| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| ionosonde signal to noise | 1.29 | 0.4 | 2965 | 4 | 25 |
| ionosonde | 0.94 | 0.5 | 8648 | 87 | 9 |
| signal | 1.4 | 0.2 | 3449 | 66 | 6 |
| to | 0.97 | 0.5 | 4076 | 62 | 2 |
| noise | 1.97 | 0.1 | 8107 | 43 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| ionosonde signal to noise | 0.09 | 0.3 | 4338 | 30 |
