| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| sudden ionospheric disturbance data | 1.33 | 0.7 | 529 | 33 | 35 |
| sudden | 1.54 | 0.1 | 6141 | 8 | 6 |
| ionospheric | 1.01 | 1 | 9523 | 25 | 11 |
| disturbance | 0.37 | 0.2 | 4061 | 14 | 11 |
| data | 0.5 | 0.3 | 9043 | 56 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| sudden ionospheric disturbance data | 0.01 | 0.4 | 5536 | 92 |
| sudden ionospheric disturbance transmitter | 0.66 | 0.8 | 4165 | 12 |
| sudden ionospheric disturbance sid | 0.17 | 0.4 | 6561 | 21 |
| characterization of ionospheric disturbances | 1.18 | 0.8 | 4049 | 15 |
| ionospheric magnetic field disturbances | 1.1 | 0.6 | 8429 | 94 |
| ionospheric detection of natural hazards | 0.94 | 0.5 | 1399 | 58 |
| dissipation of currents in ionized media | 0.32 | 0.4 | 6047 | 4 |
