| Callsign structure # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
---|
1 | C C D C C C | RK4NAB | 4 | 33.33 % | | 26 | 32.91 % | | 2 | C C D C C | RK4NB | 3 | 25.00 % | | 23 | 29.11 % | | 3 | C D C C C | R4NAU | 3 | 25.00 % | | 15 | 18.99 % | | 4 | C D C C | R4OF | 1 | 8.33 % | | 8 | 10.13 % | | 5 | C C D C | RT4O | 1 | 8.33 % | | 7 | 8.86 % | |
|