Table 2 Terrain type parameters.
From: Minimizing Detection Probability Routing in Ad Hoc Networks Using Directional Antennas
| Terrain type |
Distance to horizon ( )
|
Range of 
|
|---|---|---|
| Rural-open | 1000 | 2 to 2.5 |
| Rural-trees | 300 | 2 to 4.0 |
| Suburban | 200 | 2 to 5.0 |
| Urban | 100 | 2 to 6.0 |