15 | C C D D C C C | DL40MFR | 2 | 0.21 % | | 2 | 0.17 % | | | 16 | C C D / C D C C | CT9/R7KW | 2 | 0.21 % | | 4 | 0.33 % | | | 17 | C C D C C C C | DF0WRTC | 1 | 0.10 % | | 3 | 0.25 % | | | 18 | C / C D C C C | F/G4BJM | 1 | 0.10 % | | 1 | 0.08 % | | | 19 | D C D C C / C C C | 9A4DC/QRP | 1 | 0.10 % | | 1 | 0.08 % | | | 20 | C C D / C C D C C | EA5/DK5IM | 1 | 0.10 % | | 2 | 0.17 % | | | 21 | C D C C C / C | F5VHE/P | 1 | 0.10 % | | 1 | 0.08 % | | | 22 | C / C C D C C | F/SQ6MS | 1 | 0.10 % | | 1 | 0.08 % | | | 23 | C C D D D D C | DM1517L | 1 | 0.10 % | | 1 | 0.08 % | | | 24 | C C / C C D C C | OZ/DJ5LA | 1 | 0.10 % | | 2 | 0.17 % | | | 25 | C C D C C / C | OZ7BQ/P | 1 | 0.10 % | | 1 | 0.08 % | | | 26 | C D D D D C | R1606M | 1 | 0.10 % | | 1 | 0.08 % | | | 27 | C D D D D C C | R2017CC | 1 | 0.10 % | | 1 | 0.08 % | | | 28 | C C D C C / D | RA3BQ/3 | 1 | 0.10 % | | 1 | 0.08 % | | | 29 | C C / C C D C | ZA/OG1N | 1 | 0.10 % | | 3 | 0.25 % | |
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