| Typicality: | 0.552 |
| Saliency: | 0.556 |
| radio wave → pass through → the ionosphere | 6 |
| radio wave → be reflected by → the ionosphere | 4 |
| radio wave → bounce off → the ionosphere | 3 |
| radio wave → reach → the ionosphere | 3 |
| negative | neutral | positive |
| 0.089 | 0.805 | 0.106 |
| Raw frequency | 16 |
| Normalized frequency | 0.556 |
| Modifier score | 0.700 |
| Perplexity | 31.359 |