| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C | AA3R | 202 | 38.62 % | | 265 | 41.34 % | | | 2 | C C D C C | AA1ON | 127 | 24.28 % | | 147 | 22.93 % | | | 3 | C C D C C C | CT2HKN | 83 | 15.87 % | | 89 | 13.88 % | | | 4 | C D C C | E7CW | 25 | 4.78 % | | 32 | 4.99 % | | | 5 | C D C C C | F4EYQ | 23 | 4.40 % | | 25 | 3.90 % | | | 6 | C D D C | A44A | 21 | 4.02 % | | 33 | 5.15 % | | | 7 | C D D C C | E77EA | 8 | 1.53 % | | 9 | 1.40 % | | | 8 | C D C | C4W | 7 | 1.34 % | | 10 | 1.56 % | | | 9 | D C D C | 4L2M | 7 | 1.34 % | | 8 | 1.25 % | | | 10 | C C D D C | HB90G | 4 | 0.76 % | | 4 | 0.62 % | | | 11 | D C D C C | 3V8SS | 3 | 0.57 % | | 5 | 0.78 % | | | 12 | C C D D C C C | ER30ARM | 2 | 0.38 % | | 2 | 0.31 % | | | 13 | C D D D C C C | S570CST | 2 | 0.38 % | | 2 | 0.31 % | | | 14 | D C D D C | 9A44A | 1 | 0.19 % | | 2 | 0.31 % | | | 15 | D C D D D C | 9A100V | 1 | 0.19 % | | 1 | 0.16 % | | | 16 | C C D D D C C | DR100PE | 1 | 0.19 % | | 1 | 0.16 % | | | 17 | D C D C C C | 9A5AFF | 1 | 0.19 % | | 1 | 0.16 % | | | 18 | C C D C C C / D | KB1EFS/2 | 1 | 0.19 % | | 1 | 0.16 % | | | 19 | C D C C C / C | M0PLX/M | 1 | 0.19 % | | 1 | 0.16 % | | | 20 | C C / C C D C C | OE/YT7BA | 1 | 0.19 % | | 1 | 0.16 % | | | 21 | C D / C C D C | S5/AI5P | 1 | 0.19 % | | 1 | 0.16 % | | | 22 | C C D D C C C C C | HG24TISZA | 1 | 0.19 % | | 1 | 0.16 % | |
|