| Callsign structure # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
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1 | C C D C C | AA0AW | 1125 | 29.87 % | | 1990 | 30.51 % | | 2 | C C D C C C | BD7LNI | 877 | 23.29 % | | 1451 | 22.25 % | | 3 | C C D C | AA1K | 768 | 20.39 % | | 1490 | 22.85 % | | 4 | C D C C | D1AZ | 355 | 9.43 % | | 539 | 8.26 % | | 5 | C D C C C | F1TRE | 339 | 9.00 % | | 485 | 7.44 % | | 6 | C D D C | E70T | 61 | 1.62 % | | 127 | 1.95 % | | 7 | D C D C C | 3G3AA | 42 | 1.12 % | | 72 | 1.10 % | | 8 | C D D C C | A45WG | 40 | 1.06 % | | 74 | 1.13 % | | 9 | C D C | B1Z | 26 | 0.69 % | | 48 | 0.74 % | | 10 | D C D C | 4J5A | 25 | 0.66 % | | 45 | 0.69 % | | 11 | D C D C C C | 2E0CHN | 9 | 0.24 % | | 17 | 0.26 % | | 12 | C D D C C C | E21YDP | 8 | 0.21 % | | 14 | 0.21 % | | 13 | C C D C C C / C | DL4HCF/P | 7 | 0.19 % | | 17 | 0.26 % | | 14 | C C D D C | OF10A | 7 | 0.19 % | | 13 | 0.20 % | | 15 | C C D D C C | HB80BS | 7 | 0.19 % | | 13 | 0.20 % | | 16 | C C D D C C C | DL40MFR | 5 | 0.13 % | | 12 | 0.18 % | | 17 | C C D C C / C | DJ0LJ/M | 5 | 0.13 % | | 5 | 0.08 % | | 18 | C C / C C D C C | OZ/DJ5LA | 3 | 0.08 % | | 8 | 0.12 % | | 19 | C C D / C C D C C | EA5/DK5IM | 3 | 0.08 % | | 5 | 0.08 % | | 20 | C C / C C D C | LA/LY5G | 3 | 0.08 % | | 10 | 0.15 % | | 21 | C C D C C / D | RL9AA/6 | 3 | 0.08 % | | 4 | 0.06 % | | 22 | C C D C C C / D | JA4XHF/3 | 3 | 0.08 % | | 4 | 0.06 % | | 23 | C D C C C / C | F5VHE/P | 3 | 0.08 % | | 3 | 0.05 % | | 24 | C C D D D C | PA125V | 3 | 0.08 % | | 9 | 0.14 % | | 25 | C C D C / C C C | RA9Y/QRP | 2 | 0.05 % | | 2 | 0.03 % | | 26 | C C D C C C / C C C | OZ1DGQ/QRP | 2 | 0.05 % | | 2 | 0.03 % | | 27 | C / C C D C C | F/OM2ZA | 2 | 0.05 % | | 2 | 0.03 % | | 28 | C C D C C C C | DF0WRTC | 2 | 0.05 % | | 8 | 0.12 % | | 29 | C C D / C D C C | CT9/R7KW | 2 | 0.05 % | | 8 | 0.12 % | | 30 | D C D / C C D C C C | 5B9/OE3VEA | 2 | 0.05 % | | 2 | 0.03 % | | 31 | C C D / C D C C C | CT7/F6HBR | 2 | 0.05 % | | 4 | 0.06 % | | 32 | C / C D C C C | F/G4BJM | 1 | 0.03 % | | 5 | 0.08 % | | 33 | D C D C C / C C C | 9A4DC/QRP | 1 | 0.03 % | | 1 | 0.02 % | | 34 | C C / C D C C | EI/W5GN | 1 | 0.03 % | | 4 | 0.06 % | | 35 | C C D / C C D C | HR9/AD8J | 1 | 0.03 % | | 1 | 0.02 % | | 36 | C C D C / C C D | AD8J/HR9 | 1 | 0.03 % | | 1 | 0.02 % | | 37 | D C / C D D C C | 9A/E77DX | 1 | 0.03 % | | 1 | 0.02 % | | 38 | C C D C / D | NW3Y/1 | 1 | 0.03 % | | 1 | 0.02 % | | 39 | C C D D D C C / D | OF100FI/3 | 1 | 0.03 % | | 3 | 0.05 % | | 40 | C C D C C / C C D | KH6ND/NZ7 | 1 | 0.03 % | | 1 | 0.02 % | | 41 | C C D C C / C D | KP3SK/W4 | 1 | 0.03 % | | 2 | 0.03 % | | 42 | C D C C / C | F2YT/P | 1 | 0.03 % | | 1 | 0.02 % | | 43 | C D C C / D | N5AW/0 | 1 | 0.03 % | | 1 | 0.02 % | | 44 | C C D D D C C C | PA150LIM | 1 | 0.03 % | | 1 | 0.02 % | | 45 | C D D D D C | R1606M | 1 | 0.03 % | | 1 | 0.02 % | | 46 | C D D D D C C | R2017CC | 1 | 0.03 % | | 1 | 0.02 % | | 47 | C C D D D C C | DL500ML | 1 | 0.03 % | | 3 | 0.05 % | | 48 | C C D D D D C | DM1517L | 1 | 0.03 % | | 3 | 0.05 % | | 49 | C D D D D C C C C C | S5100LIONS | 1 | 0.03 % | | 1 | 0.02 % | | 50 | C C / C C D C C C | SP/LZ1ABC | 1 | 0.03 % | | 1 | 0.02 % | | 51 | C C D / C C D C C / C | SV2/SV1RP/A | 1 | 0.03 % | | 1 | 0.02 % | | 52 | C C D C D C | VC3C2C | 1 | 0.03 % | | 1 | 0.02 % | | 53 | C C D D D D C C C | XM1150CAN | 1 | 0.03 % | | 1 | 0.02 % | | 54 | C C D C C / C C | YL3IZ/MM | 1 | 0.03 % | | 1 | 0.02 % | | 55 | C C D C C / C C C | YU1LM/QRP | 1 | 0.03 % | | 1 | 0.02 % | | 56 | C D D D C C | Z310ID | 1 | 0.03 % | | 1 | 0.02 % | |
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