| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| ionosonde station list | 1.63 | 0.4 | 6743 | 63 | 22 |
| ionosonde | 0.87 | 0.7 | 4136 | 26 | 9 |
| station | 1.59 | 0.6 | 6305 | 42 | 7 |
| list | 1.99 | 0.7 | 8966 | 24 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| ionosonde station list | 1.33 | 1 | 6506 | 9 |
| ionosonde stations | 0.44 | 0.3 | 9196 | 52 |
