| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | BA3TT | 255 | 32.32 % | | 454 | 32.64 % | | | 2 | C C D C C C | CR7AJL | 209 | 26.49 % | | 329 | 23.65 % | | | 3 | C C D C | AB4B | 118 | 14.96 % | | 256 | 18.40 % | | | 4 | C D C C | F3WT | 97 | 12.29 % | | 173 | 12.44 % | | | 5 | C D C C C | F4WAX | 63 | 7.98 % | | 91 | 6.54 % | | | 6 | C D D C C | E73SD | 10 | 1.27 % | | 19 | 1.37 % | | | 7 | D C D C C | 4J6RO | 7 | 0.89 % | | 16 | 1.15 % | | | 8 | C D D C | S50A | 7 | 0.89 % | | 10 | 0.72 % | | | 9 | D C D C C C | 7K4VPV | 4 | 0.51 % | | 8 | 0.58 % | | | 10 | D C D C | 4K9W | 4 | 0.51 % | | 13 | 0.93 % | | | 11 | C C D D C C | PA44AH | 2 | 0.25 % | | 2 | 0.14 % | | | 12 | C C D / C C D C C | HB0/DL5YM | 2 | 0.25 % | | 3 | 0.22 % | | | 13 | C D C | C4Z | 1 | 0.13 % | | 4 | 0.29 % | | | 14 | C C / C C D C C | HB/RN3QO | 1 | 0.13 % | | 1 | 0.07 % | | | 15 | C D / C D D C | I0/S53R | 1 | 0.13 % | | 1 | 0.07 % | | | 16 | C C D D C C C C | LZ14IARU | 1 | 0.13 % | | 1 | 0.07 % | | | 17 | C C D C C / D | LZ1QN/1 | 1 | 0.13 % | | 2 | 0.14 % | | | 18 | C D C C / D | N1TO/3 | 1 | 0.13 % | | 2 | 0.14 % | | | 19 | C C D / C C D C C C | CT9/SM5ALJ | 1 | 0.13 % | | 1 | 0.07 % | | | 20 | C C D C C / C | DL1CJ/P | 1 | 0.13 % | | 1 | 0.07 % | | | 21 | C C D D C C C | SP55DXC | 1 | 0.13 % | | 1 | 0.07 % | | | 22 | C C D C C / C C C | US7WW/QRP | 1 | 0.13 % | | 1 | 0.07 % | | | 23 | C C / C D D C | ZA/S56A | 1 | 0.13 % | | 2 | 0.14 % | |
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