| for direction finding | 3 | purpose |
| radio → be → required | 11 |
| radio → be → necessary | 9 |
| radio → be → need | 6 |
| radio → be → must | 5 |
| radio → be → necessity | 3 |
| negative | neutral | positive |
| 0.150 | 0.628 | 0.222 |
| Raw frequency | 34 |
| Normalized frequency | 0.573 |
| Modifier score | 0.333 |
| Perplexity | 314.672 |